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Carrier 38YSA030 Expansion Valve
Your AC unit can not deliver properly cooled air if it were to lack a properly working expansion valve. Every air conditioning system contains an expansion valve that permits the refrigerant to spread back into gaseous form from a high pressure liquid state.
Subtle hints your refrigerant expansion valve will need replacing
- Air from the AC is not as cool as it used to be coming from the AC
- Your AC unit takes a really long time to actually cool the indoors
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