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International Comfort Products T9MPD100J20C1 Expansion Valve
Pretty much every air conditioning system has an expansion valve that allows the refrigerant to expand back into its natural gas form from its highly pressured liquid form. Your AC unit would produce no cooled air if it were lacking a functioning expansion valve.
General indicators that your your main expansion valve will have to be replaced
- The air conditioner takes its sweet time to actually keep the temperature down
- The cooled air is not as cold as it ought to be blowing from the vents
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