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Panasonic CS-KS12NB41 Limit Switch
A normal limit switch has a sensor in the heating area that makes the determination if and when the air is actually warm enough so that it may be pushed through the ducts and out the vents. Limit switches are crucial because if the air is too cool inside the furnace to begin with, then the house will never get warm enough.
Signals critical limit switch needs replacing ASAP
- The HVAC system will not start nor will it stay running longer that five minutes
- Your system begins to shut down unexpectedly on a regular basis
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