Toilet keeps running after flushing: what to do?
Toilet keeps running after flushing: the right reflexes in a few simple steps.
Quick answer
4 steps — read this before anything else
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1
Jiggle the flapper valve to reseat it.
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2
Adjust the float height so filling stops.
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3
Replace the flapper and chain if worn.
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4
Fit a new fill valve kit for older tanks.
Warning
A running toilet wastes hundreds of liters per day.
When a toilet keeps running after flushing happens, the first minutes matter. Follow these steps to act safely and without panic.
What to do right now
- Jiggle the flapper valve to reseat it.
- Adjust the float height so filling stops.
- Replace the flapper and chain if worn.
- Fit a new fill valve kit for older tanks.
Mistakes to avoid
- Acting before removing the immediate source of danger.
- Panicking or skipping the official procedures.
- Following unverified advice from random websites.
How to prevent this in the future
Regular checks, keeping emergency numbers visible and preparing an essentials kit go a long way. Save this guide for offline access.
Frequently asked questions
What should I do first?
Ensure everyone is safe, remove the source of danger, then call the relevant number or begin the official procedure.
When should I call emergency services?
Whenever life, serious injury or fire is involved. When in doubt, call — dispatchers would rather check than miss an emergency.
Spotted an error? Report it — we correct factual mistakes promptly.