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trebor59 · Nov 17, 2012, 07:51 PM

I am remodeling my son's upstairs bathroom. House is old and the plumbing is different. He has a drum trap that I need to remove and the drains for sink and tub are 2" copper. I want to repipe but have very little room and everyone says that I have to use p-traps. Need some help. I am attaching a picture. The sink drains from within the wall, it is the 2" pipe that you can see in the wall in the front of picture and the tub connects to the drum trap from the right. How can I pipe this correctly?

ma0641 · Nov 17, 2012, 08:54 PM

What exactly are you trying to accomplish. Why or what do you want to "repipe". Why do you need to remove the drum trap? Was there no trap under the sink? I will admit it looks like a challenge.

trebor59 · Nov 17, 2012, 10:08 PM

We had to have the lines cleaned before and do not want to have to do it again. With a new floor going down there won't be any way to access the trap. The sink did have a trap before. We had a plumber snake it from the trap, just won't be able to do that with a new floor down. Would just like to eliminate the drum trap.

massplumber2008 · Nov 17, 2012, 10:43 PM

A drum trap usually means an "unvented fixture"... this means that you need to remove the old drum trap and replace with a new, PVC drum trap. The cleanout of the drum trap should be located in a manner that allows accessibility via an access cover plate (google this).

Let me know what you think... back to you...

Mark

trebor59 · Nov 17, 2012, 11:00 PM

Originally Posted by massplumber2008

A drum trap usually means an "unvented fixture"...this means that you need to remove the old drum trap and replace with a new, PVC drum trap. The cleanout of the drum trap should be located in a manner that allows accessibility via an access cover plate (google this).

Let me know what you think...back to you...

Mark

Even with a new drum trap accessing it will be impossible once the new floor is in. Had a plumber look at it and he is going to charge me $750 to put some p-traps in and extra venting, I just think that is too much, I would much rather do it myself.

trebor59 · Nov 17, 2012, 11:33 PM

Originally Posted by trebor59

Even with a new drum trap accessing it will be impossible once the new floor is in. Had a plumber look at it and he is going to charge me $750 to put some p-traps in and extra venting, I just think that is too much, I would much rather do it myself.

Problem with this drum trap is that it has two inlets, one for sink and one for tub. The ones I see all have just one inlet. Would just like to take out trap. Just worry about the 2" copper line plugging over time.

speedball1 · Nov 18, 2012, 07:04 AM

I don't like drum traps because they present a problem snaking the line, My take? Tear out everything and plumb your bath like this if wet vents are allowed in your area. (see image) Good luck, Tom

trebor59 · Nov 18, 2012, 05:51 PM

I think one of the problems I have is that the bathtub drain is too low. If I install a p-trap I will have to raise it too much to connect to the drain. I am not sure how high I have to raise it. When you look at the picture the tub is to the right of the drum trap and enters it on top, I believe. It is tuff discussing my situation since I live 3 hours from my sons house. I do appreciate all the advice. Can I get the sink drain and tub drain to connect to the 2" line that you can see in front? Will I be able to use the sink drain that is there and just connect it to the 2" line instead of the drum trap, that means it would have to connect to the side of the 2" line.