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International Comfort Products TNK075F14A1 Ignition Control Board
The main reason to have an ignition control board is that it regulates the main gas intake valve, the ignition sequence and some other sensors. The ignition control board was always an important circuit board that some manufacturers have decided to blend to be a piece of the main circuit board for safety reasons.
Cues poorly running main ignition board
- Any other problem throughout the system checks out a-OK
- HVAC ignition cycle refuses to activate when it receives a proper signal
- Communication from the home thermostat never turns up at the main control board
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