{"product_id":"pentairchallengerdiffuseroring355331zpen355331z","title":"Pentair Challenger Diffuser O-Ring | 355331Z","description":"\u003cdiv\u003e\n\u003ch1\u003ePentair 355331Z Diffuser O-Ring\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 355331Z\u003c\/p\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eGenuine Pentair diffuser O-ring designed to seal the diffuser component of select Pentair pool pumps, preventing leaks and maintaining optimal performance of the pump's hydraulic path.\u003c\/p\u003e\n\u003ch2\u003eCompatibility \u0026amp; Fitment\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for Pentair Challenger High Flow and High Pressure inground pump models.\u003c\/li\u003e\n\u003cli\u003eAlso fits the Pentair WaterFall specialty pump series.\u003c\/li\u003e\n\u003cli\u003eRecommended for use when the diffuser is removed for service or when you observe seepage or loss of pressure at the diffuser joint.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFeatures \u0026amp; Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision molded sealing ring sized for the diffuser groove (approximately 3″ inside diameter, ¼″ cross-section).\u003c\/li\u003e\n\u003cli\u003eConstructed of pool-rated elastomeric material compatible with chlorinated and saltwater environments.\u003c\/li\u003e\n\u003cli\u003eOEM Pentair part ensuring correct fit and performance versus generic substitutes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eShut off power to the pump and relieve system pressure. Remove the pump housing and extract the diffuser. Remove the old O-ring, clean the groove and diffuser surface, install the 355331Z O-ring ensuring it sits flat and undamaged, re-install the diffuser and secure per manufacturer torque specifications. After restart, monitor the pump for any signs of leakage or loss of prime.\u003c\/p\u003e\n\u003ch2\u003eMaintenance Tip\u003c\/h2\u003e\n\u003cp\u003eInspect the diffuser O-ring during routine pump service (e.g., housing re-assembly or annual inspection). If the O-ring appears flattened, cracked or shows signs of chemical degradation, replace it with the 355331Z to ensure long-term sealing integrity and avoid costly pump or system damage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":46797760299183,"sku":"355331Z","price":8.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/pentair-challenger-diffuser-o-ring-355331z-pump-parts-7191368.jpg?v=1777066924","url":"https:\/\/freshized.com\/products\/pentairchallengerdiffuseroring355331zpen355331z","provider":"Freshized","version":"1.0","type":"link"}