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International Comfort Products H2A336GKA100 Ignition Control Board
The main reason to have an ignition control board is that it regulates the main gas intake valve, the ignition timing and all the flame sensing devices. The ignition control board was always an important device that, over the years, has merged to become a piece of the main circuit board for the sake of being more efficient.
Key clues of a defective ignition board
- Everything else within the furnace is inspected and turns out to be in fine condition
- Signal from remote thermostat never gets to the control board
- Ignition sequence refuses to kick in at all
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