Always verify your specific model number against the 100289519 part number in the manufacturer's replacement parts list before ordering

Designed for technicians who prioritize efficiency

As the primary communication hub

I'm replacing an 841942 part

By providing constant heat to the compressor housing

Lennox 23X17 Control Board 326058-756 Always verify your specific modelThe Lennox 23X17 Control Board, also identified as the Lennox 620244 02, is an essential demand defrost control designed for high performance heat pump systems. Built to replace previous iterations such as the LEN620244 02, this board integrates multiple critical functions into a single 24V module, including demand defrost logic, a defrost relay, and an anti short cycle timed off control. It features a sophisticated pressure switch system lockout