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        How to Solder Copper Pipe

        Soldering copper pipe calls for an acid-based solder. Use these step-by-step instructions to easily solder a fitting to a pipe.

        More in Home Improvement

        • Time

          15 Minutes

        • Price Range

          $1 - $50

        • Difficulty

          Easy

        Highlights:

        Step 1: Clean the Pipe

        Use emery cloth to clean the outside of the pipe where the connection will be made.

        Use emery cloth or a small wire brush to clean the inside of the fitting to be soldered onto the pipe.

        make sure pipe connection area is cleaned

        Courtesy of Cary Wiedman

        Step 2: Secure the Fitting

        Use a small paintbrush to apply flux to the inside of the fitting (Image 1).

        Secure the fitting to the pipe (Image 2).

        Step 3: Heat the Fitting

        Use the torch to heat the outside of the fitting (Image 1).
        Touch the tip of the solder to the joint of the pipe and its fitting (Image 2). The solder will melt right into the joint.

        After the solder has cooled, wipe away any excess, making sure that solder completely encircles the joint, with no gaps.

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