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International Comfort Products TCA036AKA1 Ignition Control Board
The main reason to have an ignition control board is that it keeps an eye on the natural gas, the ignition sequence and the flame sensing circuits. It has always been a vital safety device that is now usually a standard part of the main board instead of a separate board.
Signs the ignition board will not last the year
- HVAC ignition cycle refuses to activate when called upon
- Any other potential problem within the heating and AC system is inspected and turns out to be acceptable
- The electrical signal from the primary thermostat never reaches the main board
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