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International Comfort Products GDJ075M16C2 Limit Switch
The main reason limit switches are made is 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 located in the furnace that can determine when the heated air is warmed to a point to activate the main blower.
Major clues of a bad critical limit switch
- The HVAC system is beginning to stop suddenly time after time
- The heating and cooling system is unable to start nor will it stay running even though the desired temperature has not been attained
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