How to install a kitchen sink strainer basket

One of the final steps when installing a new sink in your kitchen is installing a kitchen sink strainer basket. A sink strainer basket acts as a guard to prevent large food debris and other objects from getting into your drain and clogging the drain pipe. Sink strainer baskets also seal around the sink drain to prevent water leaks. Sink strainer baskets are available at home improvement centres.

Clean the area around the sink drain with a rag to remove any dirt or debris. You want a smooth surface when installing the sink strainer basket to ensure a leak-free seal.

Pinch a small ball of plumber's putty out of the container and place the putty in the palm of your hand. Roll the putty between your hands until you have a short, 1/8-inch rope. Place the putty rope on the bottom of the sink strainer basket flange. The flange is the portion of the basket that sits around the circumference of the sink drain.

Place the sink strainer basket into the sink drain, pressing down slightly to seat the putty around the hole.

Take the rubber and paper washer that come with the sink strainer basket, along with the locknut, and go under the sink. Place the rubber washer over the sink strainer basket threads, and slide the paper washer over the threads. Thread the locknut onto the sink basket until it is hand tight against the washers and sink.

Ask a helper to place the handles of a pair of pliers into the cross hairs in the centre of the strainer basket. This will help keep the basket from turning as you tighten the locknut. Tighten the locknut another two turns with a pipe wrench.

Wrap plumber's tape around the bottom threads of the sink strainer basket. Position the end of your sink drain pipe under the basket, and connect the pipe to the basket with the pipe slip nut. Turn the slip nut another 3/4 turn with a pair of slip joint pliers. Go to the top of the sink and use a utility knife to remove the excess plumber's putty from around the strainer basket.

Things You'll Need

  • Rag
  • Plumber's putty
  • Pliers
  • Pipe wrench
  • Plumber's taper
  • Slip joint pliers
  • Utility knife
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About the Author

Kenneth Crawford is a freelance writer with more than 10 years of experience. His work has appeared in both print and online publications, including "The American Chronicle." Crawford holds an associate degree in business administration from Commonwealth College.