ᐅ Sink Drainage: 90 Degrees or 87 Degrees?

Hi, what is usually installed? Is the end piece where the sink trap will later be connected typically a 90-degree elbow or an 87-degree elbow? Or does it not matter at all?

That doesn’t matter...

katara1337 schrieb:

as an 87-degree bend

What is something like that used for?

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Hello

Both are possible.
Buy the appropriate rubber grommet at the same time.


Olli

11ant schrieb:

What is something like this supposed to be good for?

Hello
The “standard” bends are 87°; trap bends have 90°.

Olli

11ant schrieb:

What is the purpose of something like this?

Basically, it improves the flow by avoiding horizontal sections immediately after a vertical one.