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Carrier FV4BNF002000 Expansion Valve
Expansion valves are used in AC systems and lets the coolant to expand back into vapor state from a liquid. The AC in your house could not run if the expansion valve was totally worn out.
What signals that my refrigerant expansion valve is on its last leg?
- Your AC unit takes way too long in its bid to keep things cool
- Air flow is not as cold as it should be as it comes from the air conditioning unit
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