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New Member
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Dec 3, 2010, 01:02 PM
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How to replace old P trap toilet plan with new one
I wanted to replace an old P-trap toilet pan (sewer pipe comes from the wall not the floor) with a new one. The new pan sits closer to the wall than the old one by 110mm, therefore the sewer pipe that comes from the wall (i.e. 100mm diam. Steel pipe) need to be cut. I plan to cut this using a grinder, then join the sewer pipe from the wall with the one from a new pan (100mm ceramic pipe) using sewer pipe collars. Some collars have black rubber surrounds it to seal gaps. I am not sure if I should use the one with rubber or without. The one with rubber has an inner pipe dimension of 90mm. Is this the right size?
Thanks for your help.
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Senior Plumbing Expert
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Dec 3, 2010, 07:57 PM
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HI Danna..
I can't tell you exactly what size "collar" to use here... best fit will do, I'm sure.
Most wall hung toilets have closet nipples they use to connect the carrier and compress the wall hung toilet's gasket. Here, you may be able to remove the old nipple and install a new wall hung toilet nipple... the end is enlarged and will not cut into the neoprene setting gasket (like the nipple end will do if you grind it).
See image below... does your toilet rough in look like the picture (wax gasket is not best seal, by the way)? Let me know, OK?
Back to you...
Mark
Why not get a nipple of the correct size?
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New Member
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Dec 4, 2010, 02:51 AM
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Hi Mark, Thanks for your post. Our toilet does not look like the image attached, it is not wall hung but floor mounted (but the pipe goes to the wall, not floor). I have bought a collar with rubber seal that I think will fit. My question is now: what is the best way to seal the junction between the steel pipe and the ceramic pipe (of the new pan). I have some images showing the existing junction connection but don't know how to attach these images here.
Danna.
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Senior Plumbing Expert
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Dec 4, 2010, 05:24 PM
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At the answer the question box at the bottom of the page write your response and then click on the GO ADVANCED icon... brings up new window
Then click on the MANAGE ATTACHMENTS icon... brings up a new window
Then click on the BROWSE icon (can load 3-5 photos) and then find the picture you want to post to the site in your computer and double click on it... this loads it to the window. Now, in the same window as the browse icons you click on the UPLOAD icon to upload the picture(s) and then close the window.
Click on the SUBMIT ANSWER icon and all should show up here.
Back to you...
Mark
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New Member
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Dec 4, 2010, 09:40 PM
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Test only
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New Member
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Dec 4, 2010, 09:42 PM
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Comment on massplumber2008's post
Hello Mark, It didn't work. There was no GO ADVANCED icon.
Let me try again.
Danna
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Senior Plumbing Expert
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Dec 5, 2010, 05:32 AM
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Sorry Danna...
They made some changes to the site and I have yet to catch up with some of the new stuff.
Give me a little while and I'll post the steps that work in the "skin" you are using, OK?
Mark
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