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Lennox G24-200 Limit Switch
This is important due to the fact that if the air never warms up inside the exchanger the you will lose all the heat as the air flows through the ducts. A normal limit switch has a sensor in the heating area that makes the determination if and when the air is actually warm enough that it can be circulated throughout the house.
Important hints limit switch needs to be replaced
- The system starts to runs spotty on a regular basis
- The HVAC system will not initiate or run well longer than 30 seconds
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