Installing Toilet on cast iron pipe.
l am renovating my bathroom, l have to put a new toilet in.The previous
toilet was just bolted from the floor down to the basement.Is there any
easy way to put a flange on a cast iron pipe?Can l get away with bolting
it again with some washers and a new wax ring to the floor.Any ideas
please?
you can buy an easy set flange. it slides around the pipe and
there are three bolts that tightens down compresson style. then you can
install some brass screws into the plywood.
Install Toilet on Concrete with no Closet Flange
http://instructables.com/id/Install-Toilet-on-Concrete-with-no-Closet-Flange/
Find an Insta-Set flange (you may have to call a plbg supply
house). Made for 4'' cast iron & compresses onto it. Screw the flange to
the floor, put some closet bolts in the flange, get a wax ring & away you
go. It is much more durable than a PVC flange, or any flange made for
plastic pipe.
I did this several years back and found a PVC flange that had a
long neck that fit inside the cast iron pipe. It also had an O-ring to
help seal the neck inside the pipe.
Your best bet would be to go into the basement & cut the cast
iron back a foot or two. The cast iron is probably 4''. So you need to go
the hardware & ask for a ''rubber boot'' that goes from 4'' cast iron to
4'' schedule 40. Also pick up a piece of 4'' schedule 40. It is just 4''
PVC pipe, but is what is required in most states for plumbing. Don't
forget to pick up a new toilet flange, wax ring & PVC cleaner/primer &
glue. it is all assemble from there. The rubber boot is a must & they work great! Just slide the boot so it is halfway on the cast iron & tighten the band clamp. Do the same with the correct length 4'' PVC. You should be able to run the new PVC pipe up through ur existing hole & glue on the new toilet flange. Then install the new toilet. I hope this helps.
They used to seal the flange to the cast iron pipe with melted
lead, but I've sure that have PVC flange fitting with rubber gaskets that
will do the same thing. Check with your local plumbing supply or hardware
store.
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