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Bryant 330AAV Expansion Valve
A split-system AC unit would not yield any cooled air if the valve was not present Almost all AC systems have an expansion valve that allows the refrigerant to expand into its normal low-pressure gaseous form from a high-pressure liquid form.
Some warnings your main expansion valve is going to die
- Your cooling system takes its sweet time trying to cool your home
- Air flow is not as cool as it really should be coming out of the vents
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