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Mitsubishi PKA-A18HA Expansion Valve
A normal AC expansion valve lets the coolant to spread back into gas form from a high-pressure liquid form. Your AC would not generate and cold air if the expansion valve was either damaged or just not working properly.
Signals of a weakening main expansion valve
- The cooling system takes a really long time in its effort to cool the home
- The cool flow of air is not as cool as it should be being blown into the house
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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 so that you are positive that the right expansion valve is the one being purchased. If you are unsure about the installation of the expansion valve by yourself then it would be in your best interest to contact a professional to do the work for you.
Feel free to download your manual for help.
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