{"product_id":"watts-740-075-1-part-of-the-740-series","title":"Watts 740-075 1 - Part of the 740 Series","description":"\n        \u003cp\u003eThis 1 inch boiler pressure relief valve is used in hot water space heating boiler applications to protect against excessive pressure on all types of hot water space heating boiler equipment. It consists of an iron body construction with expanded outlet drain connections for hot water space heating boilers, non-metallic disc-to-metal seating, stainless steel spring, and test lever. It offers large discharge capacity, resists corrosive water conditions, resists sticking and freezing, and prevents water and sediment from being trapped in the seat. It is designed for emergency safety relief, not as an operating control. The pressure relief is set at 75 psi ( 317.1 kPa) with corresponding high pressure ratings up to 2,649,000 BTU\/hr.\u003c\/p\u003e\n\n\u003cstrong\u003eFeatures\u003c\/strong\u003e\n\u003cul\u003e\n                        \u003cli\u003eIron body construction\u003c\/li\u003e\n                        \u003cli\u003eSet at 75 psi\u003c\/li\u003e\n                        \u003cli\u003eSpring loaded\u003c\/li\u003e\n                        \u003cli\u003eAutomatic reseating\u003c\/li\u003e\n            \u003c\/ul\u003e\n\u003ctable\u003e\n        \u003cthead\u003e\n            \u003ctr\u003e\n                \u003cth colspan=\"2\" style=\"text-align: left;\"\u003eSpecifications\u003c\/th\u003e\n            \u003c\/tr\u003e\n        \u003c\/thead\u003e\n            \u003ctbody\u003e\n\u003ctr\u003e\n                \u003ctd\u003eBody Material\u003c\/td\u003e\n                \u003ctd\u003eIron\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eBrand\u003c\/td\u003e\n                \u003ctd\u003eWatts\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eBuy American Act Compliant\u003c\/td\u003e\n                \u003ctd\u003eNO\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eEAN\u003c\/td\u003e\n                \u003ctd\u003e098268019148\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eInlet Connection Size\u003c\/td\u003e\n                \u003ctd\u003e1 IN\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eInlet Connection Type\u003c\/td\u003e\n                \u003ctd\u003eFemale Threaded\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eInlet Thread Type\u003c\/td\u003e\n                \u003ctd\u003eNPT\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eLead Free\u003c\/td\u003e\n                \u003ctd\u003eNot In Scope\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eMaximum Working Pressure-PSI\u003c\/td\u003e\n                \u003ctd\u003e56\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eOutlet Connection Size\u003c\/td\u003e\n                \u003ctd\u003e1 1\/4 IN\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eOutlet Connection Type\u003c\/td\u003e\n                \u003ctd\u003eFemale Threaded\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eOutlet Thread Type\u003c\/td\u003e\n                \u003ctd\u003eNPT\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003ePart Number\u003c\/td\u003e\n                \u003ctd\u003e\u003cspan class=\"highlight\"\u003e\u003cspan class=\"highlight\"\u003e0382821\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003ePressure Range\u003c\/td\u003e\n                \u003ctd\u003e30 to 75 PSI\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003ePressure Relief Setting-PSI\u003c\/td\u003e\n                \u003ctd\u003e75\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eSeries\u003c\/td\u003e\n                \u003ctd\u003e740\u003c\/td\u003e\n            \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/media.mainlinematerials.com\/files\/es-174a-740-pdf.pdf\" target=\"_blank\"\u003eSpecification Sheet - 174A, 374, 740\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/media.mainlinematerials.com\/files\/es-174a-740-fr-ca-2331.pdf\" target=\"_blank\"\u003eSpecification Sheet - 174A, 374, 740 (French)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/media.mainlinematerials.com\/files\/es-174a-740-es-mx.pdf\" target=\"_blank\"\u003eSpecification Sheet - 174A, 374, 740 (Spanish)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/media.mainlinematerials.com\/files\/es-fs-reliefvalve-2315.pdf\" target=\"_blank\"\u003eSpecification Sheet - Flood Sensor for Relief Valve Discharge Line\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/media.mainlinematerials.com\/files\/es-fs-reliefvalve-fr-ca-2315.pdf\" target=\"_blank\"\u003eSpecification Sheet - Flood Sensor for Relief Valve Discharge Line (French)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/media.mainlinematerials.com\/files\/es-fs-reliefvalve-es-mx-2315.pdf\" target=\"_blank\"\u003eSpecification Sheet - Flood Sensor for Relief Valve Discharge Line (Spanish)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/media.mainlinematerials.com\/files\/es-fs-rv-connectionkit-2344.pdf\" target=\"_blank\"\u003eSpecification Sheet - Relief Valve Flood Sensor Retrofit Connection Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/media.mainlinematerials.com\/files\/es-fs-rv-connectionkit-2344-fr-ca.pdf\" target=\"_blank\"\u003eSpecification Sheet - Relief Valve Flood Sensor Retrofit Connection Kit (French)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/media.mainlinematerials.com\/files\/es-fs-rv-connectionkit-2344-es-mx.pdf\" target=\"_blank\"\u003eSpecification Sheet - Relief Valve Flood Sensor Retrofit Connection Kit (Spanish)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cb\u003eUPC\u003c\/b\u003e - 098268019148","brand":"Watts","offers":[{"title":"Default Title","offer_id":44887755849928,"sku":"0382821","price":785.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0172\/0762\/3734\/files\/639004225340000000_66530c06-1519-4ba5-8274-1761fb89a3e1.jpg?v=1767123691","url":"https:\/\/www.mainlinematerials.com\/products\/watts-740-075-1-part-of-the-740-series","provider":"Mainline Materials","version":"1.0","type":"link"}