1" 643,000 BTU Capacity, Low Press Steam Safety Valve, 15 psi
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Pressure Relief Valve for Ultra Gas Boilers
Watts 335 Boiler Pressure Relief Valve, 3/4-Inch
1" 643,000 BTU Capacity, Low Press Steam Safety Valve, 15 psi
------
Pressure Relief Valve for Ultra Gas Boilers
Watts 335 Boiler Pressure Relief Valve, 3/4-Inch