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Carrier 38EYA030 Expansion Valve
Every air conditioning system contains an expansion valve that lets the coolant to expand back to its low-pressure gaseous form from a liquid. An air conditioner could not cool the air if the valve was not doing its job.
Subtle hints your main expansion valve will soon need to be replaced
- Your AC takes its sweet time to actually bring down the temp in the house
- AC air production is definitely not as cold as than the usual air for the AC to cool the house
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