Ensure reliable ignition and system performance with the Lennox 21W14 (101029-01) Direct Spark Ignition Integrated Control Board. Engineered for precision and compatibility with select Lennox gas furnaces, this control board regulates key ignition and safety operations, including flame sensing, gas valve control, and combustion blower management. It features a direct spark ignition system, eliminating the need for a pilot light and improving energy efficiency. Whether you're replacing a failed board or performing a system upgrade, the 21W14 offers dependable operation and OEM-level performance.

Key Features:

OEM Lennox replacement for part number 101029-01

Direct spark ignition for efficient and reliable startup

Controls blower, inducer, gas valve, and flame sensor functions

Designed for seamless integration with compatible Lennox systems

Supports safe furnace operation through diagnostic and safety lockout features

Ideal for HVAC professionals and contractors, the Lennox 21W14 ensures your heating system runs safely and efficiently.