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Reassemble and Test Faucet — Test for Leaks and Proper Function

Beginner

Part of project

How to Fix a Shower Diverter on a Tub Spout · Step 7 of 7

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In this video

Slide the trim sleeve back over the cartridge and onto the valve body. Re-attach the faucet handle, ensuring it is properly aligned, and tighten the set screw with the Allen wrench. Once everything is reassembled, slowly turn the water supply back on. Test the faucet by turning it on and off, checking for any drips from the showerhead or around the handle. The repair is complete when the faucet operates correctly with no leaks.

Goal: Complete the repair and verify it's successful

  • Turn the water back on slowly to check for leaks at the connections before turning it on fully. This can prevent a large spray if something isn't seated correctly.
  • These cartridges often have a temperature limit stop that can be adjusted. You can set this before putting the handle back on if you want to change the maximum hot water temperature.

Used in this video

  • Allen Wrench Set (brand: Husky, Tool Type: Hand Tools)To tighten the set screw on the shower handle.
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FAQs

Is replacing a tub spout diverter truly a beginner-friendly DIY project, and how long should it typically take?

Yes, fixing a leaking diverter by replacing the entire tub spout is considered beginner-friendly as it primarily involves simple removal and installation. Most DIYers can complete this project within 1-2 hours, assuming they have the correct replacement spout and tools readily available.

How do I ensure I purchase the correct replacement tub spout, especially regarding connection type and diverter mechanism?

First, you must determine if your old spout is threaded (screwed directly onto the pipe) or slip-on (secured by a set screw or O-ring) by examining its attachment point. Next, decide on the diverter style you prefer. Bringing the old spout to the store or taking detailed pictures can help ensure perfect compatibility.

The project lists several tools like a pipe wrench and hex key; are they all essential, and can I substitute any?

A pipe wrench or large adjustable wrench is crucial for threaded spouts, while a hex key set is necessary for many slip-on spouts. A utility knife is essential for cutting old caulk, and a caulk gun is needed for the new sealant. While some tools are specific, having the right ones ensures an efficient and proper installation.

What are the most common mistakes beginners make when replacing a tub spout, and how can I avoid leaks after installation?

A common mistake is not thoroughly cleaning and preparing the pipe with sandpaper before installation, which can compromise the new spout's seal. Another critical error is failing to apply a continuous bead of waterproof silicone caulk around the base where the spout meets the wall, which prevents water from seeping behind the wall.