Watts 374A Boiler Water Pressure Relief Valve. 3/4
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$32.97
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Series 374A Boiler Pressure Relief Valves are used in hot water boiler applications to protect against excessive pressure on all types of hot water heating boiler equipment. It consists of an iron body construction with forged bronze inlet connections. non-metallic disc-to-metal seating. stainless steel spring. and test lever. Series 374A 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. Standard Pressure Setting: 30 PSI (206.9 KPA). Pressure range: rated up to 550.000 BTU/hr at a 30PSI (2 BAR) setting only.
- 3/4 in. (20mm)
- On hydronic boilers up to 550.000 BTU
- Standard pressure relief setting is 30 PSI
- Iron body with bronze inlets
- Series 374A resists corrosive water conditions. sticking and freezing. and prevents water and sediment from being trapped in the seat
- Standard Pressure Setting: 30 PSI (206.9 KPA). Pressure range: rated up to 550.000 BTU/hr at a 30PSI (2 BAR) setting only.WARNING: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
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