Engineered for high-performance HVAC applications, the Mueller Coiled Copper Lineset delivers unmatched durability, efficiency, and protection. This 50-foot copper lineset features a 3/8 inch liquid line and a 1-1/8 inch suction line, encased in 1/2 inch thick Duraguard UV-resistant, rip-proof insulation, providing superior resilience in demanding environments.

Ideal for both professional HVAC installers and DIY users, this premium lineset ensures long-lasting thermal integrity, reduced condensation, and enhanced energy efficiency in both residential and commercial settings.

Key Features:

• Size: 3/8" liquid line x 1-1/8" suction line x 50 ft length
• Insulation: 1/2" thick Duraguard insulation – UV resistant and rip-proof
• Material: High-grade seamless copper tubing
• Application: For use with HVAC systems, mini splits, air conditioners, and heat pumps
• Performance: Helps prevent energy loss, protects against weather, and extends the life of the system

Benefits:

• Withstands harsh outdoor elements with UV-resistant coating
• Thick insulation reduces heat transfer and prevents condensation
• Flexible and easy to install—perfect for tight or complex routing
• Trusted by professionals for reliability and consistent refrigerant flow

Whether you're replacing a worn-out line or installing a brand-new HVAC system, the Mueller Copper Lineset with Duraguard insulation offers the toughness, flexibility, and performance you need.