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SPT WA-8070E Ignition Control Board
The main ignition control board checks the gas valve, the ignition ignitor and other safety devices built into the system. It is an important electronic circuit board that some companies have moved to be a major component of the main board instead of having two separate boards.
Clues of a declining ignition control board
- Initial ignition sequence is unable to fire up no matter what
- Any other device within the furnace is inspected and seems to be in good health
- Signal from main thermostat does not show up at the control board
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