System Longevity: Reduces the risk of winding damage caused by frequent short-cycling or low-voltage scenarios

By providing constant heat to the compressor housing

I'm replacing an 841942 part

steam service generates significant heat transfer through the stem

Designed for technicians who prioritize efficiency

Lennox 23X17 Control Board 326058-756 System Longevity: Reduces the riskThe 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