J jaydblu New Member Messages 1 Reaction score 0 Points 0 Nov 11, 2006 #1 Our toilet works fine but when the holding tank tops-off there's a loud rumbling noise that lasts for about 5 seconds. What causes that and how can I fix it? Thanks.
Our toilet works fine but when the holding tank tops-off there's a loud rumbling noise that lasts for about 5 seconds. What causes that and how can I fix it? Thanks.
Terry The Plumbing Wizard Staff member Messages 29,942 Reaction score 3,483 Points 113 Location Bothell, Washington Website terrylove.com Nov 11, 2006 #2 We don't know the fill valve in yours, but that's where I would look.
