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Friedrich VHA09K Control Board
The control board is designed to command the gas valve, the igniter, all the sensors as well as the air circulator all together. HVAC systems will not be able to function lest the circuit board is in connected and operational. The correct control board must have a matching part number consistent with both the brand and specific model of the unit you have installed. You must be careful upon choosing a board as a replacement due to so many small differences in particular brands and their models.
Do you know if your HVAC circuit board has a need to be replaced?
- Your system declines to do anything correctly
- The entire system needs to be reset frequently for it to run correctly
- When turned on, there is lit up error code shown on the control board
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