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Carrier 58MTA080F10112 Limit Switch
Limit switches are built because if the warmed air is too cool the you will lose all the heat as the air flows through the ducts. The limit switch is a switch located in the furnace that determines if and when the air is warmed to a point to activate the main blower.
What are the indications that my limit switch most likely is about to stop working?
- System will not start or continue to run even though the desired temperature has not been attained
- The system starts to behave erratically occasionally
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