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Remove Old Valve Body and Gaskets — Remove the Old Shower Diverter Valve

Beginner3 hours

Part of project

Shower Diverter Installation: Switch Water Between Tub & Showerhead · Step 2 of 5

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In this video

Using a screwdriver, remove the two screws that hold the old valve body onto the plumbing nipples. Once the screws are out, the entire valve body can be pulled straight off. Afterward, use the tip of the screwdriver to carefully pry off the old rubber gaskets from the nipples, ensuring the surface is clean.

Goal: Remove the old valve components

Used in this video

  • Screwdriver (Tool Type: Screwdriver, Screwdriver Type and Size: Flathead) — Removing the screws holding the valve body and prying off old gaskets.
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FAQs

Beyond a screwdriver and Teflon tape, what other tools or materials might I unexpectedly need for this shower diverter installation?

While a multi-screwdriver and Teflon tape are essential, it's wise to have an adjustable wrench or pliers on hand for securely tightening the new diverter. You might also find a utility knife useful for cutting away old caulk, and a flashlight to better see into tight spaces.

What should I do if I can't find the shut-off valves for my shower or entire house?

If you can't locate local shut-off valves for your shower, you'll need to turn off the main water supply to your entire house. This is typically found near your water meter or where the main water line enters your home. Always ensure the water is completely off before starting work to prevent flooding.

I've installed the new diverter, but it's leaking when I turn the water back on. What's the most common reason for this?

The most common cause for leaks after installation is insufficient tightening or improper application of Teflon tape. Ensure you've wrapped the Teflon tape clockwise around the threads 3-5 times, and gently but firmly tighten the diverter valve with a wrench or pliers until snug, without over-tightening.

Is this really a beginner-friendly project, and can I realistically complete it in 3 hours?

Yes, this project is generally beginner-friendly as it primarily involves unscrewing and screwing parts. The 3-hour estimate is reasonable for someone with basic DIY skills, but prepare for potential delays if old parts are stuck or if you need to locate a main water shut-off.

Transcript
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You would think you'd have to put the whole valve on with new supply lines from here back. But you really don't. Because all these valves are the same and it's just as easy as taking a couple of screws out and this pulls it right off. When you're old valve first, make sure your o-rings are good and all your fittings are good. They're not dripping or leaking or anything. That's just a residual water coming out of the line, nothing to worry about. And then I just take my new valve, do the same thing, take the screws out. And these are all pretty much universal fittings. These laundry valves. I'm going to take the old gasket off from here.

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