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Mueller pre-insulated copper lineset is a pair of copper pipes (a liquid line and a suction line) used to connect an outdoor air conditioning or heat pump unit to an indoor air handler. 50-foot length allows for long-distance runs, and the pre-installed foam insulation prevents energy loss and condensation.
Why Pre-Insulated Linesets are Used Efficiency: The built-in thermal insulation stops heat from transferring into or out of the refrigerant as it travels, maintaining system efficiency. Moisture Control: The insulation prevents condensation from forming on the cold suction line, which could otherwise drip and damage walls or floors. Faster Installation: Since the insulation is already applied, installers and DIYers save time on the job.
Key Features Dual Pipes: The set includes a smaller high-pressure "liquid line" and a larger low-pressure "suction line" (or gas line). Pure Copper: Made with high-quality, seamless copper designed to safely hold the high pressures of modern refrigerants like R-410A, R-32, and R-454B
