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International Comfort Products PHAD30N1K1 Ignition Control Board
The purpose of the ignition control board is that it checks gas intake, the ignition sequence and all the flame sensing devices. It has always been a vital device that is usually a piece of the main circuit board instead of having two separate boards.
How do you know when your ignition control board is on its last leg?
- Any other potential problem within the furnace checked out to be OK
- The on-signal from the main thermostat does not show up at the International Comfort Products control board
- The ignition cycle is unwilling to start at all
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