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Carrier 50JS018300 Expansion Valve
Almost all AC systems have an expansion valve that lets the coolant to expand back to its low-pressure gaseous form from a high pressure liquid state. An AC would be impossible to cool the home if it were to lack a properly working expansion valve.
What symptoms are present when the AC expansion valve is about to go out?
- Your AC unit takes forever in its effort to cool the home
- The cold airflow is well below the temp you are accustomed to in order to feel comfortable
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