3/8" x 3/4" x 1/2" 35' Duraguard Mini-Split Copper Line Set

Mueller 612205350C Duraguard 35' Mini-Split Copper Line Set

The Mueller 612205350C Duraguard Line Set is designed for dependable refrigerant piping in ductless mini-split installations. This assembly includes a 3/8" outside diameter liquid line and a 3/4" outside diameter suction line, both manufactured from high-quality copper tubing. Each line is factory-insulated with a 1/2" thick wall to maintain thermal integrity, limit energy loss, and control surface condensation. With a total length of 35 feet, the set offers sufficient coverage for most residential layouts and light commercial applications while ensuring reliable flow characteristics and straightforward installation.

• System Use: Mini-split HVAC installations
• Total Length: 35 feet
• Liquid Line Size: 3/8" O.D. copper
• Suction Line Size: 3/4" O.D. copper
• Insulation: 1/2" wall thickness, factory applied
• Primary Material: Copper tubing
• Purpose: Efficient refrigerant transfer with thermal protection and moisture control