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  1. What is R22 Refrigerant?: Phase Out, Alternatives & More

  2. Refrigeration 101: Different Refrigerant Types - techtown

  3. What is R-410A Refrigerant (Puron Refrigerant)? - techtown

  4. U.S. Refrigerant Phase Out Chart & Info - techtown

  5. Alternatives to R-22 Refrigerants - techtown

  6. R22 refrigerant - techtown

  7. When and How to Adjust a Thermostatic Expansion Valve (TXV)

  8. refrigeration - techtown