The fill valve isn’t shutting off completely, allowing a small, continuous stream of water to flow into the overflow tube.

Adjust the float ball or float cup downwards so that the water stops filling before it reaches the top of the overflow tube. 3. The Sudden "Thud" or Rattling (Water Hammer)

When you hear a weird noise in the breakroom, you say, “Is the fridge dying?” When you hear a weird noise in the parking garage, you say, “Is that a cat?”

Beyond the mechanical, such noises tap into a primal sense of the unknown. In the quiet echo of tiled walls, a strange sound is amplified, triggering a curiosity that borders on unease. It forces us to confront the "guts" of the building—the dark, damp, and pressurized networks that exist just behind the porcelain and drywall.

So, you’ve read this far. You’re still at your desk. And in the quiet lull of the afternoon, you hear it again.

These are small, air-filled chambers installed in the plumbing lines that act as shock absorbers. If they waterlog, they must be drained or replaced. 3. Low Gurgling, Bubbling, or Choking Sounds

If you have replaced the basic internal valve seals and the noise persists, it is time to call a commercial plumber. Industrial systems operate under significantly higher water pressure than residential homes, and attempting to force open pressurized valves without the proper training can result in severe flooding or personal injury. To help troubleshoot your specific issue, let me know:

You cannot just say "theres a weird noise coming from the mens toilet." They will look at you like you have three heads.

A low, relentless hissing sound that never stops indicates that water is constantly running.

I can provide step-by-step repair instructions tailored exactly to your setup. Share public link

Does the noise happen , or only right after a flush ?

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