Lennox 22K51 Control Board 319852-301 the 080Z0262 connects via a

the 080Z0262 connects via a standard RS-232 serial interface (9-pin DB9) to the Danfoss AK-ST 500 service software

ensuring thermal stability and long-term performance in demanding environments

Key Benefits Optimized Efficiency: Engineered to provide smooth refrigerant reversal with minimal pressure loss for 15-ton systems

providing the deep pull required for long-term system dehydrating and removal of non-condensables

This static pressure control valve is essential for protecting downstream plumbing components from high-pressure surges while maintaining consistent flow rates in residential and commercial environments

Lennox 22K51 Control Board 319852-301 the 080Z0262 connects via aThe 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