Mueller Streamline 1/4 L 20 Type L Copper Tubing 20 Ft

Product Description

The MUELLER STREAMLINE 1/4 L 20 is a Type L medium wall copper water tubing in straight, hard temper form. It has a nominal size of 1/4 inch, an outer diameter of 3/8 inches, and comes in a 20-foot straight length. Type L copper tubing meets industry standards for medium wall thickness, making it suitable for water distribution systems where durability and pressure resistance are required. Licensed plumbers and HVAC technicians install this tubing in both new construction and retrofit applications. The hard temper designation means the tube holds its shape without bending, which is appropriate for straight runs and rigid installations.

This tubing is used in residential and light commercial water supply systems, as well as refrigeration and HVAC applications that call for Type L copper. The straight form is well suited for installations where pre-cut, rigid lengths simplify layout and reduce field cutting. Common applications include domestic hot and cold water lines, hydronic heating supply and return lines, and refrigerant line sets where copper is the specified material. Plumbers and HVAC technicians working on new installations or system repairs will find the 20-foot length practical for standard rough-in work.

Key Features

• Type L medium wall thickness for water and refrigeration service
• Hard temper copper holds shape on straight runs without additional support at close intervals
• 3/8 inch OD with 1/4 inch nominal sizing for compatibility with standard fittings
• 20-foot straight length reduces field joints compared to shorter sticks
• Copper construction resists corrosion and is compatible with solder, braze, and press-fit joining methods

Compatibility

Designed as an OEM-style replacement or new-installation copper tubing for residential and commercial plumbing and HVAC systems requiring 1/4 inch nominal Type L straight copper tube.

Installation Notes

Installation should be performed by a licensed plumber or HVAC technician in accordance with local plumbing codes and the International Plumbing Code (IPC). Shut off and drain the water supply or relieve system pressure before cutting into an existing line. Use a proper tube cutter to produce a clean, square cut, and deburr the end before joining with solder, braze, or approved press-fit fittings. Hard temper tubing cannot be bent in the field without annealing; plan runs to use elbows and fittings for direction changes.

Technical Specifications

• Tube Type: Type L Medium Wall
• Temper: Hard
• Nominal Size: 1/4 inch
• Outer Diameter: 3/8 inches
• Length: 20 feet
• Form: Straight
• Material: Copper

Standard Information

• Brand: MUELLER STREAMLINE
• Manufacturer Part Number: 1/4 L 20