000-404

The Lennox Blower Control Board is a high-performance circuit board designed to manage and regulate the ignition and blower motor functions in high-efficiency heating systems. As a critical modulating control component, it acts as the central hub for your HVAC unit, coordinating the timing of the ignition sequence and adjusting blower speeds to ensure optimal airflow and consistent temperature distribution. This board is an essential replacement part for restoring reliable operation to your furnace or air handler, especially when experiencing issues such as a blower that won't start, inconsistent heating cycles, or ignition failure. It is engineered to maintain system efficiency by precisely modulating performance based on the specific heating demands of your home.
Type: HVAC Control Board
Size: Medium-sized electronic component
Application: Designed for use in residential and light commercial modulating furnaces and air handling units to control blower motor speed and ignition sequences.
Specifications: Modulating ignition logic, integrated blower motor relay, automated timing sequences for heating and cooling cycles, solid-state circuitry.