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International Comfort Products PYMC36G4 Expansion Valve
Your home AC system contains an expansion valve that allows the refrigerant to expand back into its natural gas form from a high-pressure liquid form. An AC would most likely give you heated air without a working expansion valve.
Major indications your main expansion valve is not going to last much longer
- Your AC takes a long time in its attempt keep the house cool as it should
- Cooled air is not cold enough as it really should be as it comes from the air conditioning unit
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