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International Comfort Products HXA460AKA1 Limit Switch
A normal limit switch is a type of sensor switch in the air handler that determines when the heated air is actually warm enough for the air to begin normal home circulation. The reason limit switches exist is due to the fact that if the air inside the furnace is too cool then you will never get hot air through the ducts.
Subtle hints critical limit switch will need replacing
- System will not start or run well longer than 30 seconds
- The HVAC system begins to become unpredictable occasionally
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Before you decide on buying or purchasing do your best and double check the model number as well as make a visual comparison in order to be sure the correct limit switch is the one being purchased. Some pros could be quite expensive to hire so you could call around to find a good deal if you want to pay bottom dollar.
Feel free to download your manual for help.
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