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Haier HPAC99ER Expansion Valve
Air conditioning units could not cool the air if the expansion valve was totally worn out. Almost all AC systems have an expansion valve that permits the refrigerant to spread back into vapor state from a high-pressure liquid form.
Major clues your refrigerant expansion valve will not live much longer
- The outdoor AC unit takes its sweet time in its bid to keep things cool
- The cold airflow is much warmer than it really should be exiting the air handler
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