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Bryant 478 Ignition Control Board
The main ignition control board has control over the natural gas, the ignition timing and other safety devices built into the system. The ignition control board was always an important board that has now become a major component of the main board instead of having two separate boards.
Easy warnings of a poorly working Bryant ignition control board
- Everything else within the furnace is inspected and seems to be in good condition
- Initial sequence is unwilling to kick in even when the thermostat kicks it on
- The electrical signal from the home thermostat never gets to the main board
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Before buying or purchasing, do your due diligence and cross-check the correct model and also make a visual inspection so that you are positive that the correct ignition control board is the one being purchased. Installation of a new ignition control board can be quite easy assuming you possess the knowledge and have the tools to do it right.
Feel free to download your manual for help.
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