Skip to main content

Turn on Water and Test — Final Check and Verification

Beginner2 hours

Part of project

Fix Leaky Toilets: A Step-by-Step Guide to Replacing Your Fill Valve · Step 6 of 6

Helpful?

In this video

Turn the water supply valve back on by turning it counter-clockwise. Allow the tank to fill completely. Check for any leaks around the new tank bolts and the water supply connection. Flush the toilet several times and continue to check for leaks around the base of the tank where it meets the bowl. If there are no leaks, the repair is complete.

Goal: Verify the repair and ensure the toilet is functioning without leaks.

  • Use a dry paper towel to wipe around the connections. Any moisture will be immediately visible on the paper.
38.4K views9175 minutes
replumb

719K subscribers

View Channel

FAQs

My new fill valve is leaking where it connects to the water supply line. What should I check?

First, ensure the connection is hand-tightened, then gently snug it with your adjustable wrench, being careful not to overtighten and strip the threads. Also, check that the rubber washer inside the coupling is properly seated and not pinched or missing; a new washer may be needed if it's damaged.

Is replacing a toilet fill valve truly a beginner-friendly project, and how much time should I set aside?

Yes, this project is very beginner-friendly and perfect for a first-time DIYer. Most people can complete the entire process, including preparation and testing, within 1 to 2 hours. Taking your time and carefully following each step will help ensure a successful repair.

What crucial safety precautions should I take before starting this toilet repair?

Always begin by turning off the water supply to the toilet, usually via a small shut-off valve at the wall or floor. After turning it off, flush the toilet to empty the tank as much as possible to minimize water spills when you disconnect lines and remove the old valve.

Besides an adjustable wrench, are there any other tools I might need for this project?

An adjustable wrench, like the Husky 12 in. Adjustable Wrench, is the primary tool you'll need. You might also find a bucket helpful to catch any residual water from the tank or supply line, and a sponge or old towel for easy cleanup of small spills.

Transcript
Hide

Finally, we can turn the water back on and test the new tank to bowl connection, flush it a few times, make sure there's no leaks, and that's it.

Auto-generated transcript. May contain errors.