waste Drainage and wastage systems and plumbing help, advice and answers

[guaribush]

I need to cut an existing 2" steel waste to connect a 1 1/2" plastic connector where and wich connector should I use, then I need to connect the other end to a cast iron soil pipe ( at the moment is connected to therainwater waste) I need to do this as I'm going to fix a saniflo to the shower /basin waste system
thanks for any help

[stoneyboy]

guaribush,
Cut a thread on the 2" steel pipe and buy a suitable connector to adapt to 1 1/2 plastic. Connect onto the soil pipe using a boss connector for 110mm plastic soil pipe.
end