{"title":"Stenner Parts","description":"\u003cp\u003eStenner parts at Active Pool Supply, genuine OEM and quality aftermarket.\u003c\/p\u003e","products":[{"product_id":"stenner-pumps-mccvdb0-check-valve-duckbill","title":"Stenner Pumps MCCVDB0 Check Valve Duckbill","description":"\u003cp\u003eMCCVDB0 is the Stenner replacement duckbill for the check valve on their peristaltic pumps, moulded in Santoprene. It is the duckbill on its own, sold one per order rather than in the five pack.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the duckbill does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOn a peristaltic feeder, chemical leaves the pump in pulses. The duckbill in the injection check valve opens for each pulse and closes behind it, which is what keeps line pressure and pool water from pushing back toward the pump. When it stops sealing, the pump loses prime, dosing becomes uneven, and the feeder appears to be running while very little chemical is actually reaching the water.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment and service life\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eStenner lists this duckbill for the 45, 85, 100 and 170 Series adjustable and fixed pumps and for the SVP and BDF Series. Duckbills are consumables: constant exposure to concentrated chemical stiffens and swells the elastomer over time, so most techs change the duckbill on the same visit as the pump tube instead of waiting for a failure.\u003c\/p\u003e","brand":"Stenner","offers":[{"title":"Default Title","offer_id":48627954778324,"sku":"GHS-451-4019","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/GHS-451-4019-_1a.png?v=1788730912"},{"product_id":"stenner-pumps-mcak200-ferrule-for-45-85-100-170-series-adjustable-fixed-pumps-svp-bdf-series-pumps-1-4-inch-24-pack","title":"Stenner Pumps 1\/4\" Ferrule, 24 Pack","description":"\u003cp\u003eThe Stenner MCAK200 is a 1\/4 in. ferrule supplied 24 to a pack, for Stenner chemical feed pumps.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat a ferrule does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe ferrule is the small compression piece that clamps the tube into the fitting. It is what makes the joint hold. When it deforms or loses its grip, the fitting starts to weep, and with a chemical feed pump a weeping joint means product where it should not be.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich pumps\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe available sources describe the fitment two different ways. One lists the Classic and Econ Series pumps. The other lists the 45, 85, 100 and 170 Series adjustable and fixed pumps together with the SVP and BDF Series. Both readings are recorded in the specifications above, and it is worth checking your pump model against them before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBuying in a pack\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrules are consumable, so a 24 pack suits anyone running a route or maintaining several feed pumps. Stenner pumps are built in modules, which keeps the swap itself short.\u003c\/p\u003e","brand":"Stenner","offers":[{"title":"Default Title","offer_id":48628829782228,"sku":"GHS-451-4018","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_a1ab5ac9-eee6-473c-ab58-586c26cc8c7a.jpg?v=1788753594"},{"product_id":"stenner-pumps-fc5040d-feed-rate-control-with-shaft-for-45-85-series-adjustable-pumps","title":"Stenner Pumps Feed Rate Control with Shaft for Classic 45 and 85 Adjustable Pumps","description":"\u003cp\u003eThe Stenner FC5040D is the feed rate control for Classic 45 and 85 series adjustable output pumps, and it ships with its shaft. It is the genuine Stenner part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOn an adjustable Stenner pump, the feed rate control is what sets how much chemical the pump delivers. Turn it, and the output changes. When the control wears, will not hold a setting or no longer moves cleanly, dosing stops being repeatable, and a pump that cannot be trusted to hold a rate is worse than no pump at all.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is for the adjustable output Classic 45 and 85 pumps. A fixed rate pump has no rate control to replace. Stenner designed these pumps as a set of components that come apart, so fitting a new control is a straightforward swap rather than a rebuild.\u003c\/p\u003e","brand":"Stenner","offers":[{"title":"Default Title","offer_id":48629273788628,"sku":"GHS-451-4052","price":319.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_52902fa9-125d-4262-b2fd-c48437f54234.jpg?v=1788761803"},{"product_id":"stenner-pumps-msk120-motor-service-kit-for-45-85-100-170-series-adjustable-fixed-pumps-2-inch-npt-120-v-60-hz","title":"Stenner Pumps Motor Service Kit for 45, 85, 100 and 170 Series Adjustable and Fixed Pumps, 2 Inch NPT, 120 V, 60 Hz","description":"\u003cp\u003eThe Stenner MSK120 is the motor service kit for the 45, 85, 100 and 170 Series pumps, in both adjustable and fixed output versions. It is the 120 V, 60 Hz version with a 2 inch NPT mount.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat a service kit is for\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eStenner feed pumps run continuously, and after enough hours the motor is what starts to go: output falls off, the pump gets noisy, or it stops turning under load. A motor service kit puts that right without replacing the whole pump, which is the difference between a modest parts order and a new unit plus the plumbing work to fit it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMatching the kit to your pump\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThree things have to line up: the pump series, the voltage and frequency, and the mount. This kit is for the 45, 85, 100 and 170 Series at 120 V and 60 Hz with a 2 inch NPT mount. Stenner also describes it as the motor service kit for the Classic Series pumps, which is the family those series belong to. Read the data plate on your pump and confirm all three before ordering.\u003c\/p\u003e","brand":"Stenner","offers":[{"title":"Default Title","offer_id":48633703137492,"sku":"GHS-451-4201","price":147.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_abcdcf27-bf3b-4cff-8dc6-81bb4c756afb.jpg?v=1788812022"},{"product_id":"stenner-pumps-qp500-1-quickpror-roller-assembly-for-classic-svp-m128-series-pumps","title":"Stenner Pumps QuickPro Roller Assembly for Classic, SVP and M128 Series Pumps","description":"\u003cp\u003eThe Stenner QP500-1 is the QuickPro roller assembly for Classic, SVP and M128 series peristaltic chemical feed pumps.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA peristaltic pump has no impeller and no seals in the chemical path. A rotor carries rollers that squeeze a flexible tube against the pump housing, and that travelling pinch is what pushes chemical through. Everything the pump delivers depends on those rollers closing the tube completely.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to change it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eRollers are a wear part. As they age they stop compressing the tube fully and part of every rotation leaks back past the pinch, so the pump keeps turning while the feed rate quietly falls. If the tube is intact and the suction line is clear but output is down, the rollers are the place to look. They are commonly replaced alongside the pump tube, since both wear on a similar schedule.\u003c\/p\u003e","brand":"Stenner","offers":[{"title":"Default Title","offer_id":48633709592788,"sku":"GHS-451-4107","price":48.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/GHS-451-4107-_1a.png?v=1788812268"},{"product_id":"stenner-pumps-mcdbinj-injection-duckbill-check-valve-with-1-4-inch-ferrule-for-45-85-100-170-series-adjustable-fixed-pumps-svp-bdf-series-pumps-1-4-inch-santoprene-5-pack","title":"Stenner Pumps MCDBINJ Injection Duckbill Check Valve with 1\/4\" Ferrule, 5 Pack","description":"\u003cp\u003eThe Stenner Pumps MCDBINJ is the injection duckbill check valve with a 1\/4 in. ferrule, molded in Santoprene and supplied five to a pack.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe duckbill sits at the injection point and opens only under pressure from the pump. Between strokes it closes, which is what stops treated water from pushing back up the feed line. When the duckbill hardens, splits or takes a set, that one way behavior is lost, and the pump stops delivering the dose it is set for even though it is still running.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatibility, as the source has it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe data carries two readings and both are worth checking against your pump. The full product name lists the 45, 85, 100 and 170 Series adjustable and fixed pumps together with the SVP and BDF Series, while the shorter title says Classic and Econ pumps. Confirm MCDBINJ against your own parts list rather than going by pump family alone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy a five pack\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eStenner wet ends are modular, and the small elastomeric parts are the ones that wear. Buying the check valve in fives suits anyone servicing several feeders or rebuilding a pump on a set interval.\u003c\/p\u003e","brand":"Stenner","offers":[{"title":"Default Title","offer_id":48633767952596,"sku":"GHS-451-4037","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_6d9d2eb2-c31d-4dc6-8268-114e12308b39.jpg?v=1788814964"},{"product_id":"stenner-pumps-pmbrpl2-rotor-assembly-for-45-85-170-series-adjustable-fixed-pumps","title":"Stenner Pumps PMBRPL2 Rotor Assembly for 45, 85 and 170 Series Adjustable and Fixed Pumps","description":"\u003cp\u003eThe Stenner PMBRPL2 is the rotor assembly for the 45, 85 and 170 series pumps, in both the adjustable output and the fixed output versions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the rotor does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA Stenner feeder is a peristaltic pump: the rotor turns inside the housing and presses the pump tube against the wall, pushing chemical along ahead of it. That means the rotor carries load on every revolution, which makes it a service part rather than a fit and forget one.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrdering\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis listing is the rotor assembly on its own, supplied assembled. Tubes and other pump components are separate items, so it is worth looking at the tube while the pump is apart.\u003c\/p\u003e","brand":"Stenner","offers":[{"title":"Default Title","offer_id":48634023575764,"sku":"GHS-451-4060","price":133.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/GHS-451-4060-_1a.png?v=1788824892"},{"product_id":"stenner-pumps-ak4010w-suction-discharge-tubing","title":"Stenner Pumps Suction and Discharge Tubing, 1\/4 in x 100 ft, White","description":"\u003cp\u003eStenner AK4010W is a 100 ft roll of white 1\/4 inch tubing for the suction and discharge lines on Stenner chemical feed pumps, covering the 45, 85, 100 and 170 Series adjustable and fixed pumps along with the SVP and BDF Series.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSuction and discharge, not the pump tube\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt is worth being clear about which tube this is. A peristaltic pump has a flexible tube inside the head that the rollers squeeze, and that is a separate wear item on its own schedule. This roll is the line that carries chemical from the drum to the pump and from the pump to the injection point. It does not get squeezed, but it does age, harden and eventually crack from constant chemical contact.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy white helps\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eChemical feed lines fail quietly. A white line lets you see crystallized chemical building up inside, an air lock sitting in a high spot, or discoloration where the tubing is starting to break down, all of which are invisible in an opaque line. On a system you check monthly rather than daily, that visibility is what catches a problem before the pool stops getting dosed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRunning the line\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eKeep runs as short and direct as practical and avoid sharp bends that can kink or restrict flow. A 100 ft roll normally leaves enough over after the initial install to redo a line during a future service call.\u003c\/p\u003e","brand":"Stenner","offers":[{"title":"Default Title","offer_id":48634156384468,"sku":"GHS-451-4025","price":75.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/GHS-451-4025-_1a.png?v=1788825968"},{"product_id":"stenner-pumps-ucinj38-injection-check-valve-with-3-8-inch-ferrule","title":"Stenner Pumps Injection Check Valve with 3\/8 Inch Ferrule","description":"\u003cp\u003eThe Stenner UCINJ38 is the injection check valve with a 3\/8 inch ferrule. Stenner lists it for the 45, 85, 100 and 170 Series adjustable and fixed pumps, and for the SVP and BDF Series pumps.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere it sits\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe injection check valve is the last piece in the feed line, threaded into the pipe where the chemical goes in. Two jobs: it delivers the dose into the flow, and its internal check stops pressurized water from travelling back up the tubing toward the pump when the pump is idle.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy it wears out\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEverything the pump feeds passes through this one fitting, so it takes the full strength of the chemical along with line pressure and, on hard water, scale. A valve that weeps at the pipe, will not hold a prime, or feels gritty when it seats has done its time. Match the ferrule size to your tubing before ordering, since the same valve is built in several sizes.\u003c\/p\u003e","brand":"Stenner","offers":[{"title":"Default Title","offer_id":48634170114260,"sku":"GHS-451-4038","price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/GHS-451-4038-_1a.png?v=1788826164"},{"product_id":"stenner-pumps-mccp205-pump-tube-with-1-4-inch-ferrule","title":"Stenner Pumps MCCP205 Pump Tube with 1\/4 Inch Ferrule, #5 Santoprene","description":"\u003cp\u003eThe Stenner MCCP205 is a #5 Santoprene pump tube supplied with a 1\/4 inch ferrule, rated for 0 to 25 psi. It is the genuine Stenner tube for 45, 85, 100 and 170 Series adjustable and fixed pumps and for SVP and BDF Series pumps.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy the tube is a consumable\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA peristaltic pump has no seals, valves or diaphragm in the chemical path. Rollers squeeze a length of flexible tube, and that squeezing is what moves the chemical. The tube therefore takes the whole mechanical load of the pump every rotation, and it is expected to be replaced periodically rather than run to failure. A tube changed on schedule costs a few dollars; a tube that splits inside the pump housing puts chemical where nothing was designed to see it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMatching the tube to the pump\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eTube size sets output, so a #5 tube must go back into a pump set up for a #5 tube. The 1\/4 inch ferrule connects to 1\/4 inch tubing on the suction and discharge sides. Confirm both the tube size and the pressure at your injection point before ordering, since the 0 to 25 psi rating defines where this tube belongs.\u003c\/p\u003e","brand":"Stenner","offers":[{"title":"Default Title","offer_id":48634387071188,"sku":"GHS-451-4007","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/GHS-451-4007-_1a.png?v=1788828967"},{"product_id":"stenner-pumps-uccp201-pump-tube-with-1-4-inch-ferrule-for-45-85-100-170-series-adjustable-fixed-pumps-svp-bdf-series-pumps-1-santoprene-0-100-psi-2-pack","title":"Stenner Pumps #1 Santoprene Pump Tube with 1\/4\" Ferrules, 2 Pack","description":"\u003cp\u003eStenner UCCP201 is a two pack of genuine #1 Santoprene pump tubes with 1\/4 inch ferrules. The tube is the wearing part in a Stenner peristaltic feed pump, and it is rated for 0 to 100 psi.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow the tube wears\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA peristaltic pump squeezes the tube against a roller to move chemical, so the tube is under constant flex whenever the pump runs. Stenner calls for replacing it annually. When a feed pump runs but no longer moves product, the tube is the first thing to look at.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment and compatibility\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe facts carry two ways of describing what it fits. The detail list names the 45, 85, 100 and 170 Series adjustable and fixed pumps together with the SVP and BDF Series, while the title describes the same tube as fitting Classic and S Series pumps. Check your pump against both. Also check the Stenner chemical compatibility guide before fitting, because Santoprene is not the right tube material for every chemical.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitting it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe modular design of the Stenner pumps makes the tube change quick, and the ferrules arrive on the tube so it goes straight into the pump housing.\u003c\/p\u003e","brand":"Stenner","offers":[{"title":"Default Title","offer_id":48634474987732,"sku":"GHS-451-6806","price":46.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_de64e125-bd80-40c1-bb1c-d93adeeb2f77.jpg?v=1788831936"},{"product_id":"stenner-pumps-ucdbinj-injection-check-valve-with-1-4-inch-ferrule","title":"Stenner Pumps Injection Check Valve with 1\/4 Inch Ferrule","description":"\u003cp\u003eThe Stenner UCDBINJ is an injection check valve supplied with a 1\/4 inch ferrule. Stenner lists it for the 45, 85, 100 and 170 Series adjustable and fixed pumps, and for the SVP and BDF Series.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere it sits in the system\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe injection check valve is the last component in a chemical feed line. It threads into the pipe or fitting at the injection point, opens when the pump pushes chemical through, and closes the rest of the time so pressurized water cannot travel back up the tubing toward the pump.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy it fails\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEverything the feed system doses passes through this one small valve, and it lives at the junction between chemical and circulating water. Deposits build up, the seat stops sealing, or the valve sticks shut. A feed pump that turns as it should while chemical levels do not move is often pointing at the injection check valve rather than at the pump.\u003c\/p\u003e","brand":"Stenner","offers":[{"title":"Default Title","offer_id":48634501038292,"sku":"GHS-451-4015","price":26.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/GHS-451-4015-_1a.png?v=1788832939"},{"product_id":"stenner-pumps-ak4002b-suction-discharge-tubing-for-45-85-100-170-series-adjustable-fixed-pumps-svp-bdf-series-pumps-1-4-inch-x-20-ft-l-uv-black","title":"Stenner 20' x 1\/4\" ROLL SUCTION\/DISCHARGE TUBING BLACK | AK4002B","description":"\u003cp\u003eStenner 20' x 1\/4\" ROLL SUCTION\/DISCHARGE TUBING BLACK. OEM part number AK4002B.\u003c\/p\u003e","brand":"Stenner","offers":[{"title":"Default Title","offer_id":48650308288724,"sku":"GHS-451-4061","price":19.61,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/39045_1_201373123659.jpg?v=1789075653"},{"product_id":"stenner-pumps-mcinj38-injection-duckbill-check-valve-for-45-85-100-170-series-adjustable-fixed-pumps-svp-bdf-series-pumps-3-8-inch-santoprene-5-pack","title":"Stenner 5PK INJECTION CHECK VALVE 3\/8\" | MCINJ38","description":"\u003cp\u003eStenner 5PK INJECTION CHECK VALVE 3\/8\". OEM part number MCINJ38.\u003c\/p\u003e","brand":"Stenner","offers":[{"title":"Default Title","offer_id":48650318643412,"sku":"GHS-451-4077","price":98.62,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/39056_1_2011104155737.jpg?v=1789075654"}],"url":"https:\/\/www.activepoolsupply.com\/collections\/stenner-parts.oembed","provider":"Active Pool Supply","version":"1.0","type":"link"}