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Kenmore 661624530 Limit Switch
A normal limit switch is a switch in the heating area that senses, or governs, if and when the air is warmed to a point so that it may be pushed through the ducts and out the vents. Limit switches were created because if the air is too cool inside the furnace to begin with, then you will never get hot air through the ducts.
Major symptoms limit type switch needs a replacement ASAP
- The HVAC system is beginning to become inconsistent on a regular basis
- System will not even start nor will it stay running longer than 30 seconds
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