Water Shut-off valve replacement

[pdxhiker]

I notice the GI pipe connecting water shut-off valve us rusting and I am worried that it may break a leak if not replaced. Any thoughts on how to replace it and an alternatives for GI pipe.

 

[pdxhiker]

Some one asked a question what is GI pipe and I think they deleted the post. But to clarify GI pipe means "Galvanized Iron" Pipe (in the picture there is a small 2" long pipe whre the threads are rusting).

 

[frodo]

That was me.. i get confused with all the code words.

should not have galvinised pipe there. remove it and replace with a brass nipple


dissimilar metals cause's electrolysis which causes rust

if you cant find a brass nipple you can use a dielectric nipple

 

[pdxhiker]

That was me.. i get confused with all the code words.

should not have galvinised pipe there. remove it and replace with a brass nipple


dissimilar metals cause's electrolysis which causes rust

if you cant find a brass nipple you can use a dielectric nipple

Thank you Frodo.

Is replacing the nipple a large enough job only plumber should do or an average home owner with some plumbing knowledge get it done.

 

[frodo]

easy job, only you can answer if you can do it or not

if you are handy with tools, you can do it

 

[phishfood]

I don't see a union anywhere in there, so you will need the proper expansion tools to tie back into the PEX that is there.

 

[pdxhiker]

I don't see a union anywhere in there, so you will need the proper expansion tools to tie back into the PEX that is there.

thank you. Should I use the union at both ends of the PEX pipe or just the one carrying water to the house.

 

[frodo]

do you have pex crimp tools? http://screencast.com/t/hjWiUeko

 

[pdxhiker]

thank you all. Reading the posts, it seems to me that the entire assemly shoulc be replaced. To illustrate how its connected.

Pipe coming from main street line after meter>90* Elbow/Bend (Plastic)>Pex pipe>Ball Valve>GI pipe> Watts pressure regulator>Pex pipe>90* Elbow/Bend (Plastic)>pipe inside the wall going into the house.

Option1
1. If I cut the whole assembly and re-build how do I extend the pex pipes both coming from the mainline and going into the house.
2. If I manage to remove the 90* bends at both ends, the Pex pipe is already expanded to get the male elbow inside, will I get a good fit for the replacing elbow?