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The PDM US gbw.un383412035b is a pre-configured insulated line set designed for unitary HVAC systems, combining a bare copper liquid line with a factory pre-insulated suction line. At 35 feet in length with a 3/8-inch liquid line, this line set is sized for common residential and light-commercial split-system installations. The pre-insulated suction line reduces field labor by eliminating the separate step of wrapping insulation on the job. HVAC technicians and refrigeration mechanics are the primary installers for this type of component.
This line set is suited for split-system air conditioning and heat pump installations where the air handler or evaporator coil is located indoors and the condensing unit is mounted outside. The 35-foot run accommodates typical residential setbacks between indoor and outdoor equipment. The bare copper liquid line and pre-insulated suction line ship together as a matched set, simplifying staging and installation. It is available in both black and white insulation finishes to match aesthetic or installation requirements.
Designed as an OEM-style line set for residential and light-commercial unitary split-system air conditioners and heat pumps requiring a 3/8-inch liquid line and a pre-insulated suction line.
Installation should be performed by a licensed HVAC technician or refrigeration mechanic following applicable mechanical codes. Shut down and recover all refrigerant from the system before disconnecting or connecting any refrigerant lines. Avoid kinking the copper tubing during uncoiling and routing, as kinks restrict refrigerant flow and cannot be field-repaired without cutting and re-flaring. All brazed or flared connections must be leak-tested before recharging the system.
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