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International Comfort Products H9MPD125L20B1 Expansion Valve
Almost all AC systems have an expansion valve that allows the coolant to expand back into its natural vaporous form from a high-pressure liquid form. Your main AC unit would most likely give you heated air if the expansion valve was either damaged or just not working properly.
Clues your main expansion valve has very little life left
- AC air production is not as cold as you are accustomed to comes through the ducts
- Your cooling system takes its sweet time to comfortably cool as it should
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