- This 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 standard pressure setting is 30psi (2069 kPa), Pressure Range: In 5psi (345 kPa) increments from 30 to 150psi (2 to 10 bar) with corresponding high ratings from 650,000 to 14,370,000 BTU/hr
| Body Type | Bronze | |
| BtuH | 650,000 | |
| Conn. Size | 3/4″ | |
| Inlet Conn. | 3/4″ | |
| Model # | 174A-030 3/4 | |
| Outlet Conn. | 3/4″ | |
| Pressure Setting | 30* | |
| Shipping Weight | 1.17 | |
| Shipping Weight | 2.44 | |
| Shipping Length | 2.80 | |
| Shipping Height | 6.60 |
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