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Thread: What is this....???
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06-03-2012, 10:47 AM #1
What is this....???
I found this in a home built in 1950. The "can" is a component of the sanitary sewer. 2" cast-iron inlet from the bathtub drain connected to the bottom of the can; 2" C.I. outlet at top of can ties into 2-1/2" C.I. pipe then 4" C.I. to main sewer. As you can see, it's rusted pretty badly and leaking from the top of the can.
What is this "can" and what is its purpose?
Repair is unlikely due to the extensive rust. So replacement is necessary. Is this component still available today? If not, can it be replaced with a standard P-trap...or what?
Any help is appreciated.
Stan
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06-03-2012, 10:49 AM #2
Re: What is this....???
One more thing....the can is 4" diameter and 5-1/2" tall.
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06-03-2012, 11:35 AM #3
Re: What is this....???
Looks like a barrel trap. Yes they can be replaced.
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06-03-2012, 12:02 PM #4
Re: What is this....???
Steven....is a "barrel" trap the same as a "bottle" trap? Wouldn't it be easier to replace it with a standard P-trap than to find a matching device like this? I'm not sure why a specially manufactured device was installed when a simple trap using readily available pipe sections could do the job. Same principles of physics and siphoning applies...what am I missing?
Thanks for your help Steven.
Stan
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06-03-2012, 01:20 PM #5
Re: What is this....???
Look up "drum trap".
They were very common, I bet lots of Jersey houses have them. I'm surprised you haven't seen one before, but it won't be the last one you see if you have older housing stock in your area.
Dom.
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06-03-2012, 02:45 PM #6
Re: What is this....???
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06-03-2012, 08:26 PM #7
Re: What is this....???
Very helpful...Thanks alot Dom and everyone for the education.
Stan
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06-04-2012, 05:05 AM #8
Re: What is this....???
Possibly a drum trap installed up side down.
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06-04-2012, 05:26 AM #9
Re: What is this....???
I agree... it is an old Drum trap - and yes, it should be VERY easy to replace, once you get the old one off the line!
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06-04-2012, 05:32 AM #10
Re: What is this....???
Its an old drum trap. Easy enough to cut out and replace.
Use a sawzall, don't bother trying with a wrench. It will never turn out. Unless you manage to keep vibration down you'll probably also have to replace the tub shoe. You should also assume replacing the horizontal run off the trap to the stack since the pipe is usually extremely clogged. turn it out of the stack with a wrench carefully after cutting the trap out. 2 hour repair if you get lucky. 4-5 hour repair if you break the horizontal pipe and have to dig muck out of the stack connection threads. Replacing the shoe can also be a PIA. Good luck.
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06-04-2012, 10:26 AM #11
Re: What is this....???
I have never seen these before either and I am approaching the point where I will someday be considered an old guy.
Thanks for the education.
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06-04-2012, 11:41 AM #12
Re: What is this....???
We had a drum trap in our 1920s Chicago condo for our tub. We see them fairly often here. My old boss always called them out for future replacement. The photo is of the metal cover on the bath floor, as a way to know it is there. The ceiling is finished below ours so it isn't visible there. The plumber replaced ours with a p-trap, we kept the drum trap in place (without the piping to it) because we didn't want to retile the floor.
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06-05-2012, 05:36 AM #13
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06-06-2012, 12:53 PM #14
Re: What is this....???
Drum trap in need of a new clean out cover. Still common around here.
Ron Hasil IL Plumbing Lic #058-160417
A-Archer Sewer & Plumbing specializing in:
Tankless Water Heaters | Drain and Sewer Cleaning | Sump and Ejector Pumps | Backflow RPZ Testing
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06-06-2012, 01:15 PM #15
Re: What is this....???
If that's really the "sewer" then you're in need of more than a simple repair.
This home still on private treatment (septic) or connected to city sewer system?
Ron H, did you notice the description, the elevations, esp. the second picture (size change, etc.) ? (reminder poster is in NJ - that's the (Nat. Stand. Plumb. Code).
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06-06-2012, 01:32 PM #16
Re: What is this....???
Mr Watson, that fitting in the middle of the line is a Durham fitting. Its used as a union for drainage pipe. One side is caulked and leaded where the other side is threaded. So it give the visuale of pipe size changing. Also Most drum traps for bath tubs are 1 1/2" IPS. So I feel the inlet and outlet is 1 1/2" and the Durham fitting is making a transtion to 2" then it would tie into 4" stack down stream.
Oh for the trap to be leaking out of the cover, the line has a blockage down stream of the trap. But the plug still needs to be replaced.
Ron Hasil IL Plumbing Lic #058-160417
A-Archer Sewer & Plumbing specializing in:
Tankless Water Heaters | Drain and Sewer Cleaning | Sump and Ejector Pumps | Backflow RPZ Testing
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06-06-2012, 01:53 PM #17
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