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Lennox R22 Expansion Valve
Pretty much every air conditioning system has an expansion valve that permits the refrigerant to expand back into vapor state from a high-pressure liquid form. Your air conditioner could not emit cold air if it were lacking a functioning expansion valve.
Some warnings of a faulty AC expansion valve
- The air conditioned flow is not cold enough as it ought to be blowing from the vents
- Your AC unit takes forever in attempting to keep the house cool
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Before buying or purchasing a replacement expansion valve for your Lennox R22, do your due diligence and cross-check the correct model as well as make a visual inspection in order to be sure the right expansion valve is the one being purchased. If you are unsure about installing the expansion valve by yourself then it may be wise to contact a professional to do the work for you.
Feel free to download your manual for help.
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