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Goodman ATUF374316 Expansion Valve
An AC system can not supply your house with cold air if the expansion valve was totally worn out. An expansion valve allows the coolant to expand back into gaseous form from a liquid.
Major warnings your main expansion valve needs replacing ASAP
- The cooled air is not cold enough as you are accustomed to so as to feel comfortable in the house
- AC takes forever to comfortably cool as it should
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