MRCOOL DIY® 5th Gen 16 ft. 1/4" x 1/2" Pre-Charged Quick Connect Line Set (for 9K, 12K & 18K Indoor Units)

MRCOOL DIY® 5th Gen 16 ft. 1/4" x 1/2" Pre-Charged Quick Connect Line Set (for 9K, 12K & 18K Indoor Units) The MRCOOL DIY® 5th Generation 16 ft. Pre-Charged Line Set is the perfect solution for shorter HVAC installations involving 9,000 BTU, 12,000 BTU, or 18,000 BTU MRCOOL indoor units. With 1/4" liquid and 1/2" suction lines, this compact line set is pre-charged with eco-friendly R-454B refrigerant and sealed with MRCOOL's exclusive Quick Connect fittings — eliminating the need for vacuum pumps, gauges, or HVAC licenses. Whether you're setting up a single-zone DIY mini split or connecting to a multi-zone system, this 16 ft. line set provides a clean, secure, and reliable installation for close-proximity condenser-to-air handler configurations. 🔧 Key Features Length: 16 feet – ideal for tight installs or wall-mounted outdoor units Line Sizes: 1/4" liquid x 1/2" suction – built for 9K, 12K, and 18K BTU indoor units Pre-Charged with R-454B Refrigerant – No field charging or vacuuming needed Quick Connect Fittings – Patented DIY connection system for leak-free installation Durable Insulation – UV-resistant white sleeve with insulated copper tubing System Compatibility: MRCOOL DIY® 5th Gen single-zone 9K, 12K & 18K units MRCOOL Multi-Zone Condensers: Multi2-18K, Multi3-27K, Multi4-36K, Multi5-48K(Must match line set size to air handler BTU rating for multi-zone applications) ✅ Installation Notes Ideal when the indoor and outdoor units are located in close proximity For runs longer than 25 ft., use line set couplers and longer Pro Cable (sold separately) Ensure all connections follow MRCOOL’s installation guidelines and torque specifications MRCOOL DIY Direct is the most trusted source for MRCOOL systems, parts, and accessories nationwide. This 16 ft. pre-charged line set is the go-to choice for compact installations and efficient DIY performance without the hassle.