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Carrier 58MTB120F10120 Expansion Valve
An AC would be impossible to cool the home if the valve was not present Your home AC system contains an expansion valve that allows the refrigerant to expand back into its natural vapor form from a high-pressure liquid form.
Simple indications poorly running main expansion valve
- The outdoor AC unit takes way too long in its attempt keep the house cool as it should
- The air conditioned air is definitely not as cold as you are accustomed to exiting the air handler
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If you are going to be buying or purchasing do your best and double check the correct model and also make a visual inspection in order to be sure the correct expansion valve is the one being purchased. Once you have the part to install it yourself. Hire someone with experience in your community to hire and install the part for you.
Feel free to download your manual for help.
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