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Carrier FV4CNB005 Expansion Valve
The AC in an HVAC system can not work right if the valve was worn out. A normal AC expansion valve permits the refrigerant to expand back to its low-pressure gas form from its highly pressured liquid form.
Key signs of a poorly working main expansion valve
- The outdoor AC unit takes too long in attempting to cool
- Air from the AC is well below the temp than the usual air exiting the air handler
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If you are going to be buying or ordering any Carrier FV4CNB005 part, do your due diligence and make sure of the correct model as well as make a visual comparison so that you are positive that the correct expansion valve is the one being purchased. Use a great deal of caution when you install any HVAC part. If you are unsure about the installation then you should call a pro. Don't be sorry. Be safe.
Feel free to download your manual for help.
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