{"product_id":"o-ring-valve-flange","title":"Sta-Rite O-Ring, Valve Flange","description":"\u003cp\u003eSta-Rite U9-369 is the flange o-ring that seals the multiport valve to the filter tank on Cristal-Flo top mount sand filters. It is the genuine Sta-Rite part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe name to watch\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSta-Rite refers to this seal both as the valve flange o-ring and as the tank flange o-ring for the valve. They are the same part number, U9-369, so either description in a parts list points here.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere it fits\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt is used on the Cristal-Flo top mount sand filter family, with the 1-1\/2 in. multiport valve WC112-148 and the 2 in. multiport valve 14971-TM-22-L.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to change it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eWater weeping from the joint where the valve meets the tank is the classic sign. The o-ring hardens and takes a set over years of pressure and chlorine, and it will not reseal once it has. Fit a new one any time the valve is lifted off the tank, and put a thin film of silicone lubricant on it before the valve goes back down.\u003c\/p\u003e","brand":"Sta-Rite","offers":[{"title":"Default Title","offer_id":48627686899924,"sku":"STA-051-5813","price":24.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_186a9037-3c1b-445c-8ea3-98131bf73c9b.jpg?v=1788726598","url":"https:\/\/www.activepoolsupply.com\/products\/o-ring-valve-flange","provider":"Active Pool Supply","version":"1.0","type":"link"}