How To Install PP Compression Fitting?


    Hold the center nut of a pp compression fitting with an adjustable wrench. Turn one of the two outer locking nuts counterclockwise with a second adjustable wrench. Turn the wrench until the outer locking nut is loose but do not take apart the fitting.

    Slide an end of a piece of poly pipe into the loosened side of the compression fitting. Slide the pipe until you feel the pipe bottom-out inside the fitting. Turn the locking screw clockwise with the adjustable wrench until it is tight. A tight locknut does not allow the pipe to move in the fitting body.

    Loosen the second locknut with the adjustable wrench. Slide the loose end of a second piece of pipe into the open side of the fitting. Turn the locknut clockwise to lock the second piece of tubing in the fitting body.

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