How to Replace a Sink Strainer

If you notice a leak around a sink drain hole, you may be able to fix it simply by loosening the strainer from underneath and applying fresh plumber’s putty under the lip. Often , however , the strainer itself is corroded–it may break apart as you pry up. Replacement is simple and inexpensive.

You can find two kinds of basket strainers: 1 secured by a lock nut, as well as the other held by a plastic retainer and three screws. The lock-nut type is generally used for stainless-steel basins because the lock nut tightens contrary to the sink without bending the kitchen sink metal.

To remove an old strainer, 1st detach the tailpiece. Then remove the lock nut or detach the particular retainer screws and pry the strainer out.
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When installing the lock-nut strainer, first seal the opening. Turn off the water supply. Remove all old putty from throughout the drain opening in the sink and dry it out completely. Apply a 1/8-inch bead of plumber’s putty to the flange of the opening and place the strainer body with the opening, pressing down firmly so the putty spreads evenly.

To secure the particular strainer, place the rubber washer and the metal washer onto the strainer body. Then screw on the locking mechanism nut finger-tight to hold the strainer while you work underneath the sink. Put the handles of pliers into the crosspieces of the strainer and slide a screwdriver between the handles. Hold onto the particular screwdriver with one hand to immobilize the strainer while you tighten the lock nut.

Tightening the locking mechanism nut comes next. Tighten the strainer several turns more, using a 14-inch pipe wrench or a sludge hammer and wood dowel. Brace the dowel against one of the grooves of the lock nut and tap it with the hammer. Do not over tighten up the lock nut because you might distort the metal parts or crack the ceramic.

If the tailpiece is worn or corroded, change it. Otherwise, fit the strainer sleeve over the existing one, plus secure it by tightening the coupling. Then tighten the capture coupling. Wipe away excess putty with a soft cloth. Turn on the water and check to be sure there are simply no leakages.

Finally, it’s time to install your retainer-type strainer. Put the strainer body into the puttied opening, then attach the rubber and metallic washers from underneath as for the locknut strainer. Fit the retainer on to the strainer body and turn it until the ridges on the side of the remove fit into the grooves of the retainer. Twist to lock it in position, then tighten the retainer anchoring screws. Connect the tailpiece as you would for a lock-nut strainer.

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