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International Comfort Products FBF075F16A1 Limit Switch
The limit switch contains a sensor in the heating area that makes the determination when the air is actually warm enough for the blower to be activated. A limit switch was crafted because if the air is too cool inside the furnace to begin with, the you will lose all the heat as the air flows through the ducts.
Symptoms main limit switch should be replaced
- Your system is beginning to run inconsistently more than once
- System will not start nor will it stay running longer than 10 minutes
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If you are going to be buying or purchasing, do your due diligence and make sure of the correct model and also make a visual comparison so that you are positive that the right limit switch is the one being purchased. Replacing a new limit switch is not difficult provided you know what you are doing and have the tools to do it right.
Feel free to download your manual for help.
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