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International Comfort Products NAC042AKA1 Expansion Valve
An expansion valve lets the coolant to expand into its normal low-pressure vapor form from its highly pressured liquid form. Your AC unit would not generate and cold air if the valve was not functioning.
Red flags the expansion valve will not live much longer
- The cold airflow is much warmer than it should be comes through the ducts
- Your AC takes way too long trying to cool as it should
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If you are going to be buying or purchasing, do your due diligence and make sure of the model number and also make a visual comparison in order to be sure the correct replacement expansion valve is the one being purchased. If you are not sure about the correct way of installing the new expansion valve by yourself then it is probably best to contact a professional to do the work for you.
Feel free to download your manual for help.
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