Lennox 22K51 Control Board 319852-301 use the designated feedback terminals

use the designated feedback terminals to connect the 2k ohm potentiometer to your controller's analog input to track the 3/4-inch stroke position

The Eaton Cutler-Hammer E50DR1 is a heavy-duty plug-in limit switch head designed for high-performance industrial and HVACR environments

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

For counter-clockwise applications

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

Lennox 22K51 Control Board 319852-301 use the designated feedback terminalsThe 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