Bathroom sink drain

[user 32818]

My bathroom vanitys's drain becomes slow at least 3 times a year. Usually I take apart the trap and snake it. This is what my plumber had built when he installed the vanity. It works and there's no smell. Is it possible that the upside down part following the "normal" J is slowing down the whole system and causing build ups?

 

[breplum]

The installation is WRONG. P traps are not conceived to be installed that way.
Either cut out a hole in the cabinet floor or plan on having it plumbed properly by opening the wall (from one side or the other) and raising the drain.

 

[user 32818]

The installation is WRONG. P traps are not conceived to be installed that way.
Either cut out a hole in the cabinet floor or plan on having it plumbed properly by opening the wall (from one side or the other) and raising the drain.

That is exactly what I thought. Thanks for your reply

 

[Geofd]

Breplum is correct , the only way to correct this is to raise the tee connection in the wall so that the pipe coming out of the end of the p trap pitches down slightly

 

[user 32818]

Breplum is correct , the only way to correct this is to raise the tee connection in the wall so that the pipe coming out of the end of the p trap pitches down slightly

Thank you. I can't really work in the wall now. If I cut the cabinet floor and have the p trap fall into it, how can I make the incline you mentioned? I'm thinking the part going into the wall would stay horizontal

 

[Geofd]

It's possible but there can only be slight pitch from the p trap to the wall, you have to start over from the sink drain to the wall