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Carrier 48XZ036090300 Expansion Valve
Your home AC system contains an expansion valve that makes it easier for the refrigerant to expand into its normal low-pressure gaseous form from a high pressure liquid state. A split-system AC unit would not produce cooled air if the expansion valve was broken.
Some clues that your Carrier expansion valve needs replacing
- AC takes too long to keep the house cool as it should
- The air is warmer than it used to be so as to feel comfortable in the house
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