{"product_id":"lfrk-709-ck4-6-1st-or-2nd-check-complete","title":"LFRK 709 CK4 6\"  1st or 2nd Check Complete","description":"\u003cdiv\u003eSeries 709 Double Check Valve Assemblies were manufactured in sizes from 3\/4 - 10\". The smaller 3\/4 - 2\" devices were produced from 1973 - 1993 and were constructed of bronze. Watts also made a hot water version of the 709 which was distinguished by the suffix \"HW\". Although the valve has been discontinued, a full line of repair parts are still available. The larger 2 1\/2 - 10\" devices began production in 1973 and are still being manufactured. The 2 1\/2 - 3\" valve can be ordered with bronze body or epoxy coated cast iron. the 4 - 10\" devices are all epoxy coated cast iron. 2 1\/2 - 10\" can be ordered with a number of valve options. All models have two check covers and self contained check valves. All models have replaceable seats and require no special tools for repair.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/fireresq-documents.s3.amazonaws.com\/wsc\/lead-free-compliant.png\"\u003e\u003c\/div\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796731404565,"sku":"0794016","price":2287.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/180572.jpg?v=1772727988","url":"https:\/\/www.backflowpreventer.com\/products\/lfrk-709-ck4-6-1st-or-2nd-check-complete","provider":"Water Specialties Company","version":"1.0","type":"link"}