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International Comfort Products PGMD48H135C Ignition Control Board
The ignition control board is a safety device that may control the gas valve, the ignition timing and the flame sensing circuits. It has been a very important device that, in most cases, has become a vital part of the main control board for the sake of being more efficient.
Major signs of an unhealthy main ignition board
- Initial sequence refuses to kick in when called upon
- Any other problem within the furnace is explored and ends up being flawless
- Communication from the primary thermostat never reaches the main control board
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