{"product_id":"watts-automatic-fill-valve-for-hot-water-boiler-b911s-m3","title":"Watts Automatic Fill Valve for Hot Water Boiler, B911S-M3","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFor use in boiler feed lines in hydronic heating systems\u003c\/li\u003e\n\u003cli\u003eCombination feed water pressure regulator and backflow preventor\u003c\/li\u003e\n\u003cli\u003eQuick system filling and purging\u003c\/li\u003e\n\u003cli\u003eAll bronze construction\u003c\/li\u003e\n\u003cli\u003e1\/2 in. union solder inlet x NPT threaded outlet connection\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWatts B911S-M3 Automatic Fill Valve for Hot Water Boiler is a combination fill valve and backflow preventer for use in the boiler feed lines in commercial and residential hydronic heating systems. It provides make-up water to the boiler and prevents backflow when supply pressure falls below system pressure. It consists of a bronze backflow preventer (Model 9D) and a bronze feed water pressure regulator (Model 1156F) in a single pre-assembled unit. The high capacity fill valve provides quick system filling and purging. Size is 1\/2 in. union solder inlet x NPT threaded outlet connections. The maximum pressure is 100 psi.\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43356915859665,"sku":"BW-B00093D1CM","price":314.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/51Sq0X8p7rL._SL1000.jpg?v=1790980684","url":"https:\/\/belmontwarehouse.com\/products\/watts-automatic-fill-valve-for-hot-water-boiler-b911s-m3","provider":"Belmont Warehouse","version":"1.0","type":"link"}