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International Comfort Products TNK075F14A1 Limit Switch
Limit switches exist because if the air is not warm enough the you will lose heat in the ducts and the vents will just blow cool air. The limit switch is a switch in the heating area that determines when the air is actually warm enough for the air to begin normal home circulation.
Key clues poorly running limit type switch
- The International Comfort Products system begins to become inconsistent more than once
- The heating and cooling system will not begin the ignition sequence or will not stay running longer than 10 minutes
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