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Friedrich MW09C1H Limit Switch
Limit switches are crucial because if the air never warms up then you will never get hot air through the ducts. A normal limit switch contains a sensor in the heat exchanger that senses, or governs, if and when the air is actually warm enough so that it may be pushed through the ducts and out the vents.
Red flags of a declining limit type switch
- The heating and AC system refuses to kick in or run like it ought to
- The HVAC system is beginning to go through the startup sequence but stops quickly on more than one occasion
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If you are going to be buying or purchasing a replacement limit switch for your Friedrich MW09C1H do your best and make sure of the model number and also make a visual comparison in order to be sure the right limit switch is being ordered. Use caution when you replace or install any part of a heating or cooling system. If there are any doubts about what you are doing then call a pro. Don't be sorry. Be safe.
Feel free to download your manual for help.
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