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International Comfort Products PGS048S120F Limit Switch
This is important because if the air is too cool inside the furnace to begin with, then you will never get hot air through the ducts. A normal limit switch is a type of sensor switch in the heat exchanger that senses, or governs, if and when the air is warm enough so that it may be pushed through the ducts and out the vents.
Hints limit switch needs to be replaced
- The HVAC system begins to shut down unexpectedly more often than not
- System will not even start nor will it stay running longer than 30 seconds
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