{"title":"Pentair Challenger Pump Parts","description":"\u003cp\u003eParts for Pentair Challenger High Flow and High Pressure pumps: an impeller for each full and up rated size of both, diffusers and the spacer behind them, the shaft seal, seal plate, front housing, strainer pot and lid, plastic and stainless baskets, band clamps, drain plugs, and the o-rings that seal it.\u003c\/p\u003e\u003cp\u003eFive of the High Flow impellers are the SuperFlo's too, so they also appear on \u003ca href=\"\/collections\/pentair-superflo-parts\"\u003eSuperFlo pump parts\u003c\/a\u003e. The \u003ca href=\"\/collections\/pentair-whisperflo-parts\"\u003eWhisperFlo\u003c\/a\u003e and \u003ca href=\"\/collections\/pentair-intelliflo-parts\"\u003eIntelliFlo\u003c\/a\u003e have pages of their own. Every brand is on \u003ca href=\"\/collections\/pool-pump-parts\"\u003epump parts and motors\u003c\/a\u003e, motors are on \u003ca href=\"\/collections\/pump-motors\"\u003epool pump motors\u003c\/a\u003e, and whole pumps are on \u003ca href=\"\/collections\/pentair-pool-pumps\"\u003ePentair pool pumps\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eTwo Pool School guides go with these parts. After a new lid O-ring, basket or shaft seal, \u003ca href=\"\/pages\/how-to-prime-a-pool-pump#how-long\"\u003ehow to prime a pool pump\u003c\/a\u003e gets the Challenger running again, with each manufacturer's time limit. And before ordering a motor for the Challenger, \u003ca href=\"\/pages\/replace-pool-pump-motor-or-whole-pump#is-it-the-motor\"\u003emotor or whole pump\u003c\/a\u003e has the tests that tell a failed motor from a jammed impeller.\u003c\/p\u003e","products":[{"product_id":"challenger-front-housing","title":"Pentair Challenger Front Housing, Slip Suction, Black, 355468Z","description":"\u003cp\u003eThe Pentair 355468Z is the genuine front housing for PacFab Challenger High Flow and High Pressure pool pumps, in black with a slip suction connection. If the housing on your Challenger is cracked, warped from heat or leaking at the clamp, this is the factory replacement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow it fits\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe housing slides over the diffuser and impeller and is held to the seal plate by the large band clamp. Its other end connects to the strainer pot. The discharge port accepts a standard 2 in. threaded male PVC fitting, so the existing plumbing connection is reused.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eConfirm your pump is a Challenger High Flow or High Pressure model and that it uses the slip suction housing. While the pump is apart it is worth checking the housing o-ring and the shaft seal, which are separate parts.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48624920035540,"sku":"PAC-101-1459","price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_84ccc831-b0d7-40b6-99b7-843b8c7991d7.jpg?v=1788653472"},{"product_id":"challenger-pump-strainer-pot","title":"Pentair Challenger Pump Strainer Pot, 355300","description":"\u003cp\u003eThe Pentair 355300 is the strainer pot, the front housing, for Challenger high head and high flow pool pumps. It is the genuine Pentair part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy replace it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe strainer pot takes the brunt of sun, chemicals and the occasional dropped lid. A crack or a warped sealing surface lets air into the suction side, which shows up as bubbles in the pot, a pump that loses prime or a noisy motor. Replacing the pot puts a fresh sealing surface under the lid and o-ring.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe housing only. The strainer lid and the 5-3\/4 in. ID lid o-ring are separate parts, and it is worth ordering a new o-ring with the pot if the old one has flattened.\u003c\/p\u003e\u003cp\u003eFour photos show the pot from several angles so you can compare it with the housing on your pump before ordering.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48624928293076,"sku":"PAC-101-3123","price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_75bd93b6-3332-4b0d-8e47-38c63d033c29.png?v=1788654858"},{"product_id":"pentair-355026s-almond-2-hp-single-phase-single-speed-square-flange-motor-replacement-pool-and-spa-pump","title":"Pentair 2 HP Single Phase Single Speed Square Flange Replacement Motor, 208\/230V, 355026S","description":"\u003cp\u003eThe Pentair 355026S is a 2 HP, single speed, single phase square flange motor in almond, the factory replacement for Pentair pool and spa pumps that use a square flange seal plate, including the Challenger. It runs on 208 to 230V at 60 Hz and is a standard efficiency motor.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA square flange motor bolts through the seal plate with four bolts. Match the horsepower and flange style of the motor coming off, and fit a new mechanical shaft seal during the swap. A used seal will not reseat cleanly on a new shaft.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCalifornia\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis motor does not meet the California Energy Commission Title 20 standards for pool pumps and replacement motors, so it cannot be shipped to, sold in or installed in California. For that state a CEC compliant variable speed motor such as the Century V-Green Evo ECM27SQU is the correct choice.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48624934912212,"sku":"PAC-101-5297","price":466.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/355026S_pentair_motor2hp.jpg?v=1788655225"},{"product_id":"lid-o-ring-5-3-4-id","title":"Pentair Lid O-Ring, 5-3\/4\" ID, 350013Z","description":"\u003cp\u003eThe Pentair 350013Z is the strainer lid o-ring for the Challenger, the newer style WhisperFlo, the IntelliFlo and select EQ Series commercial pumps. It measures 5-3\/4 in. across the inside with a 1\/4 in. cord, and it is the genuine Pentair part rather than a generic ring cut to a nearby size.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy it matters\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe lid o-ring is the only thing keeping air out at the top of the strainer pot. When it hardens, flattens or splits, the pump pulls air past the lid, the basket fills with bubbles and the pump loses prime or runs noisy. It is one of the cheapest parts on the pad and one of the most common causes of a pump that will not hold water.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReplacing it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eTurn the pump off, open the lid, lift the old ring out of its groove and clean the groove. Coat the new ring lightly with a silicone based o-ring lubricant, seat it evenly and close the lid. If the pump still draws air afterward, look at the suction side unions and the drain plugs next.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48624938254548,"sku":"PAC-101-3148","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_6f36b69a-2215-4917-bba8-8ba02e504af9.png?v=1788655784"},{"product_id":"o-ring-square-8-5-closure","title":"Pentair Genuine OEM O-Ring, Square 8.5 in. Closure, 152509","description":"\u003cp\u003ePentair part 152509 is the square section o-ring for the 8.5 in. closure on Challenger high head and high flow pumps. It is the genuine Pentair part, and it also appears in the parts lists for several Triton side mount sand filters: the Triton II TR40, TR50, TR60, TR100 and TR140, the commercial TR100C and TR140C, and the Triton C-3.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy the profile matters\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe closure groove is cut for a square cross section. Fitting a round o-ring of roughly the right diameter tends to end in a lid that will not seal, air in the pump basket and a pump that struggles to hold prime. Replacing the o-ring with the correct square section part is the fix.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstalling it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eClean the groove, wipe a light film of silicone o-ring lubricant onto the new o-ring and seat it before closing the lid. Avoid petroleum based lubricants, which attack the rubber.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48624938942676,"sku":"PAC-051-9315","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_434ef2a7-0a3b-4d96-8d9f-c5ff7d36ee73.png?v=1788655892"},{"product_id":"go-kit-pac-fab-challenger-pump-rebuild-kit","title":"Aladdin Go-Kit 5 Pump Rebuild Kit for Pentair PacFab Challenger Pumps, GO-KIT5-9","description":"\u003cp\u003eThe Aladdin Go-Kit 5, part number GO-KIT5-9, is a rebuild kit for Pentair PacFab Challenger pumps. It gathers the seal and o-rings a Challenger reseal calls for into one pack: a shaft seal, a diffuser o-ring, a housing o-ring, a strainer o-ring and a lid o-ring.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy a kit\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA pump that has started to leak at the shaft has usually hardened its o-rings as well. Doing the shaft seal and all four o-rings together means the pump goes back together sealed everywhere, not just at the spot that was dripping.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFit\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMade for the Pentair PacFab Challenger, including the high head and high flow models. The kit covers the Pentair part numbers PS200, 355330, 355329 and 350013. It is an Aladdin Equipment Co. aftermarket kit, not a Pentair branded part.\u003c\/p\u003e","brand":"Aladdin","offers":[{"title":"Default Title","offer_id":48624997892308,"sku":"SPG-601-5005","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/go-kit5-9.gif?v=1788661772"},{"product_id":"front-housing-o-ring","title":"Pentair Challenger Front Housing O-Ring, 355329Z","description":"\u003cp\u003eThe Pentair 355329Z is the front housing o-ring for Challenger pool pumps, both the high flow and high head models. It is the genuine Pentair part and is also listed as 355329.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSquare, not round\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis ring has a square cross section. The groove in the Challenger front housing is cut for that profile, so a round ring of similar diameter will not seat or seal the same way. Order the correct part rather than substituting from a generic assortment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to replace it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe housing o-ring seals the front housing to the seal plate. As it ages it flattens and hardens, the seam starts to drip, and the pump can pull air on the suction side. It is a standard item in a Challenger rebuild alongside the lid o-ring and shaft seal. A light coat of silicone o-ring lubricant on installation helps it seat and lengthens its life.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48625006870740,"sku":"PAC-101-3133","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_d75a6566-9f25-406b-97be-3ca95547ba6d.png?v=1788662093"},{"product_id":"challenger-seal-plate-high-pressure","title":"Pentair Challenger Seal Plate, High Pressure, 355004Z","description":"\u003cp\u003eThe Pentair 355004Z is the black seal plate for the Challenger High Flow and High Pressure pumps and for the WaterFall specialty pool and spa pumps, models AFP-75 and AFP-120. It is the genuine Pentair part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the seal plate does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe seal plate sits between the motor and the wet end. It carries the stationary half of the shaft seal, locates the diffuser, and closes the back of the pump housing. A plate that has cracked, warped or had its seal seat scored will leak no matter how many shaft seals you put in it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eConfirm your pump is a Challenger High Flow or High Pressure, or a WaterFall AFP-75 or AFP-120. Have a new shaft seal on hand, and replace the housing o-rings while the pump is apart; the Challenger rebuild kit covers them.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48625021026516,"sku":"PAC-101-3129","price":97.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_5f433002-1c09-4ea0-92de-59757d585e72.jpg?v=1788662384"},{"product_id":"impeller-1-1-2hp-full-rated-2hp-up-rated-high-pressure","title":"Pentair Challenger Impeller, 1-1\/2 HP Full Rated \/ 2 HP Up Rated, High Pressure, 355315Z","description":"\u003cp\u003eThe Pentair 355315Z is the impeller for the Challenger high pressure pump in the 1-1\/2 HP full rated and 2 HP up rated sizes. It is the genuine Pentair part, also listed as 35-5315.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMatch the pump first\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eChallenger impellers are horsepower specific and are also split between the high pressure and high flow builds. Read the motor label and the model on the pump before ordering, because an impeller from the wrong rating will bolt on and then perform nothing like the pump was designed to.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat a worn impeller looks like\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eWeak return jets, a filter pressure gauge sitting lower than usual and a pump that sounds normal while moving very little water. Pull the impeller and look at the vanes: erosion, cracks or debris packed into the eye all cost flow.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhile you are in there\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe mechanical seal is directly behind the impeller, so replacing it during the same teardown saves opening the pump twice. The impeller locking screw is a separate part and is worth renewing rather than reusing.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48625710432468,"sku":"PAC-101-3128","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_a0d5e4cb-b903-4668-8d40-adc5ab2e8314.gif?v=1788688874"},{"product_id":"o-ring-diffuser","title":"Pentair Genuine OEM High Flow Diffuser O-Ring, 355030","description":"\u003cp\u003eThe Pentair 355030 is the high flow diffuser o-ring, a square profile ring measuring 3-1\/8 in. outside diameter by 2-3\/4 in. inside diameter. It is the genuine Pentair part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSquare, not round\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe groove in these pumps is cut for a square cross section. A round o-ring of similar diameter will sit proud, roll under load, and never seal properly, so it is worth ordering the correct part rather than substituting from a drawer of assorted rings.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich pumps\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePentair Pinnacle High Flow in-ground pumps, SuperFlo, Challenger High Flow and the Sta-Rite SuperMax.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe diffuser sits over the impeller and turns velocity into pressure. This ring seals it to the housing so all the flow is forced through the impeller eye. When it hardens and flattens, water bypasses the impeller, and the pump loses head while the motor sounds exactly as it always has.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitting\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eClean the groove, fit the new ring dry into a clean seat, and give it a thin film of silicone o-ring lubricant so it stays put as the pump goes back together.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48625722491092,"sku":"PAC-101-3107","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_e560ccec-0868-429d-ab16-13b9e377ee29.png?v=1788690028"},{"product_id":"strainer-pot-lid","title":"Pentair Genuine OEM Challenger Strainer Pot Lid, 355301Z","description":"\u003cp\u003eThe Pentair 355301Z is the genuine strainer pot lid for the Challenger and Pinnacle pumps, and for the AFP-75, AFP-120 and AFP-150 WaterFall Specialty pumps. It is the factory part, not a generic lid.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy lids get replaced\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe strainer pot lid takes sun, heat and repeated tightening. Over time it crazes, cracks or warps enough that it stops sealing. The result is usually an air leak: the pump struggles to prime, or holds prime for a while and then loses it. Since the lid is also what lets you see the basket, a clouded or damaged one hides how full the pot has become.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder the seal with it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe lid o-ring is a separate part. If the old o-ring is flat, hard or split, replace it at the same time. A new lid on a tired seal will still pull air.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48625744117972,"sku":"PAC-101-3124","price":65.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_e6d4dbdd-2cf2-4064-b3af-feb632761736.jpg?v=1788690701"},{"product_id":"band-clamp-assembly-complete","title":"Pentair Challenger Band Clamp Assembly, 355320Z","description":"\u003cp\u003eThe Pentair 355320Z is the complete band clamp assembly for the Challenger high flow and high pressure inground pumps and the WaterFall Specialty pump. It is the genuine Pentair part, supplied whole.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it holds\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe band clamp pulls the front housing against the seal plate and holds that joint tight. Everything sealing at that face depends on the clamp being able to draw down evenly, which is why a distorted band or seized hardware turns into a persistent leak that no amount of tightening fixes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to change it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBand clamps live outdoors, wet, and often on a pad that gets splashed with chemicals. Corroded bolts and rusted bands are a normal find once a Challenger is opened for service. If the old clamp will not torque evenly or the hardware is fighting you, replace the assembly while the pump is already apart.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48625744281812,"sku":"PAC-101-3202","price":80.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_16f81be2-a951-4566-abc3-2cd601685ca2.png?v=1788690722"},{"product_id":"shaft-seal-5-8","title":"Pentair Mechanical Shaft Seal, 5\/8\", 354545S","description":"\u003cp\u003eThe Pentair 354545S is a Type 6 mechanical shaft seal set for a 5\/8 inch motor shaft. It is the genuine Pentair part, listed for the Challenger high flow and high pressure inground pumps and for the WaterFall specialty pump, and also listed for Pinnacle, SuperFlo, SuperMax, OptiFlo and Dynamo models.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the seal does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe shaft seal is the barrier between wet end and motor. Two lapped faces run against each other, one spinning with the shaft and one held still in the seal plate, and the film of water between them is all that separates pool water from the motor bearings. When that pair wears, the first sign is a drip under the motor end of the pump, and the last sign is a seized motor.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMaterials and construction\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePentair specifies Buna and graphitic plastic for this seal. It cross references to the US Seal PS-200, so a shop quoting a PS-200 is quoting the same seal.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReplace both halves\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is sold as a set for a reason. The two faces wear into each other, and fitting a new rotating half against an old ceramic seat will weep almost immediately. Change the pair, keep the faces clean and dry going in, and lubricate only the elastomer, never the lapped faces.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48625748410580,"sku":"PAC-101-4545","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_1287f3e8-0ca7-442f-9c38-36e6e6d1836e.jpg?v=1788691532"},{"product_id":"o-ring-2-3-8-id","title":"Pentair Challenger Strainer Pot Flange O-Ring, 355330","description":"\u003cp\u003eThe Pentair 355330 is the strainer pot flange o-ring, also carried as O-301. It measures 2-3\/8 inches inside diameter with a 1\/8 inch cross section.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere it goes\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePentair uses this seal across a number of products: Tagelus sand filters, the Challenger High Flow and High Pressure pumps, the WaterFall pump and Admiral skimmers. On a pump it sits at the strainer pot flange, which is the joint the suction side depends on to stay airtight.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe symptom it fixes\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA pump that will not hold prime, or that weeps at the housing, very often has a flattened, cracked or hardened flange o-ring. It is the cheapest thing on the pad to replace and the first one worth ruling out. Give the new seal a coat of pool rated o-ring lubricant before the housing goes back together.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48625749491924,"sku":"PAC-101-3134","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_e1c08472-fe8f-4b53-9749-3953742ae3e2.jpg?v=1788691712"},{"product_id":"diffuser-2hp-full-rated-3hp-up-rated-high-pressure","title":"Pentair Diffuser, 2 HP Full Rated \/ 3 HP Up Rated, High Pressure, 355545Z","description":"\u003cp\u003eThe Pentair 355545Z is the high pressure diffuser for Challenger pumps rated 2 HP full rated through 3 HP up rated, and for the AF-75 and AFP-75 Waterfall models. Pentair carries the part under both 355545 and 355545Z.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the diffuser does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe diffuser sits directly in front of the impeller and shapes the water leaving it, converting velocity into pressure and holding the running clearance the impeller was designed around. When it wears, cracks or loses its sealing face, the pump keeps turning but delivers less pressure and less flow, and the loss is often blamed on the motor or a clogged line.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGetting the right one\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePentair splits these pumps into high pressure and high flow versions, and each takes its own diffuser. Confirm the series along with the horsepower rating on the pump label before ordering, because a diffuser from the wrong series will not perform correctly even where it appears to fit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe pre-1992 note\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePentair calls out one exception worth knowing. On pumps 2F and 2-1\/2 A built prior to 10-1-92, the diffuser and the impeller must be replaced together as a pair. If your pump falls into that group, order both parts in one go rather than making two trips into the wet end.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48625785766100,"sku":"PAC-101-3145","price":57.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_07932783-e73f-4ca8-84dc-1070d8397393.gif?v=1788692422"},{"product_id":"impeller-locking-screw","title":"Pentair Impeller Locking Screw, 355389","description":"\u003cp\u003eThe Pentair 355389 is the impeller locking screw for Pentair Challenger and SuperFlo pool pumps. It is left hand threaded, and it is the genuine Pentair part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLeft hand thread\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe screw is deliberately reverse threaded, so the impeller cannot unscrew itself as the motor spins. That also means it loosens clockwise. More than one of these has been rounded off by someone leaning hard on it the wrong way, so get the direction right before you put weight on the tool.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe screw locks the impeller onto the motor shaft. If it strips, backs out or is left out after a rebuild, the impeller can shift on the shaft, and the pump loses flow and starts making noise long before anyone thinks to look at a single small screw.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to replace it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAny time the impeller comes off, for a mechanical seal or for a rebuild, look at the screw before it goes back in. A screw with a damaged head or worn threads is not worth reusing.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48625843732692,"sku":"PAC-101-3141","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_82faede5-504d-4b14-9a9b-9967ed979405.png?v=1788701425"},{"product_id":"diffuser-1-1-2hp-full-rated-2-hp-up-rated-high-pressure","title":"Pentair Challenger Diffuser, 1-1\/2 HP Full Rated, 2 HP Up Rated, High Pressure, 355270Z","description":"\u003cp\u003eThe Pentair 355270Z is the diffuser for Challenger high pressure pumps rated 1-1\/2 HP full rated and 2 HP up rated. It is the genuine Pentair part, and it also appears in Pentair listings as 355270.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the diffuser does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe diffuser sits around the impeller and converts the velocity the impeller creates into pressure before the water leaves the volute. Its clearance to the impeller is what determines how much of the motor work actually reaches the plumbing, which is why the two parts are matched by horsepower and why a worn or cracked diffuser shows up as flow the pump should be making but is not.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMatching the part\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis one belongs on the high pressure, high head Challenger at 1-1\/2 HP full rated or 2 HP up rated. The impeller for that same rating is ordered separately, and on a rebuild it makes sense to fit both at once so the clearance between them is new.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48625849204948,"sku":"PAC-101-3122","price":38.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_8ac4d055-70b9-42b7-aee3-7d45d558a56a.gif?v=1788701593"},{"product_id":"impeller-2hp-full-rated-2-1-2hp-up-rated-high-pressure","title":"Pentair Challenger Impeller, 2HP Full Rated \/ 2-1\/2HP Up Rated, High Pressure, 355604Z","description":"\u003cp\u003eThe Pentair 355604Z is the impeller for the Challenger high pressure pump rated 2HP full rated, 2-1\/2HP up rated. It is the genuine Pentair part for models built after 10\/92.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMatch the impeller to the pump\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eChallenger impellers are not interchangeable across the range. The high pressure build uses its own impeller and its own diffuser, and horsepower changes the impeller again within that build. Read the model and the horsepower from the pump label, and confirm the date of manufacture is after October 1992, before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat a worn impeller costs you\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAn impeller wears slowly. Vanes erode, the clearances open up, and the pump quietly loses head and flow long before anything breaks. If the filter and both baskets are clean and the pump still will not make the flow it used to, pull the impeller and look at the vanes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhile the pump is apart\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe impeller threads onto the motor shaft, so changing it means opening the seal plate and exposing the mechanical seal. Fit a new seal at the same time rather than reusing the old one.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48626122883284,"sku":"PAC-101-1453","price":63.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_2a5918fa-ad6c-4a6b-81ee-fae941e3915d.gif?v=1788705154"},{"product_id":"impeller-1hp-full-rated-1-5hp-up-rated-high-flow","title":"Pentair Super Flo\/Max Impeller, 1 HP Full Rated \/ 1.5 HP Up Rated, High Flow, 355074Z","description":"\u003cp\u003eThe Pentair 355074Z is the genuine high flow impeller rated 1 HP full rated and 1.5 HP up rated. It covers a wide spread of Pentair and Sta-Rite pumps, which is why the same part number turns up in several parts diagrams.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePentair lists it for Challenger and Pinnacle High Flow pool and spa 1 hp full rated and 1-1\/2 hp inground pumps, and for SuperFlo and Sta-Rite SuperMax pool and spa 1-1\/2 hp pumps. On SuperFlo VS pumps it applies to units manufactured before 6\/17\/19, so read the date on the motor label rather than assuming.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMatch the flow rating\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is the high flow impeller. Pentair builds standard and high flow versions of the same nominal horsepower, and they are not interchangeable if you want the pump to perform the way the label says. Compare the part number on the impeller you are pulling out before you order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat a worn impeller looks like\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eVane edges rounded off, hairline cracks at the hub, or debris packed solid between the vanes. Any of those cut flow without making an obvious noise, so the usual complaint is a slow cleaner, weak returns and a filter gauge sitting lower than normal.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48626305761492,"sku":"PAC-101-3110","price":60.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_f59eacd4-8b70-40fb-8179-c77af1a173c1.png?v=1788707960"},{"product_id":"diffuser-3-4hp-full-rated-1-1-2hp-up-rated-high-pressure","title":"Pentair Challenger Diffuser, 3\/4 HP Full Rated to 1-1\/2 HP Up Rated, High Pressure, 355188","description":"\u003cp\u003eThe Pentair 355188 is the diffuser for Challenger high pressure pool pumps in the 3\/4 HP full rated through 1-1\/2 HP up rated range. It is the genuine Pentair part, the same one fitted at the factory.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the diffuser does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe diffuser sits over the impeller and turns the water the impeller throws outward into usable pressure on its way into the volute. It is a close tolerance fit, and when the opening around the impeller wears or the body cracks, water simply circles back inside the pump instead of going down the pipe. The symptom is a pump that runs and sounds normal while the returns weaken and filter pressure drops.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGetting the right one\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePentair builds the Challenger in high pressure and high flow versions and the diffusers are not interchangeable. This is the high pressure part. Check the horsepower and the build of your pump against the range above before ordering, and look at the impeller while you have the pump open, since the two wear as a pair. The hex head screw that retains the diffuser is a separate part if yours is stripped.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48626561188052,"sku":"PAC-101-3121","price":41.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_bb36fdc0-9dee-4907-b315-f2f3daf9925d.gif?v=1788712482"},{"product_id":"hex-head-screw-for-diffuser","title":"Pentair Hex Head Screw for Diffuser, 355334","description":"\u003cp\u003eThe Pentair 355334 is the hex head screw that holds the diffuser in place inside the pump. It is an 8-32 x 1\/2 inch hex washer head screw, supplied as the genuine Pentair part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe diffuser sits over the impeller and directs flow into the volute. It has to be clamped down square, and the wide washer face on this screw spreads the load across the plastic so the diffuser seats evenly instead of pulling into one point.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to replace it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePool pump hardware lives in a wet, chemical rich environment. Screws corrode, heads round off, and threads gall on removal. If you already have the pump open for a mechanical seal, an impeller or a diffuser, new screws cost very little and save a second trip to the equipment pad.\u003c\/p\u003e\u003cp\u003eIt fits Pentair Challenger high head and high flow models and the SuperFlo pump. Count the fasteners you are removing so you order the right quantity.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48626572493012,"sku":"PAC-101-3137","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_3f7e3e22-1a74-4dc9-8db9-4956064f48d4.png?v=1788712599"},{"product_id":"strainer-basket","title":"Pentair Genuine OEM Challenger Strainer Basket, 355318Z","description":"\u003cp\u003eThe Pentair 355318Z is the genuine OEM strainer basket for Challenger pumps, including the hi head and high flow models. It is a molded plastic basket measuring 5-3\/8 inches wide and 6-3\/4 inches tall.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the basket does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEverything the skimmer misses ends up here. The basket is the last thing standing between leaves, twigs and grit and the impeller, so a basket that has cracked, split or collapsed is not a cosmetic problem. Debris that gets past it lodges in the impeller and turns a five dollar part into a service call.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCheck the size\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePump baskets look similar across brands and models. Measure before ordering: this one is 5-3\/8 inches wide and 6-3\/4 inches tall, and it is the Pentair part for the Challenger strainer pot.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48626845024468,"sku":"PAC-101-1037","price":43.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_e0cc5f57-e64a-4a74-b8d0-256db998b407.jpg?v=1788715793"},{"product_id":"impeller-1-5hp-full-rated-2hp-up-rated-high-flow","title":"Pentair SuperFlo and SuperMax Impeller, 1.5 HP Full Rated \/ 2 HP Up Rated, High Flow, 355086Z","description":"\u003cp\u003eThe Pentair 355086Z is the high flow impeller used across several Pentair and Sta-Rite pump families. It is the genuine factory part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePentair lists it for Challenger and Pinnacle High Flow pool and spa inground pumps, model CFII-NI-2A, and for SuperFlo and Sta-Rite SuperMax pool and spa pumps at 1-1\/2 hp full rated or 2 hp up rated. One impeller carries two horsepower numbers because full rated and up rated pumps share hydraulics and differ in how they are labeled.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCheck the label\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe source data for this part is not consistent on the full rate figure: the product name and the fitment list say 1-1\/2 hp full rated, while older page copy says 1 hp full rated. Both agree on 2 hp up rated. Read the horsepower and the rating wording printed on your pump before you order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat a worn impeller looks like\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eWeak returns, a filter pressure gauge sitting lower than it used to, and a pump that primes but never quite makes flow. Vanes wear thin or break, and debris packs the passages. While the pump is open, the mechanical seal behind the impeller and the diffuser o-ring are the parts worth replacing at the same time.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48626975277268,"sku":"PAC-101-3113","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_1a80ab1e-d3b8-4112-a882-5483a8b00c7c.png?v=1788718649"},{"product_id":"front-housing-threaded-suction-waterfall","title":"Pentair Front Housing, Threaded Suction, Waterfall, 355302","description":"\u003cp\u003eThe Pentair 355302 is the front housing with threaded suction, the genuine OEM part listed under Pentair Challenger high head and high flow pump parts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the front housing does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe front housing is the front half of the wet end. It holds the strainer basket and carries the suction and discharge connections, so it takes the full pressure of the system and every knock at the equipment pad. Once it cracks or the port threads give up, the pump draws air, loses prime and can run dry, and no amount of new lid o-rings will fix it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is the threaded suction version, so check what your pump has at the suction port. The housing is supplied on its own; the strainer basket, the lid and the seals are separate Pentair parts, and a housing swap is a good moment to replace the ones that are already tired.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48627174408404,"sku":"PAC-101-3125","price":212.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_a1665124-bb06-4350-82ec-4096b6c60f9a.jpg?v=1788719881"},{"product_id":"challenger-base-pump","title":"Pentair Challenger Pump Base, 355305Z","description":"\u003cp\u003eThis is the Pentair 355305Z pump base, listed for the WaterFall, Challenger High Flow and Challenger Pressure pool pumps. It also appears under the number 355305.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the base does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe base is the piece the pump sits on and bolts down through. It sets the pump at the right height so the suction and discharge line up with the plumbing that was cut for them, and it holds everything square while the motor runs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to replace it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBases crack from vibration, from freeze damage and from being levered around during a motor change. Once one is broken the pump no longer sits level, and the load it should be carrying goes into the unions and the pipe. A new base is a small part next to the leak that follows.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48627624542420,"sku":"PAC-101-3127","price":52.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_fd5f8c0b-0d00-4901-ac0c-a8d2da1e1b2e.png?v=1788725514"},{"product_id":"mounting-plate-gasket-3-4hp-3hp-high-pressure","title":"Pentair Mounting Plate Gasket, 3\/4 HP to 3 HP, High Pressure, 355317","description":"\u003cp\u003eThe Pentair 355317 is the mounting plate gasket for high pressure pool pumps in the 3\/4 HP to 3 HP full rated range, which is the same as 1 HP to 2.5 HP up rated. It is the genuine Pentair part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere it sits\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe mounting plate is the wall between the motor and the wet end. This gasket seals that joint. When it hardens, cracks or takes a permanent set, the pump weeps at the seam and can lose prime, and no amount of tightening brings the seal back.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCheck that your pump is a high pressure model and confirm the horsepower on the motor label against the ranges above. Read both the full rated and up rated figures, since the same motor is often described either way.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48627631522004,"sku":"PAC-101-3130","price":20.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_5f130ffd-2d0a-4463-be38-369be3dbbef7.gif?v=1788725596"},{"product_id":"impeller-2hp-full-rated-2-1-2hp-up-rated-high-flow","title":"Pentair Impeller, 2 HP Full Rated \/ 2-1\/2 HP Up Rated, High Flow, 355093Z","description":"\u003cp\u003eThe Pentair 355093Z is the high flow impeller for 2 HP full rated and 2-1\/2 HP up rated pumps in the SuperFlo, SuperMax and Challenger High Flow families. It is the genuine Pentair part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFull rated or up rated\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThose two labels describe the motor rating, not the wet end. A 2 HP full rated pump and a 2-1\/2 HP up rated pump move the same water and share this impeller. What does matter is high flow versus standard: this is the high flow part, so confirm your pump model rather than working from horsepower alone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat a worn impeller looks like\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eImpeller wear is gradual, so few owners notice the flow going. It usually turns up somewhere else: a pressure side cleaner that has gone slow, a heater cycling on flow, a longer time to prime, or a filter pressure reading that has quietly dropped. Vanes that are eroded, chipped or packed with debris all produce the same result.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhile the pump is open\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe mechanical seal sits directly behind the impeller and comes out in the same teardown, so replace it at the same time. The impeller locking screw and the matching high flow diffuser are available separately if either is damaged.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48627710755028,"sku":"PAC-101-3114","price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_8e7166c7-9ed4-40b5-846b-a6317bfd63d4.png?v=1788727009"},{"product_id":"1-2hp-full-rated-3-4hp-up-rated-impeller-high-pressure","title":"Pentair 1\/2HP Full Rated, 3\/4HP Up Rated Impeller, High Pressure, 355147","description":"\u003cp\u003eThe Pentair 355147 is the impeller for Challenger high pressure pumps, sized for the 1\/2 HP full rated and 3\/4 HP up rated models.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the impeller does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt is the spinning part that moves the water. The impeller has to match the horsepower of the motor driving it, which is why Pentair builds a separate impeller for each rating in the range. Fitting the wrong one leaves the pump either underperforming or loading the motor.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSymptoms of a bad impeller\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eWeak return flow with a clean pump basket and a clean filter is the classic sign. Sometimes it is debris packed into the vanes, which cleans out. Sometimes the vanes themselves have worn or broken, and no amount of cleaning brings the flow back.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhile the pump is open\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe mechanical seal is behind the impeller and has to be disturbed to remove it, and the diffuser sits in front. Both are worth inspecting while the pump is apart so the job is done once.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48628781023444,"sku":"PAC-101-3118","price":63.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_9a45343f-c41e-4dc6-929f-0f08923e53fa.gif?v=1788750513"},{"product_id":"band-assy-w-o-knob-challenger","title":"Pentair Challenger Band Assembly without Knob, 354629","description":"\u003cp\u003eThe Pentair 354629 is the stainless steel band assembly for the Challenger and WaterFall pumps, supplied without the knob. It is the genuine Pentair part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the band does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe band clamps the strainer pot to the pump housing and holds that joint closed against pump pressure. It is doing real work every time the pump runs, and it lives outdoors in wet, chemical laden air. Over years it corrodes, stretches or the threads seize.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is the band assembly only. The knob is not included, so if yours is cracked or the threads are gone you will want that separately. If the pump has been leaking at the seam, replace the lid gasket at the same time; a good band and a tired gasket still leak.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48628871200980,"sku":"PAC-101-3147","price":87.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/pentair-354629-stainless-steel-band-assembly-without-knob.jpg?v=1788756827"},{"product_id":"drain-plug-1-4-npt","title":"Pentair Genuine OEM Drain Plug 1\/4\" NPT, 154699","description":"\u003cp\u003eThe Pentair 154699 is the 1\/4 inch NPT drain plug used across a number of Pentair pumps and filters. It is the genuine Pentair part, the same plug fitted at the factory.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere it goes\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePentair lists this plug for Challenger high head and high flow pumps, OptiFlo pumps from 3\/4 to 1-1\/2 HP, and Tagelus top mount sand filters. In each case it closes the low drain port, the one you open to empty the housing for winter or before a service job.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy they get replaced\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDrain plugs are pulled and refitted every closing season, which is exactly how they end up cross threaded, over tightened or simply lost. A plug that no longer seats weeps continuously, and that drip on the pad is often blamed on a shaft seal when the real fix costs a few dollars.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitting\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eStart it by hand so the tapered thread enters square, then snug it down. Do not force a plug that is not turning freely, and check the condition of the seal before you refit.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48628893909204,"sku":"PAC-051-2852","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_989687ca-21e5-40b6-8a43-398569657b7e.jpg?v=1788757060"},{"product_id":"basket-pacfab-355318-challenge","title":"Pentair Challenger Pump Basket 355318, R38024","description":"\u003cp\u003eThe Pentair R38024 is the strainer basket for the PacFab Challenger pump, the same part carried under the number 355318. It sits in the strainer pot ahead of the impeller and catches everything the skimmer let past.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat a good basket buys you\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eLeaves, twigs and grit that reach the impeller wear it, block it or take out the shaft seal. The basket is the cheap barrier that stops that happening. It only works while its slots are open and its walls are sound, so a basket that has cracked, warped or lost a section is no longer doing the job even though it still fits.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitting and care\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe basket drops into the pot without tools. Empty it before it packs solid, since a loaded basket starves the pump and shows up as poor flow and a noisy, cavitating impeller. Check the lid o-ring while the lid is off.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48628942340308,"sku":"RAI-60-2113","price":19.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/pentair-r38024-challenger-strainer-basket.jpg?v=1788758298"},{"product_id":"impeller-3hp-high-flow","title":"Pentair Impeller 3HP, High Flow, 355068Z","description":"\u003cp\u003eThe Pentair 355068Z is the high flow impeller listed at 3HP, and is also cataloged under the number 355068. It is the genuine Pentair part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment, and a number worth checking\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe source lists it for the AF-120 and AFP-120 Waterfall specialty pumps and for the 3F 50 hz and 5F 60 hz Challenger high flow inground pumps, where those Challenger models are described as 5 hp. The impeller itself is designated 3HP. Both figures come from the manufacturer listing, so read the marking on the impeller you are replacing rather than going by the pump label alone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHigh flow, not hi head\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eChallenger pumps come in high flow and hi head versions, and they use different impellers. High flow moves more water at lower pressure, which is what a waterfall or a big return circuit wants. Fitting the wrong profile changes the whole hydraulic picture, and in the wrong direction it will overload the motor.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhile you are in there\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePulling an impeller means unseating the mechanical seal behind it. It is normal practice to fit a new seal on reassembly rather than putting a disturbed one back, since a seal that leaks takes the motor with it.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48629289386196,"sku":"PAC-101-3183","price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_1fa51a24-a256-403e-b6d5-fb7ced86dad5.gif?v=1788761985"},{"product_id":"impeller-1hp-full-rated-1-1-2hp-up-rated-high-pressure","title":"Pentair Challenger Impeller, 1HP Full Rated \/ 1-1\/2HP Up Rated, High Pressure, 355369Z","description":"\u003cp\u003eThe Pentair 355369Z is the impeller for the high pressure Challenger pump at the 1 HP full rated and 1-1\/2 HP up rated size. It also appears in Pentair literature as 355369; both numbers refer to the same part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFull rated and up rated\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe two horsepower figures describe one motor. Full rated and up rated are different conventions for stating output, and a 1 HP full rated motor delivers what a 1-1\/2 HP up rated motor delivers. That is why a single impeller covers both, and why the label on your motor may not match the number you searched for.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrdering the right one\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eChallenger impellers across the range look much alike, and the high pressure models take their own parts. Go by the part number and the rating on the motor plate rather than by appearance. If the pump is open far enough to change the impeller, it is also open far enough to reach the diffuser, the seal and the locking screw, which are worth inspecting while you are there.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48629388017876,"sku":"PAC-101-3139","price":61.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_826e61d6-39d4-4516-97c4-91910ee8c924.gif?v=1788765888"},{"product_id":"impeller-3-4hp-full-rated-1hp-up-rated-high-pressure","title":"Pentair Challenger Impeller, 3\/4 HP Full Rated \/ 1 HP Up Rated, High Pressure, 355187Z","description":"\u003cp\u003eThe Pentair 355187Z is the impeller for the Challenger high pressure pump at 3\/4 HP full rated and 1 HP up rated. It also appears under the number 355187, and it is the genuine Pentair part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the impeller decides\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe impeller is the piece that actually moves the water. Its size and vane shape are what set the flow and the head the pump can produce, which is why impellers are matched to a specific horsepower rating rather than to the pump body. Fitting one that is not cut for your motor gives you a pump that either underperforms or works the motor harder than it should.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to change it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eTwo things go wrong. Debris packs into the vanes and strangles flow, which is fixable by cleaning it out. Or the vanes wear down and break, which is not. If the basket is full of water, the filter is clean and the returns are still weak, pull the impeller and look at it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo it once\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePentair lists the matching high pressure diffuser, the impeller locking screw, the mechanical seal and a full pump rebuild kit as separate items. Since the pump is already open, it is worth changing the seal and the diffuser at the same time.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48633369133268,"sku":"PAC-101-3120","price":57.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_0e8dc9d0-54fe-451b-bc84-caec6def6c44.gif?v=1788798449"},{"product_id":"impeller-3hp-high-pressure","title":"Pentair Challenger Impeller, 3 HP, High Pressure, 355544","description":"\u003cp\u003eThe Pentair 355544 is the 3 HP impeller for high pressure Challenger pumps. It is the genuine Pentair part, the same impeller the pump left the factory with.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the impeller does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEverything the pump achieves comes down to the impeller. The motor turns it, and the vanes throw water outward to create the flow that feeds the filter, the heater and the returns. When those vanes wear down, crack or fill with grit, the motor keeps running at full speed while the water slows, which is why a pump can sound perfectly healthy and still fail to turn the pool over.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMatch the horsepower\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eChallenger impellers are horsepower specific and this one is the 3 HP high pressure version. Read the rating on the motor plate before ordering, because an impeller from a different rating will not give the pump the performance it was designed for.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhile the wet end is open\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe mechanical seal sits directly behind the impeller, so the same teardown reaches it. Replacing the seal at the same time saves opening the pump twice.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48634020397268,"sku":"PAC-101-3144","price":82.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_d9ab26bc-f2d7-4e60-bbb6-d794b2ec530c.gif?v=1788824793"},{"product_id":"diffuser-oring","title":"Pentair Waterfall\/Challenger Pump Diffuser O-Ring, 355331Z","description":"\u003cp\u003eThe Pentair 355331Z is the diffuser o-ring for the Waterfall and Challenger pumps. It is the genuine Pentair part, cut and sized to the original.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the diffuser o-ring does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe diffuser sits over the impeller and turns the impeller output into usable pressure. For that to work, the diffuser has to be sealed against the housing so that water is driven through it rather than allowed to slip back around the outside. The o-ring is the piece that makes that seal. It is small, it is inexpensive, and when it goes flat or cracks the pump quietly loses flow with no obvious cause. Owners usually chase the basket, the skimmer and the impeller first.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to change it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAny time the pump is open. The diffuser comes off for shaft seal replacement, impeller changes and blockage clearing, and the o-ring is disturbed every time. A compressed o-ring that has taken the shape of its groove will not reliably reseal once it has been moved, so it is worth replacing rather than reusing. Seat it clean, use a silicone based o-ring lubricant, and check it has not rolled in the groove before the diffuser goes back down.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48634045104340,"sku":"PAC-101-1039","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_4bcd8af1-3415-4488-a238-540ae6ddbad9.jpg?v=1788825271"},{"product_id":"impeller-3-4hp-full-rated-1hp-up-rated-high-flow","title":"Pentair SuperFlo and SuperMax Impeller, 3\/4 HP Full Rated, 1 HP Up Rated, High Flow, 355067Z","description":"\u003cp\u003ePentair 355067Z is the high flow impeller rated for 3\/4 hp full rated and 1 hp up rated pumps. It is used across the Challenger and Pinnacle high flow inground pumps, the SuperFlo, and the Sta-Rite SuperMax.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the impeller does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe impeller is the spinning part that actually moves the water. Everything else in the wet end simply routes flow to it and away from it. As the vanes wear, or as debris packs into the eye of the impeller, the pump keeps drawing the same current and making the same noise while delivering steadily less flow. That is why a slow decline in filter pressure and turnover often traces back to the impeller rather than to the motor.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGetting the right one\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese pump bodies are built in more than one hydraulic version, and the horsepower on the label is not enough on its own. This is the high flow impeller for the 3\/4 hp full rated and 1 hp up rated builds. Match your pump against that before you order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhile the pump is open\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eGetting to the impeller means separating the wet end and disturbing the shaft seal. It is worth having a seal on hand so the pump goes back together with a fresh one rather than a seal that has already been unseated once.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48634383663316,"sku":"PAC-101-3109","price":61.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_008fad19-dac2-43e6-8a3f-5fe8be4fdec5.png?v=1788828880"},{"product_id":"impeller-1-2hp-full-rated-3-4hp-up-rated-high-flow","title":"Pentair Impeller, 1\/2 HP Full Rated \/ 3\/4 HP Up Rated, High Flow, 355043Z","description":"\u003cp\u003eThis is the genuine Pentair impeller for 1\/2 HP full rated pumps, the same motor sold as 3\/4 HP up rated. It is the high flow version, and Pentair lists it both as 355043Z and as 355043.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere it goes\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe source information lists this impeller for Pentair Challenger high flow models, for the SuperFlo, and for the SuperMax. Impellers are matched to both the horsepower and the build of the pump, so check the motor label and the pump model before ordering rather than going by looks.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy impellers get replaced\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAn impeller either wears or blocks. Wear opens up the clearance between the vanes and the diffuser, and flow quietly falls away over years. Blockage is faster and more obvious: hair, leaf stems and small debris pack into the vanes, and the pump runs but moves almost nothing. Either way the motor sounds perfectly healthy while the pool tells you something is wrong, which is what makes the impeller easy to overlook.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitting\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eReaching the impeller means opening the seal plate, so the mechanical seal is disturbed by definition. Fit a new seal at the same time. It costs little next to doing the job twice.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48634391134420,"sku":"PAC-101-3108","price":56.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_10904a4c-c381-4ca6-840c-cf0177330658.png?v=1788829073"},{"product_id":"motor-support","title":"Pentair Motor Support for Challenger, Pinnacle and Waterfall Pumps, 355385","description":"\u003cp\u003eThe Pentair 355385 is the motor support for the Challenger, Pinnacle and Waterfall pumps, listed at 5-5\/8 inches in diameter and also described as a motor adapter.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere it sits\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe support is the structural piece between the motor and the wet end. It carries the motor weight and holds the shaft square to the housing, which is what keeps the mechanical seal running true. Once a support has corroded thin or cracked, the motor no longer sits where the design intends and the seal pays for it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWorth doing during a motor change\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is the kind of part to replace while the pump is already apart. A support that has spent years at the wet end of the pump is usually pitted, and it will be even harder to separate next time. Compare the 5-5\/8 inch diameter to the piece you are removing before ordering, and note that the support ships on its own without motor, seal or hardware.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48634401259732,"sku":"PAC-101-5746","price":16.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_1064ffeb-333a-4ab5-a83a-a9bf51c27f16.png?v=1788829134"},{"product_id":"diffuser-2hp-full-rated-2-1-2hp-up-rated-high-flow","title":"Pentair Challenger Diffuser, 2 HP Full Rated, 2-1\/2 HP Up Rated, High Flow, 355094","description":"\u003cp\u003eThe Pentair 355094 is the diffuser for Challenger High Flow pumps in the 2 HP full rated and 2-1\/2 HP up rated builds. It is the genuine Pentair part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the diffuser does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe diffuser sits directly over the impeller. Water leaving the impeller vanes is moving fast but carries little pressure, and the diffuser is the shaped passage that converts that speed into the head the pump is rated for. It is not a cosmetic housing piece, it is half of how a centrifugal pump works.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMatch the rating, not the family name\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDiffusers are cut to suit a specific impeller, so the Challenger name alone is not enough. This one covers the 2 HP full rated and 2-1\/2 HP up rated High Flow builds. Read the rating off the motor label before you order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSigns of a worn diffuser\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA cracked diffuser or one with a worn throat lets water slip back around the impeller instead of moving on through the system. The pump keeps running and sounds normal, but flow and pressure fall away. If you are already in the wet end replacing an impeller, do the diffuser at the same time.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48634443727060,"sku":"PAC-101-3115","price":53.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_497c84cd-44d3-4d00-98b7-c5bd41b5ac33.gif?v=1788830530"},{"product_id":"5-16-18-x-3-4-hex-head-washer","title":"Pentair 5\/16-18 x 3\/4\" Hex Head Washer, 354265","description":"\u003cp\u003eThe Pentair 354265 is a hex head washer in 5\/16-18 by 3\/4 inch. It is the genuine Pentair fastener, listed in the parts breakdowns for Challenger hi head and high flow pumps, the PacFab HydroPump 590 and 700 series, and Sand Dollar top mount sand filters.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSmall part, real job\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eHardware like this holds housings, brackets and covers in place under vibration and thermal cycling. The washer face spreads the clamping load so the plastic underneath is not crushed, and the hex head lets a socket get proper torque on it. Substituting the wrong length or the wrong head shape often means the part sits proud, does not clamp evenly, or bottoms out before it grips.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrdering\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is one fastener. Most of the assemblies it appears in use several, so check the count on your equipment before you order, and take the opportunity to replace any of the surrounding hardware that has corroded.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48634501005524,"sku":"PAC-101-3083","price":8.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_7f1ce25f-58a5-457e-ba70-74f023fdf50e.jpg?v=1788832934"},{"product_id":"aladdin-b-219-pool-pump-basket-replaces-pentair-challenger-355318-or-r38024-b219","title":"SuperPro Pool Pump Basket Replaces Pentair Challenger 355318 or R38024, B219","description":"\u003cp\u003eThe SuperPro B-219 is a pool pump strainer basket sold as the replacement for the Pentair Challenger baskets 355318 and R38024. It is an aftermarket basket built to the same shape as the factory part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the basket does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe strainer basket is the last screen before the impeller. Leaves and grit that got past the skimmer collect here, and anything that slips through goes into the wet end of the pump. A basket that has cracked, collapsed or lost part of its rim stops doing that job while still looking like it is in place.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitting and flow\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eChanging it takes no tools. Turn the pump off, open the strainer pot, lift the old basket out and set this one in. It is worth checking the pot lid o-ring at the same time, since a pump that has been running against a damaged basket is often also drawing air past a tired lid seal.\u003c\/p\u003e","brand":"SuperPro","offers":[{"title":"Default Title","offer_id":48634765508820,"sku":"SPG-601-0222","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/SPG-601-0222_1a.png?v=1788836746"},{"product_id":"drain-plug-wing-1-4-black","title":"Pentair Drain Plug, Wing 1\/4\", Black, 357161","description":"\u003cp\u003ePentair 357161 is the quarter inch black wing drain plug used on Pentair and Sta-Rite pump housings. It is also cataloged under the number 154699.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe plug closes the drain port at the bottom of the pump volute. Pull it and the housing empties, which is what has to happen before a freeze and any time the wet end is opened for service. The wing head means it comes out by hand rather than needing a tool, which matters when the pump sits in a tight equipment enclosure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe part that goes with it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe plug seals against an o-ring, and that ring is ordered separately. If the pump weeps a slow drip at the drain port rather than the plug being cracked or the wing snapped off, replace the o-ring first. A plug pulled tight against a hardened ring will not seal, and cranking it harder is how the plug body gets broken.\u003c\/p\u003e\u003cp\u003ePentair lists this plug with EQ series commercial pumps, Challenger high head and high flow pumps and Sta-Rite SuperMax pumps.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48634929643732,"sku":"PAC-101-7161","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_e8a0b9e0-3782-4ad0-a818-491376982c63.jpg?v=1788838924"},{"product_id":"washer-5-16-id-x-3-4-od","title":"Pentair Washer 5\/16\" ID x 3\/4\" OD, 72173","description":"\u003cp\u003ePentair 72173 is a stainless steel flat washer measuring 5\/16 inch inside diameter by 3\/4 inch outside diameter. It is generic looking hardware that appears on a surprising number of parts diagrams, from Challenger pumps through PacFab Nautilus DE filters to the Purex CFM, CFW, 2000 Series and 4000 Series filter families.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA flat washer spreads the clamping force of a nut or bolt head over a wider area. On filter clamps and pump hardware that matters, because without it the fastener bites straight into the casting or the band and slowly deforms it. It also gives the fastener a clean, flat face to turn against so torque readings mean something.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrdering\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe source parts listing shows this washer as four required. That number belongs to a particular assembly, so count the washers you removed and work from your own diagram rather than assuming. Renew all of them together while the assembly is apart, since a corroded or dished washer will not clamp evenly against fresh ones.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48635042201812,"sku":"PUR-051-8141","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_517d9ec1-e5ca-4471-aa46-7e94fec06d89.png?v=1788840475"},{"product_id":"challenger-high-flow-pump-2-5hp-ur-hf-230v","title":"Pentair CHALLENGER PUMP 2.5HP UR HF 230V | 343229","description":"\u003cp\u003ePentair CHALLENGER PUMP 2.5HP UR HF 230V. OEM part number 343229.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48647571701972,"sku":"PAC-10-507","price":773.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/69465_1_201324113559.jpg?v=1789034912"},{"product_id":"stainless-steel-strainer-basket-5hp","title":"Pentair Basket Strainer 5HP Challenger Stainless Steel | 355901","description":"\u003cp\u003eFor use with: Model AFP-180 Waterfall Specialty Pump, 3F 50 hz\/5F 60 hz Challenger 5 hp High Flow Inground Pumps\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48647812219092,"sku":"PAC-101-3186","price":355.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/355901.jpg?v=1789668886"},{"product_id":"seal-plate-oring","title":"Pentair PacFab Challenger Front Housing O-Ring 355329Z | 355329","description":"\u003cp\u003ePentair PacFab Challenger Front Housing O-Ring 355329Z. OEM part number 355329.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48659380076756,"sku":"PAC-101-1038","price":30.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/69236_1_2010113011559.jpg?v=1789251473"},{"product_id":"pentair-pot-assembly-with-basket-stainless-steel-basket-black-357391","title":"Pentair Pot Assembly with Stainless Steel Basket, Black, 357391","description":"\u003cp\u003eThe Pentair 357391 is a complete pot assembly with a stainless steel basket, finished in black, for Pentair Challenger High Pressure and High Flow pumps.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it includes\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe assembly comes with the strainer pot, pot lid, drain plug, and a stainless steel strainer basket, so it replaces the full housing rather than a single part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt is built for the Pentair Challenger High Pressure and High Flow pump line. Confirm your pump model before ordering, since Pentair uses different pot assemblies across its pump families.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48694894887124,"sku":"PSU-169079","price":418.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/169079_0_2018412172130.jpg?v=1789765902"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/collections\/69494_1_201318102430.jpg?v=1790905031","url":"https:\/\/www.activepoolsupply.com\/collections\/pentair-challenger-parts.oembed?page=2","provider":"Active Pool Supply","version":"1.0","type":"link"}