This 1 1/4 inch boiler pressure relief valve is used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all types of hot water heating supply boiler equipment. It consists of a bronze body construction with NPT threaded female inlet and NPT threaded female outlet (drain) connections, non-metallic disc-to-metal seating, stainless steel spring, and test lever. It resists corrosive water conditions, 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 125 psi (861.8 kPa) with corresponding high pressure ratings up to 5,370,000 BTU/hr.
Features
Spring loaded
Soft seated
Bronze body
Automatic reseating
Features a flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve
Set pressure 125 psi
Requires purchase of activation kit to activate sensor
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