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Mitsubishi MSZ-A26YV Control Board
The control board is designed to direct everything including the gas valve, the ignition igniter, all the sensors as well as the air circulator all in one unit. HVAC systems will not run without this vital piece of hardware is configured and seated properly. Be absolutely sure when you choose a replacement because of the wide variety of brand and air handler types. The control board picked will need to pair with the part number from the brand and the model of air handler system you have.
Simple indications of a failing control board
- The entire system does not do anything whatsoever
- There is a strange code appearing somewhere on the circuit board
- Everything has to be reset frequently for the system to operate once again
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