{"product_id":"1st-or-2nd-check-spring-module","title":"1st or 2nd Check Spring Module","description":"This is a check spring module for the 4\" Febco 850 \u0026amp; 870 double check assemblies, and second check spring module for the 4\" Febco 860 \u0026amp; 880 assemblies. This spring module is a self contained assembly and will fit either first or second check in 850 \u0026amp; 870 series. Replace your weak or broken spring with this genuine Febco repair kit. No special tools are required for servicing.\u003cbr\u003e**Notice: The original Febco 860 \u0026amp; 880 and LF860 \u0026amp; LF880 use different parts. Please be sure which model you have before ordering. The LF860 \u0026amp; LF880 can be identified by an epoxy coated relief valve body. The original 860 \u0026amp; 880 series had a bronze relief valve body","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796675797269,"sku":"905143","price":225.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/178553.jpg?v=1772726305","url":"https:\/\/www.backflowpreventer.com\/products\/1st-or-2nd-check-spring-module","provider":"Water Specialties Company","version":"1.0","type":"link"}