81W03 – CONTROL BOARD*

$219.36

The Lennox 81W03 Ignition Control Board is a reliable replacement part designed to manage ignition and heating cycles in Lennox furnaces. It features built-in diagnostics and safety controls, ensuring smooth, efficient operation across multiple models.

Only 4 left in stock

Description

Product Description: 81W03 Ignition Control Board

The Lennox 81W03 Ignition Control Board is a high-quality, OEM replacement designed to improve furnace performance and ensure safe and efficient operation. Compatible with multiple Lennox furnace models, this ignition control board manages the critical startup and heating cycle functions, ensuring smooth operation. Whether replacing older parts or upgrading your system, this board provides advanced functionality for better performance and reliability.

Features:

  • OEM replacement for Lennox furnaces, ensuring perfect compatibility.
  • Replaces older part numbers: 100973-02, 17W701, 78M47, 75M17.
  • Controls gas valve, blower motor, and igniter during furnace startup.
  • Built-in diagnostic LEDs for easy troubleshooting.
  • Enhanced safety features, including flame sensing and error detection.
  • Suitable for Lennox, Allied, Armstrong, and Ducane models.
  • Durable design for long-lasting performance.

This ignition control board ensures the smooth and reliable operation of your Lennox furnace, helping reduce downtime and maintenance costs. It’s easy to install and engineered for optimal system performance.