Each kit contains a precise armature assembly

Broad Boiler Compatibility: Engineered specifically for Lochinvar and A

checking for a faulty furnace flame sensor is your first move

Manufactured from specialized elastomeric materials compatible with modern refrigerants and lubricants

Watts 0121421 Valve THPU32HP7Y Each kit contains a preciseThe Watts 0121421, also identified as the LF40XL 8 150, is an automatic temperature and pressure relief valve engineered for high capacity protection of commercial water heaters and storage tanks. This 3 4 inch NPT threaded valve features a reinforced bronze body and an extended thermostat element for accurate thermal sensing. With a dedicated pressure relief setting of 150 PSI and a temperature relief threshold of 210F, it delivers a massive steam