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 toilet fill valve
Author: sum (FL)

After a toilet is flushed and when done refilling there is a high pitch noise that I can best described as similar to when you step on the brake suddenly on a rainy day.

I am trying to determine if this is water hammer or a fill valve issue. It does it consistently every time and a second bathroom toilet at the same property does not make this noise.

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 Re: toilet fill valve
Author: george 7941 (Canada)

Replacing the diaphragm in the fill valve or replacing the fill valve entirely usually eliminates the squeal.

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 Re: toilet fill valve
Author: packy (MA)

possibly just flushing the fill valve will do it,

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