Mini Split Line Set 16ft, 1/4 x 1/2 Insulated Copper

Mini split line set delivers a clean, reliable connection between indoor and outdoor HVAC units with thick copper tubing and triple-layer insulation for steady performance. This 16 ft dual copper pipe set is sized for common mini split air conditioners and heat pump systems, helping reduce kinks, protect the lines, and streamline installation. Includes key accessories to route, seal, and finish the pass-through with less guesswork.

• Fits 12,000–18,000 BTU mini split air conditioners and heat pump equipment using 1/4" + 1/2" line sizes


• Delivers 16 ft reach to connect indoor and outdoor units across longer runs without stressing the tubing


• Resists kinks with thick, ASTM-compliant copper designed to hold shape during bending and routing


• Protects lines with triple-layer insulation that helps reduce condensation while adding water and pressure resistance


• Includes install accessories like connection cable, drain hose, wall sleeve, covers, tie wraps, and sealing putty

Built for installers and DIYers who want a tidy, efficient mini split setup, this insulated copper line set helps keep refrigerant lines protected from abrasion, moisture, and temperature swing. Dual high/low pressure pipes are pre-sized for common system capacities, while the included finishing parts help you route through the wall and seal up the opening for a cleaner look. Stock up for your next HVAC install or replacement and grab yours today.

• Line set length: 16 ft / 4876.8 mm


• High-pressure pipe O.D.: 1/4 in / 6.35 mm


• Low-pressure pipe O.D.: 1/2 in / 12.7 mm


• Insulation: triple-layer insulation wrap


• System compatibility: 12,000–18,000 BTU mini split AC/heat pump


• Net weight (with accessories): 7.27 lb / 3.3 kg


• Package dimensions (L×W×H): 21.26×21.26×1.96 in / 540×540×50 mm


• Accessories: connection cable (18 ft), drainage pipe, tie wraps (2), decorative covers, wall sleeve, sealant putties (2)