Mini Split Line Set 50 Ft, 1/4 x 3/8 Insulated Copper

Mini split line set helps connect indoor and outdoor units while reducing heat gain and condensation with triple-layer insulation. This 50 ft insulated copper tubing kit includes matched 1/4 in and 3/8 in refrigerant lines for mini split air conditioners and heat pump HVAC systems. Thick-walled copper resists kinks during routing, making long runs and tight bends easier to handle during installation.

Built for long-distance connections, this mini split refrigerant line set supports tidy, protected routing through walls, attics, or crawl spaces. The paired high- and low-pressure copper tubes arrive insulated to help maintain stable performance and reduce sweating in humid conditions. Keep a dependable spare on hand for new installs or replacements so your HVAC project doesn’t stall waiting on parts. Grab yours today and finish your mini split hookup with a line set sized for common 12k-class systems.