1/4″ × 1/2″ mini-split line set
Pre-insulated ACR copper, flared and ready to install. Fits common 12k–18k BTU systems. Available in 16 ft and 25 ft.
Ships in 3–5 business days
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- Line size1/4″ liquid × 1/2″ suction
- Lengths16 ft, 25 ft
- TubingC12200 ACR copper, pre-flared
- InsulationClosed-cell, both lines
- FitsCommon 12k–18k BTU mini-splits
- RefrigerantR-410A or R-454B compatible
About this line set
A 1/4″ × 1/2″ pre-insulated copper line set sized for mid-range single-zone mini-splits — typically 12,000 to 18,000 BTU. The ACR copper arrives flared and insulated on both lines, ready to route and connect on a standard flared system. Always confirm the correct diameter and length for your unit with the size calculator and your installation manual before buying.
What's in the box
- One insulated line set (1/4″ liquid + 1/2″ suction), in your chosen length
- Pre-flared ends
- Insulation on both lines
Good to know
This is a standard flared line set — see flared vs. quick-connect if you need a no-vacuum DIY option, and our install guide for step-by-step connection. The copper works with R-410A or R-454B systems; match your tools and charge to your unit's refrigerant.