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Prepare Toilet for Removal — Shut Off Water Supply and Empty Toilet Tank

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How to Replace a Toilet Fill Valve: A Step-by-Step DIY Guide · Step 1 of 4

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In this video

Begin by shutting off the water supply to the toilet using the shut-off valve located on the wall or floor behind the toilet. Turn the handle clockwise until it stops. Disconnect the water supply line from the bottom of the toilet tank. Remove the tank lid and flush the toilet to empty most of the water from the tank and bowl. Use a large, absorbent sponge to soak up any remaining water from both the tank and the bowl, wringing it out into a bucket.

Goal: Toilet Removal (No Floor Damage)

  • Have a bucket ready to catch any residual water from the supply line and for wringing out the sponge.

Used in this video

  • Sponge (SpongeType: Cellulose sponge, Sponge Absorbency/Size: Highly absorbent sponge for wiping)Soaking up residual water from the toilet tank and bowl.
  • Bucket (BucketType: Standard bucket, Bucket Capacity: Small bucket for tank draining)Collecting water from the toilet tank and bowl.
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FAQs

What specific tools will I need for this project, and are there any alternatives if I don't have them?

You'll primarily need an adjustable wrench, like the Crescent 12 in. model, to loosen and tighten the lock nut. While pliers can sometimes work, an adjustable wrench provides better grip and reduces the risk of stripping the nut. A sponge, such as the HDX Multi-Purpose Sponge, is also very helpful for soaking up residual water.

What is the most critical safety step I need to take before starting to replace the fill valve?

The most critical step is to turn off the water supply to the toilet completely, usually via the shut-off valve on the wall behind the toilet. Once the water is off, flush the toilet to empty the tank as much as possible, using a sponge for any remaining water. This prevents leaks and makes the job much cleaner.

How long should this DIY project take for someone with no prior plumbing experience, and what's the typical cost for materials?

For a beginner, replacing a toilet fill valve typically takes about 30 to 60 minutes from start to finish, including setup and cleanup. The Korky QuietFill Toilet Fill Valve mentioned costs approximately $15-$25, making this a very affordable repair.

After installing the new fill valve, my toilet keeps running or the water level is too high/low. How do I fix this?

First, check the float height on your new fill valve; it should be adjusted so the water level stops just below the overflow tube. If it keeps running, ensure the refill tube is properly inserted into the overflow pipe and that the lock nut under the tank is securely tightened to prevent external leaks.

Transcript
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toilet start by turning the water off at the shut off valve and remove the supply line connector from the bottom of the tank remove the tank WD and flush the toilet using a sponge sponge out all of the remaining water that's in both the tank and the bowl

Auto-generated transcript. May contain errors.