Then you turn the tool with pliers to loosen the drain fitting. If your drain doesn't have crosshairs, you need a variation on the drain wrench called a drain extractor.
Also, be sure to get the right size of drain fitting for your drain shoe fitting. If you're not sure of the size of your tub drain, you can buy a kit that can be adapted to two drain sizes. If you are replacing a traditional lever-operated stopper, unscrew the cover plate on the over-flow opening and carefully extract the stopper's level rod and linkage from the opening. Immediately replace the overflow cover with the blank cover provided by the new stopper kit. Use the tub drain wrench to remove the existing drain fitting from the drain shoe.
Some tubs may have a strainer grid that first needs to be removed before you can assess the drain fitting. First, determine which end of the wrench will fit inside the drain opening and around the drain fitting's crosshairs.
Insert the wrench into the tub drain and align it with the crosshairs, then use channel-type pliers or an adjustable wrench to rotate the drain fitting counterclockwise and loosen the fitting. It will unthread from the tub shoe below the tub. Keep turning until the fitting comes free.
It is best to have a clean surface to work with, so be sure to remove as much of the putty as possible. Use the old fitting to determine the size of your drain. A bathtub drain converter kit often provides drain threads in two sizes to accommodate different tub drains. Select the appropriate thread attachment. Remove the tub stopper from the new drain fitting—often this is a matter of simply unscrewing it. Insert the fitting into the bathtub drain opening, making sure to center it.
Make sure to thread the fitting into the shoe carefully. If you have a lever stopper, take out the screws and then remove the overflow plate, linkage rod and plunger. You can then unscrew and remove the drain plate. You should now be able to see the drain flange, and you'll need to remove it before installing a new drain assembly. The easiest way to do this is with a specialized drain key. Turn the flange counter-clockwise until you can pull it out. You can buy a drain key relatively cheaply at most DIY stores.
Once the flange is out, carefully remove the plumber's putty around the drain with a putty knife. It's fine to rinse small putty particles down the drain, but you should dispose of any large pieces in the trash.
Take care while scraping the putty away to avoid scratching your bathtub. If the putty is stubborn to remove, applying some rubbing alcohol can loosen it. Start by rolling out a thin sausage-shaped piece of plumber's putty.
Then, place it around the perimeter of your new flange, pressing it down firmly to help create a secure, waterproof seal. Some bathtub drain assemblies come with a rubber gasket. If yours has one, install it around the edge of the drain and then place the new flange inside.
Using your drain key, screw the flange clockwise until you have a tight seal connecting the drain to the drain pipe. Avoid overtightening the flange, or it will be very difficult to remove when you next need to repair or replace it. If your new assembly has a separate bathtub drain stopper, connect it by twisting it clockwise into the flange.
You may need to attach it using screws, so take care not to drop them down the drain. Lever drains come with a plunger and linkage that you need to push into the overflow pipe. Every drain assembly has a slightly different installation protocol, so it's important to defer to the manufacturer's instructions. Both the Drain Key and the Smart Dumbell essentially work the same; you insert them into the drain and turn counterclockwise to release the old tub drain.
However, they are slightly different. For your convenience, we offer a complete tutorial for using these drain tools. Step 1 First, remove the stopper. There are several types of drain stopper, all of which can be removed very easily. Following the instructions for the tool, turn counterclockwise. Step 3 Keep turning drain counterclockwise until the old drain is released - it shouldn't take too many turns before the drain comes right out.
After a few minutes, the putty should be soft enough to try turning again. Step 4 Clean drain area, making sure to remove all old putty residue. Allow to dry before beginning installation of the new drain flange. Step 5 Underneath the tub will be a rubber gasket that creates a seal for the drain elbow. Check this gasket to make sure it is in good shape. If it's not, you'll need to replace it available below. To do so, use a flathead screwdriver to gently pry out the old gasket.
Try not to disturb the drain elbow while doing this: if the drain elbow becomes misaligned, you risk having to access the underside of the tub to realign the shoe and gasket.
Squeeze the new gasket into one side of the drain, then push the other side into place.
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