Lennox 22K51 Control Board 318518-761 or the furnace control board

or the furnace control board throwing a "limited inducer speed" diagnostic code

The unit utilizes a 3/8-inch x 2-7/8-inch sensing bulb and a 39-inch capillary length

this actuator ensures precise hydronic flow control and long-term mechanical stability in demanding commercial and residential HVACR circuits

The internal motor protection and large internal free volume allow this Maneurop MT32-1VI compressor to handle liquid slugging and high return gas temperatures better than standard hermetic units

Lennox 22K51 Control Board 318518-761 or the furnace control boardThe 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