Watts 0121421 Valve Refrigerant offering contractors a dependable solution

offering contractors a dependable solution for restoring thermal regulation in systems experiencing erratic cooling cycles or failed defrost terminations

Engineered for professional field use

Confirm the internal diameter and part number against the AirXchange technical manual or the data plate on the ventilation cassette

Industrial Build: Rated for high-cycle reliability to eliminate call-backs related to terminal arching or coil failure

This 1/2" NPT gas control valve (thermostat) operates with a 4" WC (Water Column) manifold setting

Watts 0121421 Valve Refrigerant offering contractors a dependable solutionThe 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