{"product_id":"pvc-u-ball-check-valve","title":"UPVC True Union Ball Check Valve Sch 40 (Slip\/Slip)","description":"\u003cp\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"37\"\u003e\u003cspan class=\"citation-63\"\u003eUPVC Ball Check Valve\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-63 citation-end-63\"\u003e is a safety device designed to allow water to flow in one direction only.\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-62\"\u003eIt is most commonly used on the \u003c\/span\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"166\"\u003e\u003cspan class=\"citation-62\"\u003ereturn line\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-62 citation-end-62\"\u003e from a sump to prevent water from back-siphoning and overflowing the sump when the return pump is turned off or in the event of a power failure.\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Kane Aquarium","offers":[{"title":"1\/2 inch","offer_id":44365755514959,"sku":null,"price":9.99,"currency_code":"CAD","in_stock":true},{"title":"3\/4 inch","offer_id":44365755547727,"sku":null,"price":14.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/2640\/9807\/files\/1_46b1a8c7-18b8-4209-993c-57de23009ba0.png?v=1768590360","url":"https:\/\/kaneaquarium.com\/products\/pvc-u-ball-check-valve","provider":"Kane Aquarium","version":"1.0","type":"link"}