Heavy Duty Copper Tubing Extension for Mini Split Air Conditioning and Heat Pump Systems, 50 Ft Long, 1/4 and 3/8 Inch Outer Diameter Twin Lines, Thickened PE Insulation with Nuts, Refrigerant Coil Line for Ductless HVAC

Heavy-Duty Copper Tubing Extension for Mini Split HVAC, 50 ft
✔️ 50 ft twin lines: 1/4 in and 3/8 in O.D., thick PE insulation

This copper coil line set is designed for ductless mini split air conditioners and heat pumps, delivering reliable refrigerant transfer between indoor and outdoor units. Ideal for new installs or retrofit projects in commercial or residential spaces.

✅ Twin-line copper coil line set for ductless mini split systems and heat pumps
✅ 1/4 in and 3/8 in O.D. twin lines for wide compatibility
✅ Includes 50 ft run plus drain hose and insulation straps
✅ Thickened PE insulation with embossed film and flame retardant coating
✅ White color to blend with PVC covers

💡 What is a common use for copper line sets in mini split systems?

Here's a handy breakdown of its common roles:

• Handy for connecting outdoor and indoor units in ductless HVAC setups
• Helps minimize energy loss with insulated refrigerant lines
• Standard 1/4 in and 3/8 in O.D. fittings support many equipment brands
• Includes drain hose and insulation straps for easy install

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