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International Comfort Products GDE100F20G1 Limit Switch
Limit switches exist because if the air never warms up the you will lose heat in the ducts and the vents will just blow cool air. A normal limit switch contains a sensor in the heat exchanger that determines when the air is warm enough to activate the main blower.
Key clues of a barely functioning limit switch
- The HVAC system begins to become inconsistent often
- The HVAC system will not initiate or run well like it should
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