Lennox Y8437 Outdoor Control Board 17122000A19508
700 Nicholas BLVD Suite 105 Elk Grove Village IL 60007
chicago IL 60007
The Lennox Y8437 Outdoor Control Board, part number 17122000A19508, is an electronic control component designed for Lennox outdoor HVAC units, including compatible air-conditioning and heat-pump condenser systems. It receives operating signals from system controls and sensors, processes them, and coordinates functions such as the compressor, outdoor fan, and other electrical components. This control board helps maintain proper system sequencing, reliable operation, and communication between components.