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Mitsubishi MSZ-09UN Limit Switch
A limit switch was crafted due to the fact that if the air never warms up inside the exchanger the you will lose heat in the ducts and the vents will just blow cool air. The limit switch is a type of sensor switch in the air handler that decides when the heated air is warm enough for the main blower to kick in and circulate the air.
Major signs of a poorly working main limit switch
- The heating and cooling system will not start or run for any significant length if time
- The whole system is starting to act weird frequently
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If you decide on picking up or ordering a new Mitsubishi MSZ-09UN replacement part, do your due diligence and make sure of the model number as well as make a visual comparison so that you are positive that the right limit switch is being ordered. If you are unsure about the correct way of installing the limit switch by yourself then it is probably best to contact a professional to do the work for you.
Feel free to download your manual for help.
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