Test Your Knowledge Against a Journeyman Plumber with This Quiz!

How can you connect a drain pipe to a lavatory arm at a 90-degree angle?

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Correct Incorrect A sanitary tee is perfect for creating 90-degree angles in your piping setup. It also works well for connecting vent stacks or vertical risers.

How can you connect a drain pipe to a lavatory arm at a 90-degree angle?

With an upright wye wrench
With a bend fitting
With a sanitary tee
With a wye wrench

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