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Moving copper pipe work for new sink position

Discuss Moving copper pipe work for new sink position in the Plumbing Jobs | The Job-board area at PlumbersForums.net

S

Serval

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Im going to be removing an old sink from one wall and re positioning the new sink on an adjacent wall


At the moment the hot and cold supplies come in through the wall and branch right for the existing sink.


I need to modify these so that they come in and head straight to the direction of where the new sink will be.


What’s the best way that I can redirect the pipes to where the new sink will be fitted?

I can solder pipes but am a diy'er, not an expert.
I was thinking it may be easier for me to cut the pipes as shown and soldering in a couple of elbows so that I can get the pipes running in the left hand direction.

upload_2019-6-3_21-11-36.png


I thought about de soldering the joints and re soldering straight joints then adding tees/elbows where appropriate however that seems like it could be tricky in that tight corner.

Also not sure about how having a couple of elbows in close proximity to each other might affect the flow?

What would you guys suggest

upload_2019-6-3_21-8-23.png
 
idd be tempted to cut it all back to the TEE and elbow and de solder it , once de soldered get the soldered ends as clean as possible , i tend to run a file over them and try to remove the solder, flexi file/ abrasive strips help too, not the scotch brite style ones, can you not cut them back from the other side of the wall and start from there ?
 
If you can see the pipes the other side of the wall then I would cut it back there new pipes straight through otherwise as been said unsolder the fittings.
 
Serval said:
I cant get access from the other side of the wall as the kitchen units cover all the pipe work.
Click to expand...
Unsolder this side. You will need to get all the water out of the pipes first. Cut into the parts you are redoing and let the water out there. Have a piece of wire wool handy and use it to clean the solder off the pipe ends whilst still molten after you pull the existing fittings off. You don't (won't be able to) need to clean all the solder off back to the copper, just so that a new copper fitting will go on to rejoin and reroute.
 
Thanks for the advice on this guys.

Ill give it a go

Ive got some old bits of pipe and fittings that ill practice on beforehand.
Can borrow a wet vac that'll helpe with making sure i ge as much water out as possible
 
Serval said:
Thanks for the advice on this guys.

Ill give it a go

Ive got some old bits of pipe and fittings that ill practice on beforehand.
Can borrow a wet vac that'll helpe with making sure i ge as much water out as possible
Click to expand...

Excellent. Get your wet vac ready, tap end I find easiest and cut the pipe with a slice wherever you can get it in. Cut the pipe, fire up the wet vac and pull the water out of the pipes through the open tap with it. I usually just use my hand to make a good enough seal with the vacuum and you'll pull the water out in no time.
 

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