Lochinvar & A.O. Smith 100110615 Switch 328140-751 which are critical for preventing

which are critical for preventing premature bearing wear and excessive vibration within the blower assembly

the spring return mechanism automatically drives the valve stem up to the open position

System Versatility: Fully compatible with Selectra Series 20/30 for space heating and Series 21/31 for specialized air sensing applications

and low voltage conditions

Lochinvar & A.O. Smith 100110615 Switch 328140-751 which are critical for preventingThe Lochinvar & A. O. Smith 100110615 Blower Prover Switch is a critical safety component designed for high efficiency gas fired boilers and water heaters. As a veteran grade air sensing switch, this part identifies positive pressure to ensure the inducer motor is moving sufficient combustion air before the ignition sequence initiates. This OEM replacement switch (part number 100110615) is the updated version for the 9005726215 and functions as a