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International Comfort Products VNE125J20A1 Limit Switch
The limit switch is a type of sensor switch in the heat exchanger that determines if and when the air is actually warm enough to activate the main blower. The reason limit switches exist is because if the air is too cool inside the furnace to begin with, the you will lose all the heat as the air flows through the ducts.
Some warnings limit type switch is going out
- The HVAC system starts to act weird frequently
- Your International Comfort Products system will not even start or will not stay running longer that five minutes
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