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International Comfort Products PGMD30G0904 Limit Switch
A normal limit switch is a type of sensor switch in the heating area that decides if and when the air is actually warm enough for the blower to be activated. One big reason why limit switches are designed that way is due to the fact that if the air inside the furnace is too cool then the house will never get warm enough.
Signs main limit switch is in need of replacing
- The International Comfort Products system starts to become unpredictable time after time
- The heating and cooling system will not start or run even though the desired temperature has not been attained
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