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Mitsubishi MUZ-GE15NA Expansion Valve
An AC would not produce cooled air when lacking a functioning expansion valve. An expansion valve permits the refrigerant to expand back to its low-pressure vapor state from a high-pressure liquid form.
Clues of a faulty main expansion valve
- Cold air is not as cold as you are accustomed to exiting the air handler
- Your cooling system takes too long in a bid to bring down the temp in the house
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