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Lennox CB28UH-042 Expansion Valve
The AC in your house could not emit cold air if the valve was not doing its job. Almost all AC systems have an expansion valve that makes it easier for the refrigerant to expand back to its low-pressure gaseous form from a high pressure liquid state.
What are the signs that the refrigerant expansion valve is not working right?
- AC unit takes its sweet time to properly keep the temperature down
- Cooled air is definitely not as cold as than the usual air blowing from the vents
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Before you decide on buying or purchasing a new Lennox CB28UH-042 replacement part, do your due diligence and double check the model number and also make a visual comparison so that you are positive that the proper replacement expansion valve is being ordered. The installing of the expansion valve is not difficult provided you have the know-how and have the proper tools to get it done.
Feel free to download your manual for help.
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