{"product_id":"500-1600-waterway-slide-valve-piston-shaft","title":"500-1600 | Waterway Slide Valve Piston Shaft","description":"\u003cp data-end=\"764\" data-start=\"147\"\u003eThe Waterway 500-1600 Piston Shaft Assembly is a precision-engineered internal replacement component designed for the 2½″ slide-valve assemblies in the Waterway Hi-Temp PVC “Crystal Water” filter line. It restores proper sliding action, ensures tight sealing and maintains reliable flow direction in the valve when worn or damaged. This piston shaft kit includes the core shaft plus the associated O-rings, gaskets and seals necessary for a complete refresh of the valve mechanism. With this assembly installed, you can avoid full valve replacement and extend the life of your filter system.\u003c\/p\u003e\n\u003ch3 data-end=\"782\" data-start=\"766\"\u003eHighlights\u003c\/h3\u003e\n\u003cul data-end=\"1664\" data-start=\"783\"\u003e\n\u003cli data-end=\"997\" data-start=\"783\"\u003e\n\u003cp data-end=\"997\" data-start=\"785\"\u003e\u003cstrong data-end=\"816\" data-start=\"785\"\u003eComplete Internal Assembly:\u003c\/strong\u003e Includes the piston shaft plus all necessary seals and gaskets (e.g., 505-1021, 505-1041, 505-1031, 820-1050) for one seamless installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1198\" data-start=\"998\"\u003e\n\u003cp data-end=\"1198\" data-start=\"1000\"\u003e\u003cstrong data-end=\"1032\" data-start=\"1000\"\u003eRestore Valve Functionality:\u003c\/strong\u003e Designed specifically for the 2½″ slide-valve (Crystal Water \/ Hi-Temp series) to restore smooth travel and proper alignment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1386\" data-start=\"1199\"\u003e\n\u003cp data-end=\"1386\" data-start=\"1201\"\u003e\u003cstrong data-end=\"1226\" data-start=\"1201\"\u003eDurable Construction:\u003c\/strong\u003e Made by Waterway Plastics with quality materials to withstand spa\/pool chemicals, back-wash action and repeated cycles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1542\" data-start=\"1387\"\u003e\n\u003cp data-end=\"1542\" data-start=\"1389\"\u003e\u003cstrong data-end=\"1420\" data-start=\"1389\"\u003eCost-Effective Alternative:\u003c\/strong\u003e Rather than replacing the full valve body, installing this internal assembly gives many more years of reliable service.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1664\" data-start=\"1543\"\u003e\n\u003cp data-end=\"1664\" data-start=\"1545\"\u003e\u003cstrong data-end=\"1572\" data-start=\"1545\"\u003eCompact \u0026amp; Easy Install:\u003c\/strong\u003e One-piece kit simplifies maintenance and helps minimize downtime of your filtration system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWaterway \u003cspan\u003eCrystal Water D.E. Filters\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"339\" data-end=\"358\"\u003eAdditional Info\u003c\/h3\u003e\n\u003cp data-start=\"359\" data-end=\"612\"\u003eThis FAQ helps in-store customers verify valve compatibility, seal configuration, and installation steps before picking up the Waterway 500-1600 Piston Shaft Assembly from Discount Pool Mart. It also explains what to bring for fast counter confirmation.\u003c\/p\u003e\n\u003ch2 data-start=\"614\" data-end=\"669\"\u003eValve Compatibility, Fitment \u0026amp; Series Identification\u003c\/h2\u003e\n\u003cp data-start=\"670\" data-end=\"765\"\u003eThese answers help walk-in shoppers ensure the kit matches their Waterway slide-valve assembly.\u003c\/p\u003e\n\u003ch4 data-start=\"767\" data-end=\"822\"\u003eHow do I confirm the 500-1600 fits my slide valve?\u003c\/h4\u003e\n\u003cp data-start=\"823\" data-end=\"1051\"\u003eCheck your valve body for Waterway Hi-Temp or Crystal Water markings and confirm it uses the 2½ inch slide-valve layout. If the internal piston shaft is similar in length and design, this assembly is typically the correct match.\u003c\/p\u003e\n\u003ch4 data-start=\"1053\" data-end=\"1121\"\u003eWill this kit work if my valve only leaks in certain positions?\u003c\/h4\u003e\n\u003cp data-start=\"1122\" data-end=\"1281\"\u003eYes. Worn piston seals often leak when the shaft is misaligned or the seals have flattened. Replacing the internal assembly restores proper seating and travel.\u003c\/p\u003e\n\u003ch4 data-start=\"1283\" data-end=\"1343\"\u003eCan I bring the old piston shaft to Discount Pool Mart?\u003c\/h4\u003e\n\u003cp data-start=\"1344\" data-end=\"1467\"\u003eYes. Bringing your old part—or photos of the valve body—allows store staff to confirm the correct assembly before purchase.\u003c\/p\u003e\n\u003ch2 data-start=\"1469\" data-end=\"1522\"\u003eSeal Behavior, Valve Travel \u0026amp; Expected Performance\u003c\/h2\u003e\n\u003cp data-start=\"1523\" data-end=\"1603\"\u003eThese details help customers understand how the valve will operate once rebuilt.\u003c\/p\u003e\n\u003ch4 data-start=\"1605\" data-end=\"1661\"\u003eWhat parts are included with the 500-1600 assembly?\u003c\/h4\u003e\n\u003cp data-start=\"1662\" data-end=\"1787\"\u003eIt includes the piston shaft and the associated sealing components needed to rebuild the interior of the 2½ inch slide valve.\u003c\/p\u003e\n\u003ch4 data-start=\"1789\" data-end=\"1857\"\u003eWill this reduce stiffness or binding when operating the valve?\u003c\/h4\u003e\n\u003cp data-start=\"1858\" data-end=\"1980\"\u003eYes. New seals and a clean piston surface restore smooth sliding action and consistent alignment inside the valve chamber.\u003c\/p\u003e\n\u003ch4 data-start=\"1982\" data-end=\"2030\"\u003eDoes the rebuild help prevent water bypass?\u003c\/h4\u003e\n\u003cp data-start=\"2031\" data-end=\"2143\"\u003eIn most cases, yes. Fresh seals create more even pressure, reducing bypass and improving flow direction control.\u003c\/p\u003e\n\u003ch2 data-start=\"2145\" data-end=\"2194\"\u003eIn-Store Pickup, Inspection \u0026amp; Prep for Rebuild\u003c\/h2\u003e\n\u003cp data-start=\"2195\" data-end=\"2272\"\u003eHelpful guidance for Discount Pool Mart customers preparing for service work.\u003c\/p\u003e\n\u003ch4 data-start=\"2274\" data-end=\"2329\"\u003eWhat should I bring to the store for best results?\u003c\/h4\u003e\n\u003cp data-start=\"2330\" data-end=\"2465\"\u003eBring photos of your valve markings, plumbing orientation, and the old piston shaft to ensure correct fitment when picking up in store.\u003c\/p\u003e\n\u003ch4 data-start=\"2467\" data-end=\"2519\"\u003eCan I compare the new assembly with my old one?\u003c\/h4\u003e\n\u003cp data-start=\"2520\" data-end=\"2642\"\u003eYes. Customers can inspect the kit at the counter to confirm the seals, shaft length and end profile match their original.\u003c\/p\u003e\n\u003ch4 data-start=\"2644\" data-end=\"2694\"\u003eIs the kit ready for installation right away?\u003c\/h4\u003e\n\u003cp data-start=\"2695\" data-end=\"2825\"\u003eYes. Once the valve body is cleaned and the old components removed, the new piston shaft assembly is ready to install immediately.\u003c\/p\u003e","brand":"Waterway","offers":[{"title":"Default Title","offer_id":50957237846304,"sku":"500-1600","price":84.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/3326\/9536\/files\/500-1600WaterwaySlideValvePistonShaftDiscountPoolMart_3.jpg?v=1766078783","url":"https:\/\/discountpoolmart.com\/products\/500-1600-waterway-slide-valve-piston-shaft","provider":"Discount Pool Mart","version":"1.0","type":"link"}