{"product_id":"piston-shaft-assembly-for-pentair-pvc-slide-pool-spa-multiport-backwash-valve","title":"Piston Shaft Assembly for Pentair PVC Slide Pool \u0026 Spa Multiport Backwash Valve","description":"\u003cstrong\u003eThis Piston Shaft Assembly is a direct replacement part for Pentair PVC Slide Pool \u0026amp; Spa Multiport Backwash Valves, engineered to restore precise flow control in pool and spa filtration systems.\u003c\/strong\u003e \u003ch2\u003eProduct Overview\u003c\/h2\u003e The piston shaft assembly is the core internal component that operates your Pentair PVC slide multiport backwash valve, directing water through filter, backwash, rinse, and waste cycles. When the original piston shaft assembly becomes worn or damaged, this replacement unit returns dependable, leak-free switching to your pool or spa plumbing. Pool owners and service techs rely on this piston shaft assembly for a straightforward, cost-effective repair that avoids replacing the entire valve. \u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eDirect drop-in replacement for the OEM piston shaft in Pentair PVC slide multiport valves\u003c\/li\u003e \u003cli\u003ePrecision-molded shaft and integrated sealing surfaces eliminate internal bypass leaks\u003c\/li\u003e \u003cli\u003eDurable, corrosion-resistant materials withstand chlorine, bromine, and other pool chemicals\u003c\/li\u003e \u003cli\u003eRestores smooth handle rotation and positive detent engagement for every mode position\u003c\/li\u003e \u003cli\u003eMaintains consistent water pressure and flow rates when correctly installed\u003c\/li\u003e \u003cli\u003eSimple installation—no special tools, glue, or valve body modifications required\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e \u003cul\u003e \u003cli\u003ePentair PVC slide pool and spa multiport backwash valves\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eCommon Uses\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eReplacing a broken, cracked, or sticking piston shaft in a backwash valve\u003c\/li\u003e \u003cli\u003eRebuilding a leaking multiport valve instead of buying a complete new valve assembly\u003c\/li\u003e \u003cli\u003eServicing pool and spa filtration systems that have lost reliable flow direction control\u003c\/li\u003e \u003cli\u003eRoutine maintenance of high-use commercial or residential pool equipment\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I know if my Pentair valve needs a new piston shaft assembly?\u003cstrong\u003e A:\u003c\/strong\u003e A stiff or loose handle, failure to click firmly into position, or water leaking from the valve top are signs the internal shaft and seals are worn and should be replaced.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this piston shaft assembly include all the gaskets and O-rings I need?\u003cstrong\u003e A:\u003c\/strong\u003e This assembly includes the main shaft and integrated sealing elements; some valve bodies may require separate lid O-rings or spider gaskets that are not part of this component.\u003c\/p\u003e \u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53679672099089,"sku":"ZZ3A00704","price":89.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/57_494e870b-9b2c-46bc-be5d-0852b8b68706.jpg?v=1781652531","url":"https:\/\/www.duraforce.com\/products\/piston-shaft-assembly-for-pentair-pvc-slide-pool-spa-multiport-backwash-valve","provider":"DURAFORCE","version":"1.0","type":"link"}