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pollo316 t1_j642x3s wrote

Reply to comment by Apprehensive-Egg374 in How can I add a second 1/4 inch water line to under my kitchen sink? by Apprehensive-Egg374

If you break a section you'll need to move further down the line to the next threaded section and attach there.

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Apprehensive-Egg374 OP t1_j644c1r wrote

The issue is the end of that pipe is far behind the wall and i don’t have access to it. Is there anyway to cut the pipe straight if it breaks and then use an adapter of some sort?

(In theory if you were to break the wall and then take the end of the pipe in the wall off, you can run into the same issue again where the next pipe breaks or it’s threads come off since the building piping I’m sure is really old).

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pollo316 t1_j645ex1 wrote

No.

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Apprehensive-Egg374 OP t1_j651la6 wrote

How about this? If the brass pipe coming from the wall brakes off, can I cut it and then deburr it, and then use this shark bite attachment?

https://www.homedepot.com/p/SharkBite-1-2-in-Push-to-Connect-PVC-IPS-x-1-2-in-MIP-Brass-Adapter-Fitting-UIP120A/206352901

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pollo316 t1_j653n2f wrote

You don't have brass. You have galvanized pipe. You can't shark bite galvanized pipe you would need a threaded adapter at some juncture to go from galvanized to another pipe material.

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Apprehensive-Egg374 OP t1_j654i65 wrote

Doesn’t galvanized pipe fall under IPS? (I’m not questioning. I’m just trying to learn).

Also, how can you tell the pipe coming from the wall is galvanized and not brass? Isn’t galvanized usually steel color?

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pollo316 t1_j655n5z wrote

It's all threaded pipe from what I can see. You cannot just cut galvanized and reconnect with a sharkbite because of the outside diameter. Sure the IPS is all the same but the sharkbite has an ops that is less than galvanized line. Secondly they are not designed for galvanized line.you can get a female 1/2" threaded to sharkbite and screw the thread into your existing line and then convert the rest to copper or pex, but at some point it appears you need a threaded connection along the way. The only way you can cut a pipe and use a sharkbite is on copper or pex.

I think you need a plumber at this point.

The other question here is how are you going to shutoff to make these changes? The t you want to move is below your working shutoff. If this is an apartment I'm not sure you'll be able to do the shutoff further down the line and not affect your neighbors.

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Apprehensive-Egg374 OP t1_j6akxjh wrote

I believe the super can turn off my water and do it. I’ll let you know how it goes!

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