Tying in to cast iron with pvc is a great way to add new waste lines.
Cast iron drain pipe to pvc.
It s also easy to work with if you re creating a new branch line.
Here i will be replacing the cast iron drain system to the master bathroom with abs drain piping.
You can use stainless steel no hub clamps to make leak proof connections in case you want to run pvc into the cast iron.
Using a regular wye cut two lengths of pvc that will slip into the ends of the wye fitting and hold the no hub fittings that attach the pvc to the cast iron.
Step 7 test for leaks you want to run water through the pipe to make sure there aren t any leaks.
Newer cast iron pipe is made so the wall thickness is uniform.
Then replace the cast iron pipe with pvc pipe to repair a.
Old true cast iron pipe could suffer from thin wall syndrome but that s no longer an issue.
A no hub connector is the standard coupler to join pvc and cast iron pipes.
Join the pvc pipe with the cast iron by inserting it into the adapters.
Connect one side of your no hub coupling connector to the cast iron pipe.
It s not a guaranteed method of checking for leaks.
I will be cutting the cast iron out from the base at the fo.
Measure the length of the assembly and add 1 4 in.
Learn how to cut cast iron pipe then replace the cast iron pipe with pvc pipe to repair a drain pipe leak.
Then mark that length on the cast iron with pencil lines and use zip ties to mark the cut on the pipe.
They are available in many sizes so make sure you purchase the one best suited for your particular needs.
Diy plumbing at its best.
Here s how to do.