A bathtub spout diverter is a small yet crucial component that diverts water from the bathtub spout to the showerhead. Over time, this diverter can wear out or become clogged, causing water to flow from both the spout and showerhead simultaneously. This not only wastes water but also reduces the effectiveness of your shower. Fortunately, replacing a bathtub spout diverter is a relatively simple DIY project that can be completed in just a few hours with the right tools and instructions. In this article, we’ll guide you through the process of replacing a bathtub spout diverter step-by-step.
Step 1: Turn off the Water Supply
Before starting any plumbing project, it’s crucial to turn off the water supply to prevent any accidental flooding. Locate the shut-off valve for the bathroom, usually found near the sink or toilet, and turn it off. Turn on the bathtub faucet to release any remaining water.
Step 2: Remove the Old Spout Diverter
Once the water supply is off, you can begin removing the old bathtub spout diverter. Most diverter spouts are attached to the wall pipe with a set screw that’s located under a decorative cover plate on the spout. Use a small flathead screwdriver to pry off the cover plate, then remove the set screw with an Allen wrench or screwdriver. Some spouts are threaded onto the wall pipe and can be unscrewed counterclockwise by hand.
If your old diverter spout is stubborn and won’t budge, try applying some heat with a hairdryer or heat gun to loosen any caulking or sealant. You can also use a pipe wrench or pliers to help unscrew the spout. Be careful not to damage the wall or pipe during this process.
Step 3: Inspect the Wall Pipe and Threads
Before installing the new spout diverter, inspect the wall pipe and threads for any damage or corrosion. If there’s any damage, you’ll need to repair or replace the pipe before proceeding. If the threads are worn or corroded, use a wire brush or sandpaper to clean them.
Step 4: Install the New Spout Diverter
Once the wall pipe is clean and in good condition, you can install the new bathtub spout diverter. If your new diverter spout comes with a set screw, insert it into the wall pipe and tighten it with an Allen wrench or screwdriver. If your new spout is threaded, screw it onto the wall pipe by hand, then use a pipe wrench or pliers to tighten it. Be careful not to overtighten, as this can damage the spout or wall pipe.
Step 5: Test the Diverter
With the new spout diverter installed, turn on the water supply and test the diverter to make sure it’s working properly. Pull up on the diverter knob or lever to divert water to the showerhead, then push it back down to return the water flow to the spout. If the diverter isn’t working correctly, check the installation to make sure the spout is securely attached to the wall pipe and the set screw is tightened or the spout is threaded on correctly.
Step 6: Caulk the Spout
Once you’ve confirmed that the diverter is working correctly, caulk around the base of the spout to prevent water from seeping behind the wall. Use a silicone caulk that’s designed for bathrooms, and smooth it out with a caulk smoothing tool or your finger. Allow the caulk to dry for at least 24 hours before using the shower or bathtub.