The running toilet and the flapper
A toilet that keeps running after a flush is almost always letting water slip from the tank into the bowl. Usually the cause is the flapper, the rubber seal at the tank bottom over the years it hardens, warps or picks up mineral deposits from Peel Region's moderately hard water, and it stops sealing. A misadjusted chain that is too short or tangled can hold it open too. Replacing a flapper is quick, but the right size matters: two-inch and three-inch flush valves take different flappers, and some models use a canister seal instead.
Our library walkthrough on fixing a running toilet covers the simple checks you can make first.
Fill valves and ghost flushing
If the tank refills by itself now and then with no one using it, that is called ghost flushing. It means water is slowly leaking out and the fill valve tops it up. A worn flapper is the usual reason. A fill valve that hisses, fills slowly or will not shut off is a different fault: the valve itself is worn or clogged with debris. Modern fill valves are adjustable and inexpensive, so replacement is usually better than repair.
Wax rings and a rocking bowl
A toilet that rocks when you sit down has lost its firm seat on the floor. The movement can break the wax ring seal underneath, letting water and sewer gas escape around the base. Warning signs include water at the base after flushing, a sewer smell, or soft and stained flooring nearby. The fix involves lifting the toilet, checking the flange, setting a new seal and re-securing the bowl. If the flange is cracked or sits too low, it needs repair before the toilet goes back down; our toilet installation page explains flange work in more detail.
When a new toilet is cheaper
Repairs make sense most of the time. Sometimes they do not: a cracked tank or bowl cannot be safely repaired, an old model may use parts that are hard to find, and a very old toilet might use far more water per flush than a modern one. When a toilet needs several parts at once, or has failed repeatedly, replacement can cost less in the long run. We give you both options and the reasoning behind them.
If the problem is a blockage rather than a mechanical fault, see clogged toilet clearing, and for clogs elsewhere the guide to clearing a clogged drain safely helps. We repair toilets across Brampton, including in Westgate. Planning a bigger kitchen update while we're there? See kitchen sink installation.
Signs you need this job
- Water creeping out at the base
- The tank refilling on its own
- A rocking bowl
- Repeat clogs with normal paper use
On the job, in order
- Close the toilet stop valve, flush once, sop up what stays in the tank
- Lift the bowl and scrape the old wax off the flange
- Set a fresh seal, bolt down and shim level
- Reconnect the supply and check for seepage
Straight answers
Does a running toilet really matter?
It can waste a large amount of water over a billing period and raise your water bill, so it is worth fixing promptly.
Why does my toilet flush weakly?
A partly closed supply valve, a low water level in the tank, a short flapper chain, or mineral buildup in the rim holes can all weaken the flush.
Can you repair any brand?
We work on most common residential toilets. For less common models, we may need to source a specific part.
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