Lochinvar & A.O. Smith 100167770 Control Board Els PW 17895 this unit is factory-set and

this unit is factory-set and sealed at 75 PSI

Simplified Wiring: Supports both 24V AC and DC nominal voltage with standard color-coded lead wires for fast contractor installation

Smith commercial water heating models that utilize 24Vac control logic

it manages pressure differentials from 5 to 250 PSI for air and up to 200 PSI for liquids

Lochinvar & A.O. Smith 100167770 Control Board Els PW 17895 this unit is factory-set andThe Lochinvar & A. O. Smith 100167770 Control Board is a critical integrated control board engineered for high efficiency commercial gas water heaters and condensing boilers. As an OEM replacement control module, it manages the complex sequence of operations for Lochinvar Knight and A. O. Smith Cyclone series units. This HVAC control board interfaces directly with the blower motor, gas valve, and spark igniter to ensure precise combustion and thermal