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Friedrich MW36C3G Limit Switch
A normal limit switch is a type of sensor switch located in the furnace that makes the determination when the air is actually warm enough to activate the main blower. The reason limit switches exist is because if the air never warms up then you will never get hot air through the ducts.
Easy warnings limit switch is not going to last much longer
- The heating and cooling system will not start or run longer than a minute
- The system starts to become inconsistent more than once
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