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The MUELLER STREAMLINE LS-583830-08EZ is a factory-insulated copper refrigeration line set built for residential and light-commercial HVAC installations. It ships as a matched pair of suction and liquid lines: a 5/8 inch OD suction line and a 3/8 inch OD liquid line, each wrapped in 1/2 inch thick insulation. The set is 30 feet long and features the EZ Pull jacket design, which allows the two lines to be separated and routed independently without fighting the insulation. This reduces labor time during pull-through and bend-and-route work in tight spaces. Licensed HVAC technicians are the primary installers.
This line set is suited for split-system air conditioner and heat pump installations in residential construction and light-commercial applications. The 5/8 x 3/8 inch OD sizing is a common configuration for mid-capacity split systems. The 1/2 inch insulation thickness provides improved condensation control compared to standard 3/8 inch insulated sets, making it a preferred choice in humid climates or applications where surface sweating on the suction line is a concern. The 30-foot length covers typical single-story and two-story residential runs.
Designed as an OEM-style replacement or new-installation line set for residential split-system air conditioners and heat pumps requiring a 5/8 x 3/8 inch OD copper line set with 1/2 inch insulation.
Installation should be performed by a licensed HVAC technician in accordance with local mechanical codes and manufacturer system requirements. Shut down and recover any refrigerant from existing systems before disconnecting old line sets. When routing, avoid sharp kinks in the copper tubing; use a tubing bender for bends tighter than a gentle curve. Braze connections per standard refrigeration practice and pressure-test the completed line set before pulling a vacuum and charging the system.
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