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International Comfort Products GNL100N16C1 Ignition Control Board
The main reason to have an ignition control board is that it checks out the natural gas, the ignition timing and all the flame sensing devices. It has always been a vital electronic circuit board that some manufacturers have decided to blend to be a major component of the main board instead of its own individual board.
Some clues of a declining main ignition board
- HVAC ignition cycle does not fire up even when the thermostat kicks it on
- Every other problem within the heating and AC system is looked at and turns out to be all right
- Signal from main thermostat does not reach the control board
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