maintaining system reliability throughout the heating season

including the SUPCO SPP series and 5-2-1 kits

improving overall system safety

maintaining the original engineering specifications of the unit

Using a 120V source will result in insufficient secondary voltage for your control components

Lochinvar & A.O. Smith 100166258 Pressure Switch Els PW 17895 maintaining system reliability throughout theThe Lochinvar & A. O. Smith 100166258 Pressure Switch is a critical safety component designed for precise combustion air monitoring in high efficiency systems. This 1. 35"wc SPDT Pressure Switch functions as a pneumatic prover, ensuring the inducer fan generates sufficient static pressure before allowing the ignition sequence to proceed. As the verified OEM replacement for PRS3428 and PRS2428, this part maintains the original equipments narrow