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International Comfort Products NDN6050FBG1 Ignition Control Board
The main ignition control board checks the gas valve, the igniter as well as other safety devices. It has been a very important device that is now usually a piece of the main circuit board instead of having two separate boards.
Some clues the major ignition board needs a replacement ASAP
- The electrical signal from the primary thermostat never reaches the control board
- Any other device within the heating and AC system is inspected and seems to be in good health
- Heating and cooling system can not begin even when called upon
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