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Fire & Water - Cleanup & Restoration

How To Stop a Toilet That Keeps Flushing

5/1/2020 (Permalink)

Person working on a toilet. Toilet overflow is a risk faced by every business.

Many commercial businesses in Homer Glen, IL, use flushometer toilets rather than the common tank toilet. Flushometer toilets use water pressure rather than gravity to move wastewater to the sewer system. The benefits of a flushometer are it uses less water and it can be flushed within shorter time intervals since there is no tank. This makes them perfect for high-traffic areas. It also makes them a risk for a fast accumulated toilet flood.


Like traditional toilets, the mechanisms that work the flushometer toilet are far from perfect. A common issue for flushometer toilets is continually running water. This presents a danger for toilet overflow, and if that happens, the required cleanup can be extensive. If you run into this issue, there are a couple of solutions you can try to stop a toilet on your own.

1. Clean the Gasket
It's possible sediment has collected on the gasket and caused the weep hole beneath it to become clogged. You'll need to clean both, but first, turn off the water. A flathead screwdriver will fit the slot at the back of the flushometer. Once the water is off, remove the flushometer cover to find the gasket and weep hole. Once cleaned, replace the gasket cover.

2. Replace the Diaphragm Kit
Automatic flushometers use motion sensors to flush the toilet, but they are can also pose a risk of toilet overflow. Though they're automatic, they can still be manually flushed as well. Again, you will need to turn off the water. Hold the flush button down for two seconds. If you hear clicking sounds, it's likely you need to clean or replace the diaphragm kit. This kit is accessed by removing the top of the flushometer.


Toilet overflow is a risk faced by every business. Knowing ahead of time how to stop a toilet can save your business structure from potential damage.

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