50' Mueller Lineset (7/8" x 3/8") 3/8" Insulation LS-783850

The Lineset (LS-783850) is a 50' copper tubing assembly from Mueller engineered for professional HVAC technicians who need reliability and performance in every installation. It features a 7/8" suction line and a 3/8" liquid line, each protected with 3/8" insulation to reduce energy loss, minimize condensation, and withstand UV exposure. Built for R410A refrigerant systems, this lineset provides smooth, efficient refrigerant flow and easy routing for clean, secure connections. Its rugged copper construction and flexibility make it ideal for both residential and light commercial applications where long-term dependability is essential.