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Friedrich MR24DY3F Furnace Door Switch
The job of the furnace door switch inhibits the draft inducer and ignitor from turning on so as to avoid injuries. Do not try to fix it, just have it replaced immediately if you can, if you find it to be faulty.
Clues the switch on your furnace door will soon need to be replaced
- The door mechanism looks eroded
- The HVAC system does not run with the door closed
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If you are going to be buying or purchasing any Friedrich MR24DY3F part, do your due diligence and cross-check the model number and also make a visual inspection so that you are positive that the right furnace door switch is the one being purchased. If you are not sure about the installation of the furnace door switch by yourself then it would be in your best interest to contact a professional to do the replacement of the part.
Feel free to download your manual for help.
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