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Payne PY2PNB048130AA Expansion Valve
An AC would not yield any cooled air if the valve was not functioning. Every air conditioning system contains an expansion valve that allows the refrigerant to expand into its normal low-pressure gaseous form from a high-pressure liquid form.
Major signs of a declining refrigerant expansion valve
- Cold air is well below the temp it really should be as it comes from the air conditioning unit
- AC takes a long time to properly keep the home at a comfortably cold temperature
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