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Empire Comfort Systems GWT-35-2 Limit Switch
The limit switch contains a sensor in the heating area that senses, or governs, when the air is actually warm enough so that it may be pushed through the ducts and out the vents. This is important because if the air is too cool inside the furnace to begin with, then you will never get hot air through the ducts.
General warnings of a failing main limit switch
- The Empire Comfort Systems system begins to run erratically on more than one occasion
- The HVAC system will not begin the ignition sequence nor will it stay running even though the desired temperature has not been attained
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