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Carrier 50XZ048300 Expansion Valve
A split-system AC unit would be broken if the expansion valve was worn out. Expansion valves are used in AC systems and makes it easier for the refrigerant to expand back into its natural vapor state from a high-pressure liquid form.
Main clues the expansion valve will need to be replaced
- The cooled air is well below the temp it ought to be as it comes from the air conditioning unit
- Your AC unit takes a really long time in its effort to keep the house cool
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