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International Comfort Products TCH Ignition Control Board
The main reason to have an ignition control board is that it checks out the gas valve, the ignition sequence and other important devices. It has always been a vital safety feature that has now become a piece of the main circuit board instead of its own individual board.
How do you know if your chief ignition control board is in need of replacing?
- Every other problem within the furnace checked out to be in good health
- Signal from thermostat does not make it to the control board
- The main ignition cycle refuses to launch even when the thermostat kicks it on
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