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View the thread, titled "Leaking pop up waste from bottom side" which is posted in UK Plumbers Forums on UK Plumbers Forums.

Hi guys, I have just installed a pop up waste on new basin.

I have siliconed the top with the washer, and the water holds inside the basin with the waste closed but when I pop it up to release the water down the drain it leaks out from the underside of the sink where the backnut nut washer are, before the trap.

I could just silicone the back nut washer but then I would be simply trapping the water inside and that doesnt seem right.

What can I check?

Any advice massivley appreciated














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Title
Leaking pop up waste from bottom side
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UK Plumbers Forums
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Created
paul alan,
Last reply from
Gasmk1,
Replies
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