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Nordyne MS3BC048KA Ignition Control Board
The main reason to have an ignition control board is that it governs the natural gas, the ignition timing and all the flame sensing devices. It has always been a vital safety device that has now become a standard part of the main board instead of having two separate boards.
Important signs your ignition control board is going out
- The electrical signal from the primary thermostat never reaches the main board
- Initial sequence fails to begin when called upon
- Every other potential issue within the furnace checked out to be flawless
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