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Goodman GDH80453AX Expansion Valve
An air conditioning system would probably blow heated air if the expansion valve was either damaged or just not working properly. Your HVAC system expansion valve allows the refrigerant to spread back into vapor state from its highly pressured liquid form.
Indications your main expansion valve is going out
- The air is warmer than it ought to be coming out of the vents
- The air conditioner takes too long in a bid to bring down the temp in the house
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