Slow leak from bidet adapter at bottom of toilet tank
A newly installed bidet can develop a very slow leak right where the adapter connects to the bottom of the toilet tank. Trying to stop the dripping by tightening or loosening the white plastic nut often makes the leak worse.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
Found another way around this?
Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.
- 1Repeatedly tightening and loosening the plastic connecting nut in an attempt to seal the drip.Did this help you?
- 2asking for troubleshooting advice online before attempting to disassemble the plumbing clampsDid this help you?
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“I recently installed a bidet and have a very small, slow leak coming from the connection between the bidet adapter and the bottom of the toilet tank, circled in red in the picture.”source ↗
“I’ve tried both tightening and loosening the white plastic nut, but tightening/loosening it sometimes seems to make the leak worse.”source ↗
“I've finally localized the link under my sink and it looks like it's where the RO joins the drain pipe.”source ↗
“Dripping comes from the blue circle and the line above is the RO.”source ↗
“It's been ok for 3 years. Can I undo that drain and see if there's a problem inside I could maybe fix? Obviously I know very little.”source ↗
Where this came up
People with this problem also raised
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