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Carrier 50XP024300 Expansion Valve
The AC in a split system could not cool the air if it was deprived of a functioning expansion valve. An expansion valve makes it easier for the refrigerant to expand into its regular vaporous form from a high-pressure liquid form.
Simple indications of a poorly working main expansion valve
- The air is much warmer than it should be coming from the vents
- Your AC unit takes way too long to actually bring down the temperature
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