Lochinvar & A.O. Smith 100166145 Pressure Switch Els PW 17895 The most common causes are

The most common causes are restricted air filters or undersized ductwork

this ensemble delivers 45 in-lb of torque for reliable on/off or floating point control

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

Its pilot-operated diaphragm construction ensures reliable opening even under low pressure differential conditions encountered in varying load environments

Is this switch compatible with DC circuits

Lochinvar & A.O. Smith 100166145 Pressure Switch Els PW 17895 The most common causes areThe 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