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The DIRECTEDAIR da019lt-04 is a long radius 90-degree copper elbow fitting designed for refrigerant and HVAC line set applications. Built entirely from copper, this fitting connects 3/8-inch copper tubing on both ends and follows a long-radius sweep to reduce flow restriction and minimize pressure drop through the bend. The long-radius geometry also reduces stress on the tubing wall during installation. HVAC technicians and refrigeration mechanics specify long-radius elbows when routing line sets through tight spaces where abrupt direction changes must be avoided without sacrificing system efficiency.
This fitting is suited for residential and light commercial HVAC and refrigeration installations where 3/8-inch copper tubing is used in suction, liquid, or discharge line routing. It is appropriate for both new construction and retrofit work requiring a reliable, code-acceptable direction change in a copper line set. HVAC technicians install this fitting using standard brazing or soldering procedures consistent with industry practice.
Designed as an OEM-style replacement or new-installation fitting for HVAC and refrigeration systems using 3/8-inch copper tubing.
Installation should be performed by a licensed HVAC technician or refrigeration mechanic. Isolate and recover any refrigerant from the system before cutting into an existing line. Use proper brazing alloy and flux rated for copper-to-copper joints, and follow local mechanical codes and ASHRAE guidelines for open-flame work. Protect adjacent materials from brazing heat using appropriate shielding.
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