{"product_id":"amtrol-fnvr30-30-expansion-tank-hydronic-heating-system-4-4-gallon","title":"Amtrol FNVR30 30 Expansion Tank Hydronic Heating System 4.4 Gallon","description":"\u003cp\u003eThis Amtrol FNVR30 (equivalent to model EX-30) is a 4.4-gallon expansion tank designed for use in closed-loop hydronic heating and cooling systems to control system pressure. It features a deep-drawn steel tank construction with a high-strength butyl\/EPDM diaphragm that separates system water from the air cushion, preventing waterlogging and reducing energy consumption. The unit comes factory pre-charged to 12 PSIG and is rated for a maximum operating pressure of 100 PSI and a maximum temperature of 240 degrees F. This plumbing component is suitable for residential and commercial applications with BTU outputs typically ranging from 50,000 to 150,000\u003c\/p\u003e","brand":"Amtrol","offers":[{"title":"Default Title","offer_id":45717746581690,"sku":"222439","price":52.05,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/1530\/2074\/files\/222439_ai.jpg?v=1773869739","url":"https:\/\/www.loopstone.net\/products\/amtrol-fnvr30-30-expansion-tank-hydronic-heating-system-4-4-gallon","provider":"Loopstone Store","version":"1.0","type":"link"}