Lennox 50A66-123-04 Furnace Control Board for Single-Stage HVAC Systems Don't add The General Electric THQL2150 is

The General Electric THQL2150 is a 50-amp

or floating point operation

The Banner AT-GM-13A Safety Relay Module is designed for monitoring two-hand control buttons in machine safety applications

Panel or Machine Mounting: Suitable for direct installation on equipment frames

Lennox 50A66-123-04 Furnace Control Board for Single-Stage HVAC Systems Don't add The General Electric THQL2150 isDescription The Lennox 50A66 123 04 is an OEM furnace control circuit board designed to manage critical functions in single stage residential heating systems. This Lennox branded part orchestrates ignition, safety monitoring, and fan control to ensure consistent and safe furnace operation. Its primary application is as a direct replacement control board for compatible Lennox and White Rodgers furnaces. Technical Specifications Condition New Never Used