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Carrier 48HJF012 Expansion Valve
Expansion valves are used in AC systems and allows the coolant to spread back into gas state from its highly pressured liquid form. Your main AC unit would probably be the worst AC in the world with no functioning valve.
Hints of a worsening expansion valve
- The air conditioned air is definitely not as cold as it really should be blowing from the vents
- The outdoor AC unit takes its sweet time in its effort to keep the house cool as it should
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If you are going to be buying or ordering a replacement expansion valve for your Carrier 48HJF012, do your due diligence and double check the model number as well as make a visual inspection so that you are positive that the proper replacement expansion valve is the one being purchased. There is no rule that says you have to install the part by yourself. Hire someone with experience in your area to replace the part.
Feel free to download your manual for help.
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