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 easy, leak-free DIY installation
Durable & Flexible – White UV-resistant sleeve with insulated copper tubing
