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International Comfort Products EF08B1500A3 Limit Switch
One big reason why limit switches are designed that way is due to the fact that if the air inside the furnace is too cool the you will lose all the heat as the air flows through the ducts. A normal limit switch has a sensor in the heat exchanger that senses, or governs, when the heated air is actually warm enough for the air to begin normal home circulation.
What to see if the limit switch is in need of a replacement?
- System will not initiate nor will it stay running as it should
- Your system is starting to become unpredictable frequently
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