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Carrier 50XT-A36 Expansion Valve
The AC in a split system would not generate and cold air if the expansion valve was somehow damaged. Pretty much every air conditioning system has an expansion valve that permits the refrigerant to expand back into its natural vaporous form from a high pressure liquid state.
Red flags your main expansion valve is in dire need of a replacement
- AC air production is warmer than it really should be blowing from the vents
- Your cooling system takes its sweet time to properly bring down the temp in the house
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