• Pre-charged with R454B refrigerant for efficient performance
  • Designed to handle 921 PSI pressures efficiently
  • Screw on quick connect valve allows easy installation
  • he MRCOOL DIY Ductless Split System Line Set is designed exclusively for use with MRCOOL DIY ductless mini splits. When a single standard size DIY Ductless Split System Line Set is not long enough, 2 standard DIY Ductless Split System Line Sets can be combined using a coupler to increase the desired length of the line sets. MRCOOL stands alone as the ONLY company with patented pre-charged line set valves that have been tested and certified by Intertek.

    Highlights

    • Increase length of line set by using a MRCOOL coupler to combine 2 standard line sets
    • 3/4 in. UV protective insulation sleeve
    • Simple to use screw-on quick connect valves
    • Quicker installation than conventional line sets by saving 7 installation steps
    • Rated to handle 921 PSI
    • Pre-charged with r454b refrigerant
    • Homeowners and contractors alike can be sure that their pre-charged installation will be faster, safer, and fully compliant with industry standards
    • Only compatible with MRCOOL DIY ductless split systems