{"title":"Pentair Dynamo Pump Parts","description":"\u003cp\u003eReplacement parts for Pentair Dynamo Pump, genuine OEM and compatible aftermarket.\u003c\/p\u003e","products":[{"product_id":"pot-assembly-dynamo","title":"Pentair Dynamo Strainer Pot Assembly, 354103","description":"\u003cp\u003eThe Pentair 354103 is the strainer pot housing assembly for Dynamo above ground pool pumps. It is listed with the Dynamo lid, the lid o-ring and the strainer basket.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the strainer pot does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEverything the skimmer misses arrives here. The pot holds the basket that catches leaves and hair before they reach the impeller, and it is also the part of the pump that has to hold a vacuum. Both jobs matter: a blocked basket starves the pump, and a leaking pot stops it priming at all.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to replace the whole housing\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCracks are the common failure, usually along the pot wall or around the lid seat, and they are often invisible until the pump refuses to prime. Suction side plastic under vacuum does not take repairs well, so a cracked pot is a replacement rather than a patch. A warped or chewed lid seat is the same story, since no o-ring will seal against a damaged sealing face.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitting it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBecause the assembly comes with the lid, o-ring and basket, the whole front of the pump goes back to a known good condition in one job instead of chasing a leak through three separate parts.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48625785209044,"sku":"PAC-101-6126","price":224.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_19c94a03-52e9-481a-8a81-9d20191a0bed.png?v=1788692334"},{"product_id":"lid-o-ring-dynamo","title":"Pentair Lid O-Ring, Dynamo, 354533","description":"\u003cp\u003ePentair 354533 is the lid o-ring for Dynamo pool pumps. It is the genuine Pentair part and the seal between the strainer pot and its lid.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe symptom\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA pump that will not hold prime, or that runs with a growing pocket of air in the basket chamber, is usually telling you about this o-ring. Heat and pool chemistry harden it over a few seasons until it no longer springs back against the lid, and from there the pump draws air instead of water.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitting it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eLift the old ring out of the groove, wipe the groove and the underside of the lid clean, then seat the new ring with a thin film of silicone pool lubricant. Avoid petroleum based grease, which swells the rubber.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48626733154516,"sku":"PAC-101-3093","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_6a66bf62-3891-4953-b499-948ef61efa01.png?v=1788714161"},{"product_id":"diffuser-o-ring","title":"Pentair Diffuser O-Ring for Dynamo","description":"\u003cp\u003eThe Pentair 354634 is the diffuser bracket O-ring for the Dynamo aboveground swimming pool pump. It is also carried under the reference O-453, and it is listed at 3\/16 in.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it seals\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe diffuser sits over the impeller and directs water into the volute. The O-ring around its bracket keeps that path sealed. When the O-ring hardens, flattens or cracks, water short circuits inside the pump and air finds its way in with it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe symptoms\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA Dynamo that primes slowly, loses prime after it shuts off, or runs with air riding in the strainer pot is often pointing at a seal this small. It is worth checking before you go looking for a cracked housing or a suction line leak.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhile you are in there\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDo not reuse an old O-ring once the pump is open. The mechanical seal assembly and the strainer pot lid O-ring are the parts most often changed in the same service, and all three are inexpensive next to a second teardown.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48627712295124,"sku":"PAC-101-3081","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_356cb510-9d6b-46e3-adbe-5125303354bd.jpg?v=1788727017"},{"product_id":"oem-lid-dynamo-strainer-pot","title":"Pentair OEM Lid, Dynamo Strainer Pot, 354531Z","description":"\u003cp\u003eThe Pentair 354531Z is the strainer pot lid for the Dynamo pool pump. It is original manufacturer equipment, the same lid the pump was built with.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy the lid matters\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eWhile the pump runs, everything on the suction side is under vacuum, and that includes the strainer pot. The lid seals the top of it. A lid that is crazed, cracked or warped enough that it will not sit flat lets air past, and the pump loses prime, runs with air in the pot, or never primes properly to begin with. Owners usually go looking for a suction line leak long before they suspect the lid.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe lid alone. The lid O-ring is a separate part and should be replaced at the same time, since the old one has taken the shape of the old lid. A generic Dynamo lid from a third party manufacturer is available if you would rather not pay for the OEM part.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48627713114324,"sku":"PAC-101-3092","price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_d3363116-edae-4714-ba21-30bfdf2e1359.png?v=1788727034"},{"product_id":"pot-dynamo-strainer","title":"Pentair Dynamo Pot Trap Basket Housing, 354530Z","description":"\u003cp\u003eThe Pentair 354530Z is the trap basket housing, the strainer pot, for the Dynamo above ground pool pump. Pentair literature also shows this part as 354530 and 35-4530.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat part of the pump this is\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe trap basket housing is the pot ahead of the impeller. Water enters it, the basket inside catches leaves and debris before they reach the impeller, and the lid seals the top. This listing is the pot itself. The basket, the lid and the lid o-ring are all separate Pentair items.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy it gets replaced\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA pot fails by cracking, by losing a clean sealing surface at the lid, or by damage at the threads or the plumbing connection. Any of those lets air into the suction side, and the symptom is a pump that will not hold prime no matter how many o-rings you fit. Replacing the housing restores a sound, sealed suction side.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt is the genuine Pentair housing for the Dynamo above ground pump.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48627736543444,"sku":"PAC-101-3091","price":102.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_ace20d5f-3043-4a9c-8946-cb0a9380f875.png?v=1788727529"},{"product_id":"dynamo-body-housing","title":"Pentair Dynamo Body Housing, 354630Z","description":"\u003cp\u003eThe Pentair 354630Z is the genuine housing body for the Dynamo aboveground swimming pool pump. It is also carried under the number 354630.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it is\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe housing body is the wet end shell. The impeller turns inside it, the diffuser seats in it, and the suction and discharge plumbing lands on it. Everything else in the wet end depends on the body being sound and true.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy bodies get replaced\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eTwo things kill a pump body: water left in it over a freeze, and a fitting screwed in past the point the threads can take. Either one cracks the shell, and a crack on the pressure side will not hold epoxy or tape for long. Replacing the body is the repair.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is in the box\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe housing body only. The trap basket housing, the lid o-ring, the diffuser o-ring and the impeller are all separate Dynamo parts, and it is worth renewing the seals while the pump is apart.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48628828635348,"sku":"PAC-101-3170","price":111.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_f543306e-53d3-4e33-9dcd-29f2b68b6e73.png?v=1788753476"},{"product_id":"dynamo-basket-w-handle","title":"Pentair Dynamo Basket with Handle, 354548","description":"\u003cp\u003eThe Pentair 354548 is the strainer basket with handle for the Pentair Dynamo pump. It is the genuine part, shaped to the Dynamo strainer pot.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEverything the skimmer misses ends up here. The basket catches leaves, twigs and grit before the water reaches the impeller, which is why running a pump without one, or with a cracked one, is a good way to clog or damage the wet end.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to change it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBaskets are consumable. Sun, chlorine and repeated handling make the plastic brittle, and eventually a season of heavy leaves cracks a wall or collapses the base. A basket that has split lets debris through and can also restrict suction enough that the pump struggles to hold prime. Replacing it is a one minute job with the pump off and the lid removed.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48628889157844,"sku":"PAC-101-3101","price":26.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_2fdbfc34-c767-4f39-b42a-98068ce1d5f6.png?v=1788756969"},{"product_id":"on-off-switch-dynamo-pump","title":"Pentair On\/Off Switch for Dynamo Pump, 350444","description":"\u003cp\u003eThe Pentair 350444 is the on\/off motor switch assembly for the Dynamo aboveground swimming pool pump. It is the genuine Pentair part, supplied as a complete assembly rather than a bare switch.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to change it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe switch takes the full starting load every time the pump is turned on, and it is one of the first parts on an aboveground pump to give up. A pump that will not start, that will not shut off, or that only runs when the switch is held at a certain point, is usually telling you the contacts inside are burnt rather than that the motor is finished.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you work on it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eKill the power at the breaker before touching the switch, and confirm the supply is dead at the motor. Replacing the assembly is straightforward once the motor is safely isolated.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48629534621908,"sku":"PAC-101-3095","price":53.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/pentair-350444-on-and-off-motor-assembly.jpg?v=1788766192"},{"product_id":"three-position-toggle-switch","title":"Pentair Three Position Toggle Switch, 356546","description":"\u003cp\u003eThe Pentair 356546 is the three position toggle switch used on the Sta-Rite Dynamo above ground pool and spa pump. It is the genuine Pentair replacement part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it controls\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eRather than a simple on and off, this switch gives the pump three selectable positions. Everything the pump does at the panel runs through it, so when the switch fails the pump can seem completely dead even though the motor is fine.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDiagnosing a bad switch\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSwitches on pool equipment live a hard life. Damp air, heat off the motor and years of being flicked back and forth all take a toll. If power reaches the switch but nothing passes through it, or the toggle feels loose and will not hold a position, replace the switch before you start pricing a motor. Isolate the circuit at the breaker before opening the wiring compartment.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48634426818772,"sku":"PAC-101-6546","price":53.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/pentair-356546-3-position-toggle-switch.jpg?v=1788830507"},{"product_id":"1hp-impeller-assembly","title":"Pentair Dynamo 1HP Impeller Assembly, 355122","description":"\u003cp\u003eThe Pentair 355122 is the 1 horsepower impeller assembly for Dynamo pool pumps, supplied as a genuine Pentair part.\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. It is matched to the motor it sits behind, which is why the horsepower rating on the part matters as much as the pump model. As it wears, the vanes thin out and the edges chip, and the pump moves less water each season without ever sounding different.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow to tell it is the impeller\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eWeak return flow with a clean basket, clean skimmer and a motor that still runs at full speed points at the impeller. Sometimes it is simply packed with debris and cleans out, but a worn one has to be replaced. Doing that on a healthy motor costs a fraction of a new pump, and the shaft seal should be changed at the same time since the pump is already apart.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48634491764948,"sku":"PAC-101-3117","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_edd00e24-bde5-42c4-adf5-4462ead3d5a5.png?v=1788832653"}],"url":"https:\/\/www.activepoolsupply.com\/collections\/pentair-dynamo-parts.oembed","provider":"Active Pool Supply","version":"1.0","type":"link"}