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International Comfort Products NHP024GKA1 Ignition Control Board
The main reason to have an ignition control board is that it oversees the gas valve, the ignition timing and the flame sensing circuits. The ignition control board was always an important device that, in most cases, has become a piece of the main circuit board instead of its own individual board.
Warnings of an ineffective major ignition board
- Signal from home thermostat never does reach the main control board
- Any other problem in the system is inspected and turns out to be acceptable
- HVAC ignition cycle is unable to commence even when called upon
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