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The AQUALINE 319-100 is a 1-inch copper street 45-degree elbow fitting used to change flow direction in copper piping systems. Street fittings accept a male sweat connection on one end and a female sweat socket on the other, eliminating the need for an additional coupling when transitioning between straight pipe and an angled run. Weighing 0.14 pounds, this compact fitting is suited for residential and light commercial plumbing, HVAC condensate lines, and hydronic piping. Licensed plumbers and HVAC technicians install this type of fitting during rough-in work and service repairs requiring directional changes in copper supply or drain lines.
This elbow is designed for use in 1-inch copper pipe systems where a 45-degree directional change is required. It is commonly installed in domestic water supply lines, HVAC refrigerant and condensate piping, and radiant heating loops. The street configuration is particularly useful in tight spaces where a standard fitting-to-pipe-to-fitting layout would add unnecessary length to the run.
Designed as an OEM-style replacement and standard fitting for 1-inch copper pipe systems using sweat-solder joint connections.
Installation is performed by a licensed plumber or qualified HVAC technician using a pipe cutter, deburring tool, flux, solder, and a torch rated for copper sweating. Shut off the water supply and relieve system pressure before cutting into any existing line. Follow all applicable IPC and local plumbing codes for joint preparation, flux application, and solder type, particularly on potable water systems where lead-free solder and flux are required. Allow the fitting to cool fully before restoring system pressure.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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