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Friedrich MR12Y3H Control Board
The entire heating and cooling system will not run without the board installed. The control board is made to direct the gas valve, the igniter, the flame sensor as well as the blower all together. Be absolutely sure while picking a new replacement board because of the wide variety of systems. The board you choose should match the brand and the model of the unit in question.
How do you know when your control board is almost dead?
- Power to the circuit board has to be turned off and back on quite frequently for it to run correctly
- There seems to be a type of code shown on the board
- The heating and cooling system ceases to start well
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Before you decide on buying or purchasing any Friedrich MR12Y3H replacement part, do your due diligence and make sure of the correct model and also make a visual inspection so that you are positive that the correct replacement control board is being ordered. If you are unsure about the properly replacing the control board by yourself then it may be wise to contact a professional to do the replacement of the part.
Feel free to download your manual for help.
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