Is this still considered an S trap?

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Jim G -DIY

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Hello all,

I am a long time lurker with a great appreciation for the knowledge on this forum. Most of the time my questions and concerns have been addressed by others but I thought I would ask about a situation on my home remodeling project.

I had a plumber rough in a drain for an sink in my master bath. There were some electrical obstructions and I was left with a drain entry very low on the wall. I can get (barely) a standard P trap installed but I was curious if I could offset the entry point as shown in the attached sketch.

Any advice would be appreciated.

Jim

S TRAP.jpg
 

Plumber69

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Hello all,

I am a long time lurker with a great appreciation for the knowledge on this forum. Most of the time my questions and concerns have been addressed by others but I thought I would ask about a situation on my home remodeling project.

I had a plumber rough in a drain for an sink in my master bath. There were some electrical obstructions and I was left with a drain entry very low on the wall. I can get (barely) a standard P trap installed but I was curious if I could offset the entry point as shown in the attached sketch.

Any advice would be appreciated.

Jim

View attachment 46885
That's an S trap. To do it this way you will need a autovent
 

Sylvan

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Unless it connected to a "proper" vert not an AAV you will be ok
 

Asktom

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That is an S trap. You need a vent after the trap before the line drops down. Otherwise the trap can syphon and whatever gasses are in the sewer can enter your home.
 
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