{"product_id":"pentair-r172020-check-valve-old-style","title":"Pentair R172020 Check Valve Old Style","description":"\u003cp\u003e\u003cstrong\u003eWhat This Part Is Used For\u003c\/strong\u003e\u003cbr\u003ePentair R172020 Check Valve Old Style is a replacement check valve for compatible Pentair plumbing systems. It prevents reverse flow in designated circulation lines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy This Part Matters\u003c\/strong\u003e\u003cbr\u003eBackflow can lead to equipment damage or reduced efficiency. Replacing worn check valves restores proper one-way flow. Reliable backflow prevention protects sensitive components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features and Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer part number R172020\u003c\/li\u003e\n\u003cli\u003eCheck Valve Old Style\u003c\/li\u003e\n\u003cli\u003eReplacement plumbing component\u003c\/li\u003e\n\u003cli\u003ePrevents reverse flow\u003c\/li\u003e\n\u003cli\u003eUsed in compatible Pentair systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInstallation and Fitment Guidance\u003c\/strong\u003e\u003cbr\u003eVerify compatibility with older plumbing configurations. Confirm by manufacturer part number before ordering. Install with correct flow direction indicated on the body.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout the Pentair Brand\u003c\/strong\u003e\u003cbr\u003ePentair plumbing components are engineered for dependable performance. Their check valves are widely used in pool circulation systems. Pentair products are designed for model-specific compatibility. Genuine Pentair parts help maintain safe water flow control.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon Service Context\u003c\/strong\u003e\u003cbr\u003eCommon when updating older equipment pads or replacing legacy check valves.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52078585151762,"sku":"R172020","price":4.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/PENR172020_0.jpg?v=1772562258","url":"https:\/\/www.aquaterrabackyard.com\/products\/pentair-r172020-check-valve-old-style","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}