Durable Construction: Built to withstand the high-temperature and high-cycling demands of modern HVACR systems

Operating as a constant torque motor

Universal Frequency Support: Built to operate reliably across both 50Hz and 60Hz cycles

this specific assembly is configured for natural gas water heaters

Lochinvar & A.O. Smith 100093632 Switch 324846-701 Durable Construction: Built to withstandThe Lochinvar & A. O. Smith 100093632 Switch is a critical safety component designed for high efficiency commercial boilers and residential water heaters, including the Polaris PG series. This heavy duty air pressure switch is factory calibrated to a 1. 6" w. c. setpoint, ensuring the combustion blower provides sufficient drafting before the ignition sequence initiates. Utilizing an SPDT (Single Pole Double Throw) configuration with normally open (N.