
MRCOOL DIY® 5th Gen 25 ft. 1/4" x 3/8" Pre-Charged Quick Connect Line Set (for 6K - 9k - 12k Indoor Units)
MRCOOL DIY® 5th Gen 25 ft. 1/4" x 3/8" Pre-Charged Quick Connect Line Set (for 6K - 9K - 12K Indoor Units) The MRCOOL DIY® 5th Generation 25 ft. Pre-Charged Line Set is the standard line length for 6,000 -9,000 - 12,000 BTU mini split air handlers. Featuring 1/4" liquid and 3/8" suction lines, this set is pre-charged with R-454B refrigerant and uses MRCOOL’s patented Quick Connect fittings to ensure a safe, tool-free installation without the need for vacuum pumps or gauges. Built for performance, flexibility, and ease of use, this 25 ft. line set is ideal for MRCOOL 5th Gen single-zone systems with 9K - 12K heads or multi-zone systems where one of the zones includes a 6,000 BTU air handler. 🔧 Key Features Length: 25 feet – standard length for most mini split installs Line Sizes: 1/4" liquid line x 3/8" suction line – tailored for 6K - 9K - 12K indoor units Pre-Charged with R-454B – Environmentally friendly refrigerant sealed at the factory Quick Connect Fittings – Designed for