How To Replace Drain Pipe Under Bathtub

How to Replace Drain Pipe Under Bathtub

Replacing a drain pipe under a bathtub is not a difficult project, but it can be time-consuming. However, it is a necessary repair that can prevent leaks and water damage to your home. ### Tools and Materials Needed * Adjustable wrench * Basin wrench * Bucket * Caulk gun with silicone caulk * Channel locks * Hacksaw * New drain pipe * Old newspapers or plastic sheeting * Plumber's putty * Pry bar * Safety goggles * Screwdriver * Utility knife ### Steps 1.

Turn off the water supply to the bathtub.

There should be a shut-off valve located under the sink or in the basement. If there is no shut-off valve, you will need to turn off the main water supply to your home. 2.

Place old newspapers or plastic sheeting under the bathtub to catch any water that may leak.

Remove the old drain pipe.

Use the adjustable wrench to loosen the nuts that hold the drain pipe in place. Once the nuts are loose, you can use the basin wrench to remove the drain pipe. 4.

Clean the drain hole.

Use a wire brush to clean the drain hole of any debris. You can also use a degreaser to remove any grease or oil from the drain hole. 5.

Apply plumber's putty to the new drain pipe.

Roll the plumber's putty into a rope and then apply it to the end of the new drain pipe. The plumber's putty will help to seal the drain pipe and prevent leaks. 6.

Insert the new drain pipe into the drain hole.

Push the new drain pipe into the drain hole until it is flush with the bottom of the bathtub. 7.

Tighten the nuts that hold the drain pipe in place.

Use the adjustable wrench to tighten the nuts until they are snug. 8.

Reconnect the water supply to the bathtub.

Turn on the water supply and check for leaks. If you see any leaks, tighten the nuts on the drain pipe until the leaks stop. 9.

Apply caulk around the drain pipe.

Use a caulk gun to apply a bead of silicone caulk around the drain pipe. The caulk will help to seal the drain pipe and prevent leaks. 10.

Allow the caulk to dry completely before using the bathtub.

The caulk will typically take 24 hours to dry completely. ### Tips * If you are not comfortable working with plumbing, it is best to hire a professional plumber to replace the drain pipe under your bathtub. * If you have a cast iron bathtub, you will need to use a hacksaw to cut the old drain pipe. * If you have a fiberglass bathtub, you can use a utility knife to cut the old drain pipe. * Be careful not to drop any tools or materials into the drain hole. This can cause clogs and damage to your plumbing.