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International Comfort Products HAC424AKA1 Expansion Valve
Your main AC unit would probably blow heated air without a properly functioning valve. Your home AC system contains an expansion valve that allows the coolant to expand into its regular vapor state from a high-pressure liquid form.
Clues to watch for to know your main expansion valve is going out
- Your AC takes a long time to properly keep the house cool
- Air flow is definitely not as cold as it really should be coming out of the vents
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