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International Comfort Products T9MPT100J16B1 Limit Switch
The limit switch contains a sensor in the air handler that makes the determination if and when the air is warmed to a point so that it may be pushed through the ducts and out the vents. The main reason limit switches are made is due to the fact that if the air inside the furnace is too cool then the house will never get warm enough.
Indications of a laboring limit switch
- The heating and cooling system will not begin the ignition sequence or run well like it should
- The HVAC system is starting to run inconsistently often
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Before buying or ordering do your best and make sure of the correct model and also make a visual comparison so that you are positive that the correct limit switch is being ordered. Replacing the limit switch is a piece of cake if you possess the knowledge and have the tools to do it right.
Feel free to download your manual for help.
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