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International Comfort Products NAC242GKA1 Expansion Valve
An air conditioner would not generate and cold air without a working expansion valve. Your HVAC system expansion valve allows the refrigerant to expand into its regular vaporous form from a high pressure liquid state.
Main clues your main expansion valve is dead
- Air from the AC is definitely not as cold as you are accustomed to in order to feel comfortable
- Your AC takes its sweet time in its attempt cool all the rooms in your house
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