Mueller Streamline® 7/8" x 3/8" Both Insulated HVAC Line Set – Copper Refrigerant Tubing

The Mueller Streamline® 7/8 x 3/8 Both Insulated Line Set is a premium, pre‑assembled copper refrigerant line set designed for reliable HVAC installations. Built with C12200 copper, this line set includes a 7/8" suction line and a 3/8" liquid line, both fully insulated for maximum efficiency and protection in residential and commercial systems.

Engineered for modern high‑pressure refrigerants like R410A, the line set features durable elastomeric insulation that resists UV, moisture, and outdoor wear. Each tube is factory‑flared, pressure‑tested, and ready for quick installation between the outdoor condenser and indoor air handler or evaporator coil.

Perfect for air conditioners, heat pumps, and mini‑split systems, Mueller Streamline® delivers dependable performance backed by industry‑leading manufacturing standards.

⭐ Key Features

• 7/8" suction line + 3/8" liquid line

• Both lines fully insulated for outdoor durability

• C12200 copper tubing for long‑term reliability

• Rated for R410A and high‑pressure HVAC systems

• UV‑resistant elastomeric insulation

• Pre‑assembled for fast installation

• Ideal for AC units, heat pumps, and mini‑splits

📐 Specifications

• Suction Line: 7/8" OD

• Liquid Line: 3/8" OD

• Material: C12200 copper

• Insulation: Dual insulated, UV‑resistant

• Application: Residential & commercial HVAC

• Refrigerant Compatibility: R410A, R22, R32

🏷 Vendor

Mueller Streamline®

📦 Product Type

HVAC Line Set