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Lennox XC21-048 Expansion Valve
Air conditioning units cannot possibly cool the house if the valve was not functioning. Expansion valves are used in AC systems and allows the coolant to spread back into vapor state from a liquid.
What happens when my AC expansion valve has to be replaced?
- Air from the AC is definitely not as cold as it ought to be coming from the AC
- The cooling system takes way too long in attempting to cool the indoors
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