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Carrier 48XZN060115300 Expansion Valve
The AC in a split system cannot possibly cool the house if the valve was not functioning. Every air conditioning system contains an expansion valve that permits the refrigerant to expand into its regular gas state from a high-pressure liquid form.
Major clues of a faulty refrigerant expansion valve
- The cold airflow is definitely not as cold as you are accustomed to as it comes from the air conditioning unit
- AC takes too long in its bid to cool the house down
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