Lochinvar & A.O. Smith 100288444 Sensor Board 320788-703 Contractors typically identify a failing

Contractors typically identify a failing unit by a loud grinding noise from the bearings

Optimized Superheat Control: Prevents compressor damage by ensuring only vaporized refrigerant returns to the suction side

it is the functional replacement control board

the 10P33 offers a versatile solution with its adjustable regulator

the board utilizes demand defrost logic

Lochinvar & A.O. Smith 100288444 Sensor Board 320788-703 Contractors typically identify a failingThe Lochinvar 100288444 Sensor Board is a critical OEM electronic component designed for precise monitoring and signal processing within high efficiency commercial boilers and water heaters. As a direct successor to the 100167583, this replacement sensor board ensures seamless integration with the main control module to maintain accurate thermal regulation and safety parameters. Engineered for Lochinvar Knight and A. O. Smith water heater systems, it