• This 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 30 PSI ( 2068 kPa) with corresponding high pressure ratings up to 1,300,000 BTU/hr