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Mitsubishi MSZ-A18YV Limit Switch
Limit switches were created due to the fact that if the air inside the furnace is too cool then you will never get hot air through the ducts. A normal limit switch is a switch in the heating area that makes the determination if and when the air is warm enough so that it may be pushed through the ducts and out the vents.
Major warnings of an ineffective limit switch
- The heating and AC system will not begin the ignition sequence or run for any significant length if time
- The HVAC system is beginning to run erratically occasionally
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Before you decide on buying or purchasing do your best and make sure of the model number as well as make a visual inspection so that you are positive that the correct replacement limit switch is being ordered. Once you have the part to install the part by yourself. Hire a pro in your town or city to pay to install it for you.
Feel free to download your manual for help.
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