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Goodman ARUF193116CA Limit Switch
The limit switch is a type of sensor switch in the heat exchanger that decides if and when the air is warm enough to activate the main blower. Limit switches were created 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 the signs that the limit switch is not working right?
- The heating and cooling system is unable to start nor will it stay running for any significant length if time
- Your system is starting to behave differently repeatedly
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