Toto toilet hissing
Posted by Sean on April 09, 2004 at 13:36:18:
I recently installed a new Toto G-Max toilet, and I frequently hear a hissing noise coming from the blue piece in the tank, which is marked "Anti Siphon".

When I flush the toilet, the hissing stops, but invariably returns after a while.

Any idea what the problem might be? Thanks.

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