How to Replace a Kitchen Sink

How to Replace a Kitchen Sink - Page 2

Replace a kitchen sink and transform your countertops. Learn the step-by-step instructions and the tools and materials needed to do the job right.



 How to Replace a Kitchen Sink

How to Replace a Kitchen Sink - Page 2

Replace a kitchen sink and transform your countertops. Learn the step-by-step instructions and the tools and materials needed to do the job right.

  • Step 2 : Install the faucet

    If you're going to reuse the faucet from the old sink, remove it and clean any caulk from the base of the faucet. Make certain the faucet isn't corroded beyond repair. This might be a good time to consider a faucet replacement/upgrade.

    Seal the joint between the faucet and the new sink with a bed of plumber's putty or silicone caulk. Shape the plumber's putty into a thin rope by rolling a ball between your hands. Apply the putty rope or caulk to the base of the faucet before you place it in the sink, and then tighten the mounting bolts or nuts to secure the faucet.

  • Step 3 : Install the strainer

    A strainer is a cup-like metal basket that fits into the drain opening. Some have a large lock nut that's threaded onto the strainer bowl; others that are designed to hold garbage disposers have a flange that locks on to the base of the strainer and is held in place by screws. Separate all of the parts of the strainer assembly, so you can identify them.

    Apply a 1/2-inch diameter roll of plumber's putty or a bead of silicone caulk to the underside of the flat portion of the top (called the strainer flange). From inside the sink, press the strainer into the sink opening. From the underside of the sink, press the rubber gasket onto the strainer followed by the paper gasket or friction gasket. Thread the lock nut onto the strainer and tighten with slip-joint pliers.

    Trim away the excess putty or caulk by running the edge of a screwdriver blade around the strainer flange. Tighten the nut a bit more until there is about 1/32 inch of putty between the sink and the strainer flange.

    Attach the flanged tailpiece (the first pipe section connected to the bottom of the strainer). The tailpiece usually comes with the strainer and has a nylon insert washer the goes between the tailpiece and the bottom of the strainer.

    Install the garbage disposer drain assembly by following the manufacturer's instructions, but don't install the disposer until after the sink is installed.

  • Step 4 : Install the sink

    Spring clips hold counter in place Nail the self-leveling spring clips to the edge of the countertop cutout.

    Space clips 1 inch from corners Place one clip an inch from each corner on all sides. Space the remaining clips evenly around the perimeter of the cutout.

    Secure sink so rim snaps into clips Lift the sink and place it into the countertop cutout so the rim will snap into the clips. The spring tension clip pulls the sink down to the countertop. Press down on the two sides of the sink so the bowl is snapped into position.

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