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Desa B165A Control Board
The Desa B165A control board is created to oversee the gas valve, the igniter, the flame sensor as well as the air circulator all at once. Heating and cooling systems will not even operate unless this important circuit board is correctly installed. The correct control board should match both the brand and specific model of the unit you have installed. Be absolutely sure while choosing a new control board due to the vast differences in brand and air handler types.
Indications of a bad main board
- Could be an numbered code appearing on the circuit board
- The power to the system needs to be reset often for the thermostat to kick in
- AC or heating system does not operate whatsoever
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If you decide on picking up or ordering do your best and cross-check the correct model and also make a visual inspection so that you are positive that the right control board is being ordered. Make safety your number one priority when replacing parts in an HVAC environment. If you are unsure about the installation then you should call a pro. Don't be sorry. Be safe.
Feel free to download your manual for help.
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