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Nordyne E3EB-017H Limit Switch
The limit switch is a switch in the heat exchanger that decides if and when the air is actually warm enough that it can be circulated throughout the house. Limit switches are crucial due to the fact that if the air inside the furnace is too cool the you will lose all the heat as the air flows through the ducts.
What are some hints that my main limit switch has a need to be replaced?
- Your system is beginning to behave erratically more than once
- System will not begin or run longer than 10 minutes
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