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Carrier 38TZA048 Furnace Door Switch
The furnace door switch is a safety switch which inhibits the draft inducer and burner from starting so as to avoid injuries. Do not try to fix it, just have it changed at once if you suspect that it is not working.
Major warnings your furnace door switch needs a replacement ASAP
- The switch appears to be breaking apart
- The HVAC system does not operate whether the door is open or closed
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If you are going to be buying or purchasing, do your due diligence and cross-check the model number as well as make a visual comparison so that you are positive that the proper replacement furnace door switch is being ordered. You do not have to install the part by yourself. Pay a professional in your community to replace the part.
Feel free to download your manual for help.
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