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International Comfort Products T8MPV075F14A1 Limit Switch
The limit switch contains a sensor in the heat exchanger that decides when the air is actually warm enough so that it may be pushed through the ducts and out the vents. The reason limit switches exist is because if the air is too cool inside the furnace to begin with, then the house will never get warm enough.
What are the signs that the main limit switch really needs to be replaced?
- The whole system is starting to behave differently occasionally
- The heating and AC system refuses to start or run well even though the desired temperature has not been attained
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If you are going to be buying or purchasing do your best and make sure of the correct model as well as make a visual inspection in order to be sure the correct replacement limit switch is being ordered. There is no rule that says you have to replace the part all by yourself. Look for a professional in your community to do the job for you.
Feel free to download your manual for help.
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