Currently the water pipe to my toilet comes up from under the floor of the verandah, then runs along the external wall of the house and then through the external wall and internal wall to the toilet.

I have the internal walls off at the moment and want to change the pipe so that it now comes up through the floor in the wall behind the toilet and pops out there (so you don't see the pipe on the external wall anymore or on the verandah).

Now, my house has a mixture of galv and copper pipe (looks like when the previous owner renovated the bathroom (which is seperate from the toilet) they ran new copper pipe to it all but left existing stuff galv). There is a copper water pipe about 2m from the toilet which I'd like to tap into and then run copper pipe to the toilet. My problem is cutting the galv pipe. Well not so much the cutting but the plugging of the pipe. How can you do it? I assume I'm going to have to cut a thread into it after cutting it but not sure how to go about that.

As for cutting the pipe itself I plan on turning the water off at the meter on the street then running the tap which is at the lowest point on the property to get as much water out of the pipes as I can. Then going at the pipe with a grinder (which I hope by this stage doesn't contain any water considering I will be working with a power tool).

Any advice?


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