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Carrier 42S Expansion Valve
Every air conditioning system contains an expansion valve that makes it easier for the refrigerant to expand back to its low-pressure gas form from a high pressure liquid state. An air conditioner can not run if it were lacking a functioning expansion valve.
What happens when my refrigerant expansion valve is on its last leg?
- The air conditioned flow is well below the temp it used to be in order to feel comfortable
- Your cooling system takes a long time in a bid to keep things cool
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