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airheatman
airheatman, HVAC Technician
Category: HVAC
Satisfied Customers: 7996
Experience:  Furnace, A/C and heat pump specialist.
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I have a Lennox system r22 system not cooling properly. Low

Customer Question

I have a Lennox system r22 system not cooling properly. Low side 80psi high side 202 psi. Register temp drop is only 12 deg? What are causes? Expansion valve seems to be working. No Freon added for 7 years. That's the age of the unit, coils cleaned properly. No hard start cap. No noises from comp. Runs smooth. Any idea?
Submitted: 1 year ago.
Category: HVAC
Expert:  airheatman replied 1 year ago.
Hello. My name is ***** ***** I'll do my best to help. Let's get started and see what we can do.Sounds as though compressor valves are worn. High suction and low head .