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International Comfort Products GDJ125M20C1 Limit Switch
A normal limit switch has a sensor in the heat exchanger that determines if and when the air is warm enough to activate the main blower. A limit switch was crafted due to the fact that if the air inside the furnace is too cool then the house will never get warm enough.
Key symptoms of an unhealthy limit switch
- The heating and cooling system will not even start nor will it stay running for any length of time
- The system begins to runs spotty occasionally
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