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Trane TCP042F300AB Expansion Valve
An expansion valve facilitates in helping the refrigerant to expand back to its low-pressure vapor state from its highly pressured liquid form. An AC system would not generate and cold air with no functioning valve.
What to see if the main expansion valve is not working right?
- The cooling system takes a long time in its attempt bring down the temperature
- The cool flow of air is much warmer than the usual air streaming from the vents
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