Featuring a durable brass body and high-grade EPDM elastomers

Its durable construction makes it an ideal industrial pressure switch for contractors requiring precision calibration and long-term stability in mechanical ventilation environments

the 1720-802 is a pilot outlet only configuration

leak-resistant foundation suitable for high-vibration HVACR environments

and 4DA3/5 refrigeration compressors

Lochinvar & A.O. Smith 100111923 Relief Valve 322056-301 Featuring a durable brass bodyThe Lochinvar & A. O. Smith 100111923 is an industrial grade pressure relief valve engineered for high output hydronic heating and potable water systems. Featuring a large 1 1 4 inch NPT connection, this valve is designed to manage thermal expansion and prevent over pressurization in large scale boilers and water heaters. It is factory set to a 50 PSI discharge threshold with a high flow 2,490,000 BTU hr capacity, ensuring it can handle the rapid