Watts 0163725 Valve 320735-701 Continuous operation at high limits

Continuous operation at high limits will eventually fatigue the internal bimetal disc

effectively preventing heat exchanger damage and potential flame rollout

Engineered for flexibility

making it a standard choice for HVACR contractors managing pump systems

technicians should verify the bore diameter and groove profile against the existing sheave to maintain the original factory blower speed and system static pressure

Watts 0163725 Valve 320735-701 Continuous operation at high limitsThe Watts 0163725 is a high capacity commercial temperature and pressure relief valve designed specifically for large scale hot water heaters and supply tanks. This 1 inch Watts 40XL 4 150 unit features a 4 inch extension thermostat with a specialized thermo bonded coating to minimize mineral buildup and ensure consistent thermal response in rigorous environments. Rated for a steam discharge capacity of 2,134,000 BTU hr (ASME), it provides essential