Lennox 22K51 Control Board R-22 protecting the compressor from liquid

protecting the compressor from liquid slugging while maximizing HVAC system efficiency and dehumidification capacity

reducing the risk of trace burnout

For contractors building Type E self-protected combination motor controllers

Engineered with a dual SCR output and a direct bond copper substrate

failure to open despite receiving 24V signal

Lennox 22K51 Control Board R-22 protecting the compressor from liquidThe Lennox 22K51 Ignition Control Board (OEM 607308 22) is a critical integrated furnace control designed for high performance service in select Lennox communicating enabled gas units. Engineered to interface with SL280UHV, SL280DFV, EL296UHV, and EL296DFV heating systems, this 120V furnace ignition module ensures precise hot surface ignitor timing and reliable flame sensing. This board replaces legacy 107045 XX series controls, providing a stable