Watts 174A-M1 water pressure safety relief valve, 1-1/4 inch female threaded inlet, 150 PSI setpoint, 6,340,000 BTU/hr discharge capacity, bronze body construction. Watts Regulator (Franklin, New Hampshire) is a major US plumbing valve manufacturer with backflow preventers, regulators, mixing valves, and pressure relief products serving commercial plumbing, hydronic HVAC, and water utility applications. The 174A-M1 is an ASME and Canadian Registered (CRN 0G1893.5C) pressure-only relief valve certified to ASSE 1003 and IPC for potable water service. Applications include water heater protection, hot water storage tank safety, hydronic boiler relief, and commercial plumbing pressure protection where the 1-1/4 inch line size and 150 PSI setpoint match the system design. ASME and NB certification qualifies the valve for installation on code-rated pressure equipment. Bronze construction handles potable water without contamination. Appears unused, no box. New surplus, available from King Surplus inventory in Del Rio, Texas. Same-day shipping on orders before 3:00 PM CT.

Manufacturer: Watts Regulator Manufacturer Location: Franklin, NH, USA Model: 174A-M1 Number: 174A Type: Water Pressure Safety Relief Valve Size: 1-1/4 in Connection Type: Female Threaded Relief Pressure (Setpoint): 150 PSI Discharge Capacity: 6,340,000 BTU/hr Max Temperature: 210 F Body Material: Bronze Certifications: ASME, NB (National Board), ASSE 1003, IPC Canadian Registration Number: 0G1893.5C Condition: Appears unused, no box