Mueller 3/8 inch x 3/4 inch x 35 ft Copper Lineset, 3/4 inch Insulation

The Mueller 3/8" x 3/4" x 35 ft Coiled Copper Lineset is built for dependable and energy-efficient HVAC installations. Featuring a 3/8 inch OD liquid line, 3/4 inch OD suction line, and protected with a thick 3/4 inch Duraguard UV- and rip-resistant insulation, this lineset is designed to deliver superior thermal performance in both residential and commercial applications.

Perfect for HVAC professionals and DIY installers, this high-quality copper lineset ensures efficient refrigerant transfer while reducing energy loss and condensation, making it ideal for air conditioners, heat pumps, and mini split systems.

Key Specifications:

• Liquid Line Size: 3/8 inch OD
• Suction Line Size: 3/4 inch OD
• Length: 35 feet
• Insulation Thickness: 3/4 inch closed-cell foam
• Insulation Type: UV- and tear-resistant Duraguard
• Material: Seamless, high-grade copper tubing

Top Features & Benefits:

• Heavy-duty 3/4" insulation provides maximum protection and energy efficiency
• UV- and rip-resistant coating extends lifespan in tough outdoor environments
• Flexible design allows easy routing in tight spaces
• Ready for installation in central HVAC units, ductless mini splits, and heat pumps