This essential component ensures seamless operation and optimal performance of your MRCOOL ductless mini-split system
it’s the ideal choice for efficient performance and true DIY installation
Restores System PerformanceReplaces faulty or damaged boards to bring your system back to full operational capacity
These couplers provide a reliable and efficient solution for extending your system
ensuring optimal air quality and system performance
MRCOOL DIY® 5th Gen 35 ft. 1/4" x 3/8" Pre-Charged Quick Connect Line Set with DIY Pro Cable (for 6K - 9k - 12k Indoor Units) Cooling Only This essential component ensures seamlessMRCOOL DIY 5th Gen 35 ft. 1 4" x 3 8" Pre Charged Quick Connect Line Set (for 6K 9K 12K Indoor Units) Extend your installation reach with the MRCOOL DIY 5th Gen 35 ft. Pre Charged Line Set, designed for use with 6,000 9,000 12,000 BTU MRCOOL mini split indoor units. Featuring 1 4" liquid and 3 8" suction lines, this set arrives pre charged with eco friendly R 454B refrigerant and includes Quick Connect fittings for a fast, safe, and truly DIY friendly