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Payne PH1ZNA048000ABAA Expansion Valve
Every air conditioning system contains an expansion valve that allows the refrigerant to expand into its regular vapor form from a high pressure liquid state. An AC can not deliver properly cooled air if the valve was not doing its job.
Clues your refrigerant expansion valve needs a replacement ASAP
- Cold air is well below the temp it used to be coming from the air handler
- The outdoor AC unit takes a long time to properly keep the house cool as it should
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