the 94-M prevents the burner from automatically restarting once the water level is restored

leading to diaphragm damage

Ease of Installation: Standard 3/4" NPT threads facilitate direct replacement during routine service calls

simplifying field installation and ensuring a tight shut-off against high differential pressures

Durable Bronze Internals: The corrosion-resistant bronze spring cage and body ensure structural integrity under consistent 250°F maximum operating temperatures

Watts 0121325 Valve R-134A the 94-M prevents the burnerThe Watts 0121325 (Model 1XL 4 150) is a professional grade 1 2 inch T&P relief valve engineered for critical temperature and pressure protection in water heater and storage tank applications. This ASME rated safety valve is designed to manage thermal expansion and prevent over pressurization in systems with a maximum heat input of 15,000 BTU hr. Featuring a 4 inch extension thermostat with a specialized thermo bonded coating, the 1XL 4 ensures