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International Comfort Products T8DNL075F16B1 Limit Switch
Limit switches exist due to the fact that if the air never warms up inside the exchanger then you will never get hot air through the ducts. The limit switch is a switch in the air handler that makes the determination if and when the air is actually warm enough for the air to begin normal home circulation.
What are some hints that my critical limit switch is in need of a replacement?
- Your system is starting to behave erratically time after time
- System refuses to start or run longer than 30 seconds
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