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In this HVAC Training Video, I Show Examples of Formicary Copper Corrosion on HVAC Line Set Tubing Connected to a Mini Split Air Conditioner/Heat Pump. This System Leaked Almost All of The Refrigerant Out of These Pin Hole Leaks! I Explain the Causes of Corrosion and What Steps Can Be Taken to Try to Avoid New Systems From Leaking Several Years ...
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