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Friedrich MW36C3G Control Board
The control board is made to direct everything including the gas valve, the igniter, all the various sensors as well as the air circulator all in one unit. The entire heating and cooling system will not run at all lest the main control board is properly connected to the unit. It is of utmost importance upon choosing a board as a replacement because of the diversity of certain brands. The selected board will have a part number that will match the brand and the model of the system you have installed.
Signs of a worsening main circuit board
- There may be a type of code directly somewhere on the board
- Power to the circuit board has to be reset habitually for it to kick in
- The entire system cannot operate well
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