{"product_id":"watts-f121459-valve","title":"Watts F121459 Valve","description":"\u003cp data-start=\"0\" data-end=\"427\"\u003eThe Watts F121459 LF140X-8 is a 3\/4-inch lead-free temperature and pressure relief valve designed for water heaters, storage tanks, and commercial hot water systems requiring dependable overpressure and overtemperature protection. Rated for 150 PSI and 210°F, this automatic reseating valve helps protect plumbing and heating equipment from unsafe operating conditions caused by thermal expansion and excessive system pressure.\u003c\/p\u003e\n\u003cp data-start=\"429\" data-end=\"807\"\u003eThis model features an 8-inch coated thermostat probe for accurate temperature sensing and includes a discharge line flood sensor for additional leak detection and safety monitoring. In field applications, technicians commonly install the LF140X-8 on commercial water heaters, storage tanks, and hydronic systems where code-compliant thermal and pressure protection is required.\u003c\/p\u003e\n\u003cp data-start=\"809\" data-end=\"957\"\u003eProper relief valve operation is essential for protecting piping, tanks, and connected equipment from pressure buildup and excessive thermal stress.\u003c\/p\u003e\n\u003cp data-start=\"959\" data-end=\"972\"\u003eKey benefits:\u003c\/p\u003e\n\u003cul data-start=\"973\" data-end=\"1269\"\u003e\n\u003cli data-section-id=\"1lh4q3d\" data-start=\"973\" data-end=\"1030\"\u003e150 PSI and 210°F temperature and pressure protection\u003c\/li\u003e\n\u003cli data-section-id=\"sfq57q\" data-start=\"1031\" data-end=\"1088\"\u003eLead-free construction for potable water applications\u003c\/li\u003e\n\u003cli data-section-id=\"pypbe1\" data-start=\"1089\" data-end=\"1144\"\u003eAutomatic reseating design for dependable operation\u003c\/li\u003e\n\u003cli data-section-id=\"v3ny6\" data-start=\"1145\" data-end=\"1200\"\u003e8-inch coated thermostat probe for accurate sensing\u003c\/li\u003e\n\u003cli data-section-id=\"1kotpvi\" data-start=\"1201\" data-end=\"1269\"\u003eIncludes discharge line flood sensor for added safety monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1271\" data-end=\"1591\"\u003eCommon questions:\u003cbr\u003eWhat does this valve do? It relieves excess pressure and temperature in hot water systems.\u003cbr data-start=\"1379\" data-end=\"1382\"\u003eWhat is the flood sensor used for? It helps detect discharge line leaks or valve discharge events.\u003cbr data-start=\"1480\" data-end=\"1483\"\u003eWhere is this valve commonly installed? On water heaters, storage tanks, and commercial hot water systems.\u003c\/p\u003e\n\u003cp data-start=\"1593\" data-end=\"1783\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eF121459 is the cross for 0121459 \u003c\/span\u003e\u003c\/p\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":43061269823666,"sku":"F121459","price":1078.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Pic_3c74897d-2a02-445e-81f7-4812a268cb84.png?v=1779405889","url":"https:\/\/www.gsistore.com\/en-ca\/products\/watts-f121459-valve","provider":"GSIstore","version":"1.0","type":"link"}