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How to Fix Slow Flushing Toilet

There's nothing more frustrating than a slow flushing toilet. Maybe you have experienced having to hold down your flush handle in order to get a powerful flush. Maybe you have to jiggle the handle to get your toilet flapper to seal properly? This is an easy fix. In some cases, this may indicate that your toilet needs the correct toilet flapper installed. If your toilet is using an adjustable flapper, it may be necessary to make a few tweaks. 


Choose from the following options: 

  1. Learn how to fix your toilet flapper - Video and step-by-step instructions below.
  2. Click find part to find the correct flapper replacement for your toilet.
  3. If this doesn't quite describe your toilet issue, choose from the other common troubleshooting topics.

Does this describe your toilet issue?

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Step 1

Check out the video to learn how to fix your toilet to prevent the need to jiggle the handle. 

Step 2

Video didn't help? Check out the step-by-step instructions below.

Step 3

You can always give our customer service team a call too...We are here and happy to help! Simply call: 1-800-528-3553 - we are available Monday through Friday, 7:30 AM to 5:00 PM CST. 

Need to Jiggle the Toilet Flush Handle for Toilet to Stop Running?

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How to Install Side Mount Toilet Tank Lever

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Need to Jiggle the Toilet Flush Handle for Toilet to Stop Running?
How to Install Side Mount Toilet Tank Lever

STEP 1: Check if the water level in your tank is set to the manufacturer’s water line. Adjust the fill valve by turning the body of the fill valve counterclockwise to unlock it.

STEP 2: Move the fill valve down to the marked waterline or half an inch below the top of the flush valve overflow tube. Once the fill valve is readjusted turn the body of the fill valve clockwise to lock back into place. 

STEP 3: If the flapper is closing right after you flush, the chain has too much slack. Adjust the chain to have minimal slack and trim any excess chain. 

STEP 4: Also, please ensure the chain is going as straight up and down as possible from the flush lever.

STEP 5: If these tips don’t resolve your issue, you may have an incorrect flapper and it needs to be replaced. Find a new flapper here.