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Installing Tub Spout — Install the New Bathtub Spout and Diverter

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Bathtub Spout & Diverter Replacement: A Complete DIY Guide · Step 4 of 5

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In this video

Install the diverter spout replacement by fitting the threaded plastic pipe. Use teflon tape on the threaded fittings of the spout and then screw it on to the copper pipe and push in to the wall. Secure the spout by tightening the set screw with a Phillips head screwdriver.

Goal: Install new tub spout

  • Use plumber's grease or soap to ease the process of connecting the spout to the pipe

Used in this video

  • Phillips head screwdriver (brand: Unknown, Tool Type: Screwdriver, Power Source: Manual, Size/Capacity: Small, Durability: High, Cost: Low) · optional — Tightening the set screw
  • Sandpaper (brand: Unknown, Tool Type: Sandpaper, Power Source: Manual, Durability: Low, Cost: Low) · optional — Clean up the pipe before installing the tub spout.
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FAQs

How difficult is replacing a bathtub spout and diverter for a DIY beginner, and how long does it usually take?

This is a beginner-friendly project, often taking only 30-60 minutes. The most challenging part can be removing a stubborn old spout or ensuring a leak-free seal on the new one. No specialized skills beyond basic tool use are typically required.

Besides the listed tools and materials, are there any other essentials or helpful items I should have on hand?

It's highly recommended to have Teflon tape (pipe thread tape) for screw-on spouts, even if using plumber's putty for the base. A small bucket, rags, or a towel can also be useful for catching any residual water when the old spout is removed from the pipe. Having a flashlight can also help inspect the pipe.

What critical safety steps should I follow, especially regarding water and potential leaks?

Always ensure the main water supply to the bathtub is completely shut off before starting to prevent flooding. After installation, turn the water back on slowly and carefully inspect for any leaks around the spout connection immediately. Have towels ready to quickly address any drips or leaks.

What are the most common mistakes beginners make when replacing a bathtub spout, and how can I avoid them?

A common mistake is not thoroughly cleaning the copper pipe threads, which can lead to leaks. Another is overtightening the new spout, potentially damaging the pipe or spout itself; tighten firmly but not excessively. Ensure you use the correct type of sealant (Teflon tape or plumber's putty) for your specific spout type.

Transcript
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So there are many ways that these things can go on. It's a universal kit. Mine is a half-inch bare copper. You may have half-inch threaded or three-quarter-inch threaded but they give you all the parts for each of these different ones. I'm just wrapping Teflon tape around these threaded fittings and then I'm gonna just screw it all together and push it onto the wall. Alright I put this little piece of pipe back into the spout and twist it. I'm gonna make sure that that screw is sticking in that position so when I tighten it to the pipe everything goes nice and tight. So before I put that cup stop back on I'm just gonna take some sandpaper kind of clean up the pipe so it's smoothly my o-ring in there. It doesn't twist and what not. It goes on nice and smooth. I'm also gonna use as a lubricant. I'm gonna use some soft soap. You can use published grease swear. With everything done it should be a matter of sticking this back on the pipe pushing in gently. So now with this new spout secured onto the pipe I just need to tighten the set screw underneath it's a Phillips head. Well it's

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