Lennox 81W03 Ignition Control Board Ignition Control Board

Ignition Control Board

The 81W03 Ignition Control Board is designed to replace Lennox units. It has: Correct and functional model number printed on the exterior of the board. Has no missing pins. Correct part identification. Correct wire size and conductor gauge.

The 81W03 Ignition Control Board is designed specifically to fit select Lennox furnaces and heat-pumps. It has the necessary plug-ins for easy installation. If you are purchasing this Ignition Control Board as a replacement part, be sure to match it to the product model and serial number of your older furnace or heat pump listed below to ensure proper fit.

The 81W03 Ignition Control Board is designed to replace the one installed in your Lennox furnace. In order to avoid a dangerous situation, you should always replace this part if it has been tested and found to be faulty or will not work.

With this ignition control board, you won't have to replace the whole control panel, but instead just the part of it that's malfunctioning. Lennox Control Board

This part is a new aftermarket replacement part. It is designed to replace original manufacturer's part numbers: Lennox 81W03, F81W03. It replaces any Lennox 81W03 Ignition Control Board in your furnace.

--------------- The ignition control board is a part of the gas valve/inducer module. This board controls the power to all three burners and voltage compensation signal to microprocessor.

The ignition control board is located in the furnace. The ignition control board operates in conjunction with the flame sensor to provide on/off operation of the gas valve motor and limit ON time.