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Watts Regulator Temperature and Pressure Relief Valve 1XL 1/2" (0004494) (2 Pack) Watts Series 1XL ½" Designed Certified by AGA & CGA only and do no... Read More at PlumberSurplus.com
Series 1XL ½" Designed Certified by AGA & CGA only and do not comply with ASME requirements. Self Closing Temperature and Pressure Relief Valves. The... Read More at PlumberSurplus.com
40XL-4, 1" MIP x 1" FIP, 4" Thermostat CSA Temp. Steam Rating BTU/HR 500,000. ASME Pressure Steam Rating BTU/HR @ 75psi set pressure 1,155,000, @ 10... Read More at PlumberSurplus.com
Watts Vacuum Relief Valve N36 M1, 3/4" (0138458) The Watts Vacuum Relief Valve N36 M1, 3/4" (0138458) Automatically vents a closed system if vacuum o... Read More at PlumberSurplus.com
Watts Vacuum Relief Valve N36 M1, 1/2" (0138457) (2 Pack) The Watts Vacuum Relief Valve N36 M1, 1/2" (0138457) Automatically vents a closed system if... Read More at PlumberSurplus.com
Watts Regulator Temperature and Pressure Relief Valve 40XL-8, 3/4" (0158774) 40XL-8, 3 /4" MIP x 3 /4" FIP, 8" Thermostat CSA Temp. Steam Rating BTU/... Read More at PlumberSurplus.com
Watts Regulator Temperature and Pressure Relief Valve 40XL-5, 3/4" (0156731) 40XL-5, 3 /4" MIP x 3 /4" FIP, 5" Thermostat CSA Temp. Steam Rating BTU/... Read More at PlumberSurplus.com
Watts Regulator Temperature and Pressure Relief Valve 40XL-4, 1" (0163725) 40XL-4, 1" MIP x 1" FIP, 4" Thermostat CSA Temp. Steam Rating BTU/HR 500,... Read More at PlumberSurplus.com
Watts ASME Water Pressure Relief Valves Series 174A-30, 3/4" (0274428) Set pressure 30 PSI. BTU/hr Steam Pressure Discharge Capacity 650,000 for pres... Read More at PlumberSurplus.com
