Watts 0556015 Valve R-410A Engineered to monitor internal heat

Engineered to monitor internal heat exchanger and burner temperatures

It is a normally closed (NC) switch that serves as a primary safety fallback

While this wheel fits many 150-size configurations

50" WC switch to fail to close

This kit is identical to the 14004213-001/U model

Watts 0556015 Valve R-410A Engineered to monitor internal heatThe Watts 0556015 is a professional grade automatic reseating temperature and pressure relief valve designed specifically for commercial hot water heaters and supply tanks. This 3 4 inch lead free valve, model LF40XL 5 125, provides essential protection against catastrophic failure by monitoring both thermal and pressure conditions. With a pressure relief setting of 125 psi and a temperature relief threshold of 210F, this unit features a 5 inch