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International Comfort Products PGAA36D1K1 Ignition Control Board
The main ignition control board controls the natural gas, the ignition sequence and some other sensors. It has always been a vital circuit board that, over the years, has merged to become a vital part of the main control board instead of having two separate boards.
Red flags of a declining major ignition board
- The primary ignition sequence is unwilling to commence when it is supposed to
- Any other problem within the heating and AC system is inspected and seems to be a-OK
- Signal from primary thermostat does not get to the main control board
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