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How to Fix Toilet Running Continuously or Making Hissing Sound: Flushing Debris from 400A Fill Valve
It is possible for dirt and debris to lodge itself inside the valve. This can happen any time the water is on and may happen after a new installation, a few days later or even months and years after installation. Watch this video if your toilet is running continuously or is making a hissing sound. To read how to solve this toilet problem, please click here: Fix Constantly Running Toilet
To download our free guide to fix common toilet problems please click here: Fluidmaster Toilet Repair Guide