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International Comfort Products GPSM36H100F Limit Switch
This is important because if the warmed air is too cool then the house will never get warm enough. A normal limit switch is a type of sensor switch located in the furnace that senses, or governs, when the heated air is warm enough for the main blower to kick in and circulate the air.
Major clues limit switch is failing
- Your system begins to stop suddenly more than once
- The heating and cooling system will not start or run longer that five minutes
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