59K21 | LB-90403A AHC1-2 Control Board | Lennox

The Lennox 59K21 CONTROL BOARD is a vital component for HVAC systems, providing reliable control over the system's functions. This board is designed to manage the operation of various components, including the blower, compressor, and thermostat, ensuring efficient and effective heating and cooling. The board is easy to install and compatible with Lennox HVAC units, making it a convenient and practical solution for both residential and commercial applications. Our HVAC supply store offers the Lennox 59K21 CONTROL BOARD at competitive prices, along with fast shipping and excellent customer support. Contact us today to upgrade your HVAC system with this high-quality control board and enhance its performance.