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Old 08-03-2011, 06:29 PM   #1
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how do I bond pvc pipe to cast iron


Old house, replacing toilet, plastic offset has to go into old cast iron pipe, whatss them best way to bond it ? Thx !
Updated with pics! thx for responses


Last edited by 1badmf; 08-09-2011 at 02:32 PM. Reason: pics
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Old 08-03-2011, 07:12 PM   #2
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how do I bond pvc pipe to cast iron


If you have a 'hub'--use a rubber dough nut----

If you have a cut pipe--a rubber Fernco type boot with hose clamps works well.

Post a picture if you can that will get you the most accurate advice.

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Old 08-03-2011, 11:32 PM   #3
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how do I bond pvc pipe to cast iron


leading it in is always a ton of fun
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Old 08-04-2011, 05:50 AM   #4
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how do I bond pvc pipe to cast iron


Quote:
Originally Posted by plumberinlaw View Post
leading it in is always a ton of fun
I've fixed a few shower drains when someone tried that.
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Old 08-09-2011, 02:31 PM   #5
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how do I bond pvc pipe to cast iron


pics....
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Old 08-10-2011, 12:15 PM   #6
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how do I bond pvc pipe to cast iron


To the top
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Old 08-14-2011, 10:09 PM   #7
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Hmmmm
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Old 08-14-2011, 11:16 PM   #8
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how do I bond pvc pipe to cast iron


If you use that flange, you need to bust out the floor, lower the CI pipe to the proper height and use a PL x CI no-hub band to join the flange to the pipe. Then replace the removed concrete and anchor the flange to the floor
Why an offset flange?
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Old 08-15-2011, 04:06 PM   #9
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how do I bond pvc pipe to cast iron


Old house, the toilet is at a wierd distance from wall , whats would you suggest to just to install toilet easiest
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Old 08-15-2011, 09:46 PM   #10
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how do I bond pvc pipe to cast iron



These toilet replacement flanges; manufactured by Oatey, are made to push into a 4" cast iron drain or plastic pipe and seal against the internal diameter with a rubber gasket. Although they make a flange that fits inside a 3" pipe, they are not permitted because they reduce the internal diameter.
You can try this, I have never used one before but I have seen them. It is difficult to tell the size of pipe you have there, it looks like 4" but the flange you have looks like 3". Just a suggestion.
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Old 08-15-2011, 09:57 PM   #11
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how do I bond pvc pipe to cast iron


How far from the wall to the center of the pipe?

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