{"product_id":"piston-shaft-assembly-fit-pentair-pvc-slide-pool-spa-multiport-backwash-valve","title":"Piston Shaft Assembly Fit Pentair PVC Slide Pool \u0026 Spa Multiport Backwash Valve","description":"\u003ch2\u003ePiston Shaft Assembly for Pentair PVC Slide Multiport Backwash Valve\u003c\/h2\u003e\u003cp\u003ePiston shaft assembly for Pentair PVC slide multiport backwash valves, designed to replace worn or broken internal components in pool and spa filtration systems.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis piston shaft assembly is the core moving part inside Pentair’s PVC slide (push-pull) multiport backwash valves. It directs water flow between filtering, backwashing, and rinsing positions for above-ground and in-ground pools and spas. Designed for maintenance technicians and DIY pool owners servicing Pentair filter systems, the assembly restores proper valve operation without replacing the entire valve body.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-molded shaft matches factory geometry for smooth slide action\u003c\/li\u003e\n\u003cli\u003eDurable construction resists chemical corrosion from pool water and chlorine\u003c\/li\u003e\n\u003cli\u003eSelf-lubricating O-ring grooves reduce sticking and leaks during operation\u003c\/li\u003e\n\u003cli\u003eRapid-change design allows valve function switching without binding\u003c\/li\u003e\n\u003cli\u003eReplaces worn piston shafts to eliminate bypass leaking and backwash inefficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBackwashing sand or DE pool filters\u003c\/li\u003e\n\u003cli\u003eMaintaining spa and hot tub circulation systems\u003c\/li\u003e\n\u003cli\u003eServicing Pentair multiport valves in commercial pool equipment rooms\u003c\/li\u003e\n\u003cli\u003eRestoring proper filter pressure after a valve internal failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What does the piston shaft do in a slide backwash valve? \u003cstrong\u003eA:\u003c\/strong\u003e It moves the diverter to change water flow paths inside the valve body, enabling filter, backwash, rinse, and waste positions with a simple push-pull motion.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I know if this assembly fits my Pentair valve? \u003cstrong\u003eA:\u003c\/strong\u003e It is made for Pentair PVC slide (push-pull) style multiport valves typically found on pool and spa filters. Check that your existing valve uses a slide mechanism and not a rotating handle type.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":44965033377878,"sku":"ZZ3A00704","price":89.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/57_d64f83f9-4626-4cbe-9f8d-6541bbffc8e3.jpg?v=1781652542","url":"https:\/\/www.solidspare.com\/products\/piston-shaft-assembly-fit-pentair-pvc-slide-pool-spa-multiport-backwash-valve","provider":"Solid Spare","version":"1.0","type":"link"}