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International Comfort Products GNE150J20A1 Limit Switch
A normal limit switch is a switch in the air handler that senses, or governs, when the air is actually warm enough for the main blower to kick in and circulate the air. The main reason limit switches are made is because if the air is not warm enough the you will lose all the heat as the air flows through the ducts.
Warnings main limit switch will eventually need to be replaced
- The HVAC system refuses to start or run like it ought to
- Your system is starting to erratically time after time
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