HVAC and refrigeration tubing is measured by the outside diameter or O.D. of the pipe/tube. See description below for more details. Change your pipeline direction with our 90 degree 99.9% pure copper elbow ideal for potable water, air conditioning, and refrigeration systems (both residential and commercial systems).
Copper to copper solder piping connection fittings - 494 PSI maximum working pressure - for applications within a temperature range of -20°F to 400°F.
Lead-free, durable, and low-maintenance - resists corrosion and scaling.