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International Comfort Products H8MPT100F14B1 Expansion Valve
Your main AC unit would most likely give you heated air when lacking a functioning expansion valve. Almost all AC systems have an expansion valve that lets the coolant to expand back to its low-pressure vaporous form from its highly pressured liquid form.
Some warnings your refrigerant expansion valve has little life left
- Cooled air is much warmer than it should be coming from the vents
- Your AC unit takes way too long in attempting to cool the indoors
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