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International Comfort Products T8DNL100L20A1 Ignition Control Board
An ignition control board controls the gas valve, the igniter and other safety devices built into the system. It has always been a vital safety feature that, in most cases, has become a standard part of the main board instead of its own individual board.
Clues to watch for to know your ignition control board is going out
- Any other potential problem within the furnace is researched and comes to be acceptable
- The initial signal from the remote thermostat never reaches the main board
- Ignition sequence is unwilling to activate when it is supposed to
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