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DeLonghi PAC-W130E Expansion Valve
An air conditioner would not yield any cooled air when lacking a functioning expansion valve. A normal AC expansion valve lets the coolant to expand into its regular vaporous form from a high pressure liquid state.
Some clues your main expansion valve should need replacing
- The air conditioned flow is not as cool as it used to be comes through the ducts
- AC takes too long in its attempt cool the house down
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