Lochinvar & A.O. Smith 100113144 Switch 320735-701 this board manages essential ignition

this board manages essential ignition sequences

Industrial Durability: Plated steel housing and a high-cycle snap-acting switch offer longevity in demanding commercial environments

this unit ensures superior isolation between the primary and secondary windings

and Intertherm electric furnace platforms

this Bard replacement contactor provides a drop-in solution to restore equipment reliability

Lochinvar & A.O. Smith 100113144 Switch 320735-701 this board manages essential ignitionThe Lochinvar & A. O. Smith 100113144 Blower Prover Switch is a critical safety component designed for high efficiency water heaters and commercial boilers. As a direct OEM replacement for NS2 1333 01, this pressure switch (often referred to as an air pressure switch or draft prover switch) monitors the differential pressure created by the inducer motor. By verifying stable airflow, it ensures the sequence of operation proceeds to ignition safely.