Key Benefits Optimized Flow Capacity: Features a high 13 Cv rating to handle significant volume with minimal pressure drop

and heavy-duty lighting circuits

The assembly includes the switch

effectively interrupting the electrical circuit to the burner or heating elements if internal temperatures exceed safe operating parameters

Watts 0276886 Valve THPU32HP7Y Key Benefits Optimized Flow Capacity:The Watts 0276886 is a professional grade Series 174A hot water boiler pressure relief valve designed for high capacity protection in heavy duty commercial heating systems. This specific 1. 5 inch NPT model is factory set to 50 PSI and delivers a high volume steam discharge capacity of 2,950,000 BTU hr. Engineered with a non metallic disc to metal seat, it prevents the seat from sticking, ensuring reliable operation even in systems with high mineral