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View Full Version : Hissing noise coming from the Fill Valve



maximus
07-10-2007, 09:48 AM
I heard hissing sound coming from inside of my toilet tank. I lifted the tank cover and noticed that the noise was coming from the top of the fill valve. I carefully removed the top (the cap) of the fill valve and saw that a small amount of water was squirting out. Does this mean that the fill valve needs to be replaced?

Peanut9199
07-10-2007, 10:44 AM
Depends on which fill valve you have.
If it's the old style you can replace only the diapragm cap see this thread.
http://www.terrylove.com/forums/showthread.php?t=14054
if it's the new style that has the white adjustment screw on top, you would have to replace the entire valve.

jadnashua
07-10-2007, 12:06 PM
It could just be doing its job...if the flapper valve is leaking, the fill valve could be open to keep the water level up. Probably dirt in the valve seal, though.