Designed for MRCOOL DIY® 5th Gen mini‑split systems (9,000, 12,000, and 18,000 BTU), this 50‑foot copper line set includes both the refrigerant tubing and matching control cable, providing everything you need when your indoor and outdoor units are farther apart.

⚙️ Key Features

• Length & Sizing:

  • 50 ft total length—ideal for extended runs.

  • 1/4″ liquid line paired with 1/2″ suction line, matching the capacity of 9K–18K BTU handlers.

• Pre‑Charged Refrigerant:

  • Ships pre‑charged with eco‑friendly R‑454B (5th Gen), eliminating the need for vacuum pumps or gauge equipment.

• Quick‑Connect Fittings:

  • Factory‑sealed, tool‑free quick‑connect couplings for fast, leak‑free installation.

• Durable Construction:

  • UV‑resistant white insulation over kink‑resistant tubing, suited for outdoor exposure.

• Complete Kit:

  • Includes a full 50 ft DIY Pro control cable to power and connect the indoor unit.

✅ Compatibility & Benefits

• Designed for 5th Gen MRCOOL DIY® systems – single-zone units (9K, 12K, 18K) and compatible multi-zone units (e.g., Multi2–18K, Multi3–27K, etc.)

• Ideal where standard line sets (like 25–35 ft) don’t reach; can also be extended using MRCOOL couplers if needed

• Enables a fully DIY-friendly install—no refrigerant handling, vacuuming, brazing, or professional certification necessary

📏 Technical Specs at a Glance

🛠️ Benefits Summary

• DIY-friendly: Plug-and-play design means no HVAC tools or pro credentials required

• Extended reach: Perfect for installations with longer distances between units

• Reliable performance: Durable materials and leak-proof connectors ensure long-term system integrity