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Description
**Lead Free

Series 174A Boiler Pressure Relief Valves are 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. Series 174A 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 and shall not be used as an operating control.
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Manuals (1)
Specs
Capacity:

1320000 BTU/hr

Pressure Set Point:

75 psi

Lead Free:

Yes

Application:

Heating

Size:

3/4"

Material:

Bronze

Connection Type:

Threaded

Thread Type:

Female

Temperature Range (F):

250°F Max

ASME:

Yes

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