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International Comfort Products MF08B1500A1 Limit Switch
The main reason limit switches are made is because if the air never warms up then the house will never get warm enough. A normal limit switch has a sensor in the heating area that decides when the air is warm enough so that it may be pushed through the ducts and out the vents.
Important signs critical limit switch has very little life left
- The heating and cooling system will not even start or continue to run as it should
- Your system is starting to go through the startup sequence but stops quickly from time to time
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