Lochinvar & A.O. Smith 100110615 Switch 328140-751 System Versatility: Fully compatible with

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

Precision Timing: Utilizes a specialized electronic circuit to provide a 120-second (±15s) time-out period for optimal refrigeration system safety

making it ideal for maintaining specific storage tank temperatures while preventing dangerous overheating conditions

Reliable Capacity: Rated for a maximum individual load of 125

Lochinvar & A.O. Smith 100110615 Switch 328140-751 System Versatility: Fully compatible withThe 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