SPDT Heavy Duty Switching: Capable of managing both heating and cooling loads with a single

This professional-grade kit includes a high-performance valve

managing airflow

Replacement is necessary if the switch fails to maintain continuity when pressure is within the 2-14" W

Integrating this genuine factory part ensures your HVACR system meets original manufacturer specifications for safety and operational efficiency

Watts 0275404 Valve 326058-755 SPDT Heavy Duty Switching: CapableThe Watts 0275404 is a high capacity boiler pressure relief valve from the Series 174A, engineered specifically for hot water heating and domestic supply systems. This 1 inch NPT threaded valve is designed to handle demanding commercial and industrial hydronic loads, featuring a discharge capacity of 3,215,000 BTU hr at a 125 PSI pressure relief setting. Built with a rugged bronze body and a stainless steel spring, it utilizes a non metallic, soft