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International Comfort Products NTN6075FBG1 Limit Switch
A normal limit switch is a type of sensor switch in the heating area that can determine when the air is actually warm enough that it can be circulated throughout the house. Limit switches exist because if the air is too cool inside the furnace to begin with, then you will never get hot air through the ducts.
Chief elements of a defective limit switch
- Your system is starting to runs uneven occasionally
- The heating and AC system refuses to kick in nor will it stay running longer than a minute
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