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I inherited an IKEA sink and plumbing (boooo), and today I took it apart to clean it out due to clogging.

Unfortunately, it is now leaking no matter how hard I try to put it back together.

I believe the problem is that IKEA-proprietary downspout is too short to properly fit into the P trap's U pipe. Just the tip (haha) barely fits in to the U pipe, not enough for a proper connection. I've tried all sorts of ways to fit it in, but it twists and contorts the other pipe connections causing leaks in the other side of the U pipe and in the connection to the main drain pipe going into the wall.

How can I elongate the downspout so that it can fit at least 2-3 inches into the P trap U pipe?

Does IKEA use a standard diameter pipe?

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Nelson
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radlinsky
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2 Answers2

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Look for a "Slip-Joint Extension Tube" at your local hardware store. This is a very common part.

The standard sizes are 1.25" and 1.5". Get one of each if unsure.

example part

Robert Chapin
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Do you have drawers that snug up against the p-trap in the vanity? When I install the ikea sinks I use abs p-trap and only keep the piece that you say is too short. With the standard abs pipes you just need the 1 1/4" slip joint piece and you can make your p-trap shorter or taller easily.

enter image description here

Fresh Codemonger
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