{"product_id":"febco-chl-mod-850-2-chk-mod-860-880","title":"FEBCO Check Module 905-347 — 1\/2–3\/4\" for 850\/860\/880","description":"\u003cp\u003eThe FEBCO 905-347 Check Module is an OEM replacement check assembly designed for use in FEBCO 850, 860 and 880 series backflow preventers. Intended for 1\/2\"–3\/4\" sizes (3\/4\"), this module restores internal sealing and poppet function to reduce downtime during maintenance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDirect fit for FEBCO 850 (first or second check) and 860\/880 (second check) assemblies.\u003c\/li\u003e\n\u003cli\u003eKit includes: seat, O-ring(s), poppet, seal disc, disc retainer, round HD screw, spring, guide and a lubricant gel packet.\u003c\/li\u003e\n\u003cli\u003eMade to OEM specifications with durable elastomers and precision metal components for consistent seating performance.\u003c\/li\u003e\n\u003cli\u003eIdeal for field service and shop rebuilds—replaces worn check components without replacing the entire assembly.\u003c\/li\u003e\n\u003cli\u003eCompatible with NPT end connections; fits 1\/2\"–3\/4\" sizes listed on Febco parts tables.\u003c\/li\u003e\n\u003cli\u003eSold per module for one check location; follow Febco installation and maintenance instructions after replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eReplacing the 905-347 check module is a cost-effective repair that restores proper operation and helps extend the life of your FEBCO backflow preventer. For part diagrams, installation steps, relief valve instructions and freeze-protection guidance, refer to the manufacturer documents included with this listing or the Febco parts manual.\u003c\/p\u003e","brand":"Febco","offers":[{"title":"Default Title","offer_id":43672383433,"sku":"905-347","price":65.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1987\/5531\/products\/905-347-2_6352edc3-4e2f-4cef-bf61-2db334b43beb.jpg?v=1503297204","url":"https:\/\/www.sprinklersupplystore.com\/products\/febco-chl-mod-850-2-chk-mod-860-880","provider":"Sprinkler Supply Store","version":"1.0","type":"link"}