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Carrier 50JZ030300 Expansion Valve
A normal AC expansion valve allows the refrigerant to expand back into gaseous form from a high-pressure liquid form. A split-system AC unit would probably be the worst AC in the world if the valve was missing.
Major indications your refrigerant expansion valve is dying
- AC unit takes its sweet time in its bid to cool the house down
- The cold airflow is much warmer than it used to be in order to feel comfortable
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