Ideal for installations where the outdoor condenser is up to 35 ft from the indoor unit, this line set is designed to work seamlessly with 5th Gen MRCOOL DIY mini-split systems (9K, 12K, and 18K BTU). It includes both refrigerant lines and control cable—making it a ready-to-go solution.

⚙️ Key Features

• Length & Sizing
  Comes in a single 35 ft kit, featuring a 1/4″ liquid line and a 1/2″ suction line—perfect for 9K–18K BTU units.

• Pre‑Charged with R‑454B Refrigerant
  Factory-sealed and charged with eco-friendly R‑454B, eliminating need for vacuum pumps or refrigerant gauges. 

• Quick‑Connect Fittings
  MRCOOL’s patented tool-free couplings allow for a fast, secure, and leak-resistant installation.

• Durable Insulation
  UV-resistant, kink-proof white insulation for reliable outdoor performance.

• DIY Pro Cable Included
  A 35 ft MRCOOL DIY Pro control cable is bundled with the kit for full turnkey setup. 

✅ Compatibility & Benefits

• System Compatibility
  Works with MRCOOL DIY® 5th Generation single-zone (9K, 12K, 18K) and compatible multi-zone setups when sized properly—one kit per indoor head. 

• DIY-Friendly Install
  Designed for non-professionals, the pre-charged and quick-connect design enables a truly plug-and-play installation.

• Expandable
  If longer runs are needed, multiple kits can be joined using MRCOOL quick couplers and extended control cable.

📏 Technical Specs at a Glance

🛠️ Benefits Summary

• Plug‑and‑Play Convenience: No need for vacuum pumps, refrigerant gauges, or HVAC credentials.

• Perfect Length: Ideal for 35 ft runs between indoor and outdoor units.

• DIY Pro Reliability: Durable insulation, leak-proof fittings, and bundled cable make it a complete kit.