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Carrier 38YRA042 Expansion Valve
Every air conditioning system contains an expansion valve that lets the coolant to expand into its normal low-pressure vapor form from a liquid. The AC in a split system would not produce cooled air if the valve was not working.
Symptoms of a deteriorating main expansion valve
- The outdoor AC unit takes its sweet time to actually keep the house cool as it should
- The cooled air is much warmer than you are accustomed to being blown into the house
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If you decide on picking up or ordering a replacement expansion valve for your Carrier 38YRA042 do your best and double check the correct model and also make a visual inspection in order to be sure the proper replacement expansion valve is the one being purchased. There is no rule that says you have to replace the part all by yourself. Search for a pro locally to replace the part.
Feel free to download your manual for help.
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