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How to Tell What Refrigerant is in an AC Unit!
In This HVAC Video, I go over How to Know What Refrigerant Freon is in the Air Conditioner, Heat Pump, or Refrigerator. I explain the difference in Pressure and Saturated Temp Readings when the System is Off and Equalized. I explain the difference in readings of the Gauge Set between R-22, R-410A, M099, R-407C, NU22B as well as when Noncondensables are mixed in the system. I also explain what a severe leak looks like.
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