{"product_id":"waterway-plunger-cap-assy-605-4370-1-on-off-valve","title":"Waterway Plastics 605-4370 - Plunger and Cap Assembly - 1-Inch On-Off Valve","description":"\u003cdiv\u003e\n\u003ch1\u003eWaterway Plastics Plunger and Cap Assembly\u003c\/h1\u003e\n\u003ch2\u003eWaterway Plastics \u003cstrong\u003ePlunger and Cap Assembly\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWaterway Plastics\u003c\/strong\u003e delivers dependable pool components for professional installations. The \u003cstrong\u003e605-4370\u003c\/strong\u003e plunger and cap assembly is designed for 1-inch on-off valve configurations. It functions as the actuating and sealing element inside the valve, enabling controlled water flow in a variety of pool and spa circuits. Technicians rely on this service item to restore valve function during routine maintenance.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003ePlunger and cap assembly for 1-inch on-off valve bodies.\u003c\/li\u003e\n\u003cli\u003eFacilitates valve actuation by presenting a seating surface inside the valve body.\u003c\/li\u003e\n\u003cli\u003eCompact design supports installation in restricted valve cavities.\u003c\/li\u003e\n\u003cli\u003eServes as a dedicated wear item for valve shutoff and flow control.\u003c\/li\u003e\n\u003cli\u003eDesigned to be replaced as a unit during valve service.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhere This Part Is Used\u003c\/h3\u003e \u003cp\u003eIn typical pool and spa systems, this plunger and cap assembly sits inside the 1-inch valve body that governs flow between pump, return lines, and auxiliary circuits. You’ll find it in valve sections connected to skimmer assemblies, jet bodies, pump wet ends, return lines, and filter housings. It provides the actuating force and seating surface that allows the valve to open and close reliably. During service, technicians replace worn plungers or caps to restore proper shutoff. The assembly supports routine valve rebuilds without replacing surrounding plumbing in most Waterway valve bodies.\u003c\/p\u003e \u003ch3\u003eWhy Choose Waterway Plastics\u003c\/h3\u003e \u003cp\u003eWaterway Plastics is recognized for durable, well-engineered components used by professional pool builders and service technicians. The company emphasizes consistent design across its valve and plumbing families, which helps technicians source compatible service parts from a familiar catalog. This approach supports long-term serviceability and predictable maintenance outcomes in busy service environments. Choosing Waterway Plastics means relying on a brand with a documented history of quality parts that technicians trust for reliable valve operation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Waterway Plastics","offers":[{"title":"Default Title","offer_id":51890862522642,"sku":"411-6540","price":13.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/WWP4116540_0.jpg?v=1768329148","url":"https:\/\/www.aquaterrabackyard.com\/products\/waterway-plunger-cap-assy-605-4370-1-on-off-valve","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}