Lochinvar & A.O. Smith 100166145 Pressure Switch Els PW 17895 minimizing stem leakage and extending

minimizing stem leakage and extending the service life of existing infrastructure without requiring a full valve body replacement

While light oxidation can be buffed off with an emery cloth

The most common causes are restricted air filters or undersized ductwork

the compact footprint allows for a clean fit within narrow burner vestibules

1-Inch NPT Connection: Provides a secure

Lochinvar & A.O. Smith 100166145 Pressure Switch Els PW 17895 minimizing stem leakage and extendingThe Lochinvar and A. O. Smith 100166145 Pressure Switch is a critical safety component designed for precise low gas pressure monitoring in high efficiency commercial boilers and water heaters. Engineered to meet the rigorous demands of HVACR systems, this manual reset (M R) switch operates within a 2 14" W. C. (water column) range, ensuring the burner circuit interrupts if supply pressure drops below safe operational thresholds. Cross referenced as