Vitra Toilet Parts
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January 12, 2026
It’s 2 AM. The house is dead quiet. Suddenly, from the bathroom, you hear a hiss of water. Nobody is in there. Did someone pull the handle? Is your house haunted?
Before you call an exorcist, relax. You are likely experiencing the "Ghost Flush." It is one of the most common complaints with modern toilets, including Vitra models. While it sounds spooky, it’s actually just simple physics—and a sign that your cistern needs a little TLC.
What is Actually Happening?
Your toilet isn't flushing itself. It is refilling itself.
Here is the breakdown: Water is slowly leaking out of your cistern and into the toilet bowl. It’s usually so quiet you can't hear it. Over an hour or two, the water level in the tank drops just enough to lower the float. This triggers the fill valve to kick in for a few seconds to top it back up. That is the "hiss" or "whoosh" you hear in the middle of the night.
The Usual Suspect: The Flush Valve Seal
In 90% of cases, the problem is the rubber washer at the bottom of the
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