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Old 01-14-2018, 11:17 AM   #1
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How to T off galvanized pipe for fridge?


My house has galvanized pipe. The plan is to replace it with pex but for now I am living with it. Some things are pex partially.

My washer plumbing is currently ran to the kitchen so my washer is right next to the fridge. I want to t off the washer cold line and run it to my fridge with a cut off valve in between.

The hot is pex but the cold is galvanized. How can I t off it to fridge?

I know this seems like a simple question but most fittings are copper and I don't want to put copper on that galvanized pipe directly. I was thinking dielectric union but I don't want to solder anything and all they have here is stuff you have to solder.

The pipe is 1/2 and the fridge line in 1/4.

Thanks.
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Old 01-14-2018, 11:49 AM   #2
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Re: How to T off galvanized pipe for fridge?


Just for temporary I would remove the cold hose and install it with a Y fitting and adapt one side down to the 1/4" and the other side to the washer.
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Old 01-14-2018, 12:05 PM   #3
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Re: How to T off galvanized pipe for fridge?


Is there a reason you want to use the cold galvanized rather than the pex hot?
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Old 01-14-2018, 12:10 PM   #4
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Re: How to T off galvanized pipe for fridge?


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Is there a reason you want to use the cold galvanized rather than the pex hot?
What are the down sides to doing that?
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Old 01-14-2018, 12:51 PM   #5
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Re: How to T off galvanized pipe for fridge?


I run my ice maker on the hot supply. I am on a well and I find the WH precipitates out some of the mineral buildup.
The ice maker uses so little water it never sees actual hot water.
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Old 01-14-2018, 12:59 PM   #6
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Re: How to T off galvanized pipe for fridge?


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I run my ice maker on the hot supply. I am on a well and I find the WH precipitates out some of the mineral buildup.
The ice maker uses so little water it never sees actual hot water.
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Thanks. This is ice maker and water spout on fridge. So wondering if I'd be getting glasses of warm water.
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Old 01-14-2018, 03:06 PM   #7
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Re: How to T off galvanized pipe for fridge?


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Thanks. This is ice maker and water spout on fridge. So wondering if I'd be getting glasses of warm water.
Ours doesn't and it's common to supply with the hot side for reasons stated previously + any sediment with a specific gravity greater than water like rust flakes from galvanized pipe will drop out in the water heater.

But you can do a test of your own to determine how much water from the hot source reaches the ice maker / ice water termination point before hot actually gets there. Depending on your plumbing that can vary between summer and winter of course but I suspect would be negligible.
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Old 01-14-2018, 03:31 PM   #8
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Re: How to T off galvanized pipe for fridge?


All right. I will tea off of the hot side. What kind of fittings should I get to connect off that PEX?
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Old 01-14-2018, 04:55 PM   #9
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Re: How to T off galvanized pipe for fridge?


If it was mine I'd be Teeing off that line and installing a real ice maker box so I'd have a shut off right at the wall.
https://www.homedepot.com/p/Eastman-...0233/205852291
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Old 01-14-2018, 07:01 PM   #10
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Re: How to T off galvanized pipe for fridge?


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If it was mine I'd be Teeing off that line and installing a real ice maker box so I'd have a shut off right at the wall.
https://www.homedepot.com/p/Eastman-...0233/205852291
This is just temporary so I don't want to do all that right now. These lines aren't in the wall anyway. It has two lines coming up through the floor with those large shut off knobs like you would see on a hose faucet. I just need to T off of that PEX line and add a shut off valve in between and then connected to the fridge.

Just wondering the best fittings / way to do that. Eventually I'll do it right but for now I just need a solution.

Last edited by wagoner; 01-14-2018 at 07:15 PM.
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Old 01-14-2018, 08:00 PM   #11
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Re: How to T off galvanized pipe for fridge?


Sharkbite fittings will work with pex.

Any big box store sell sharkbite ice maker installation kits requiring no soldering, or gluing etc. Just cut pipe and push on.

https://www.homedepot.com/p/SharkBit...5024/206105353


Please post some pics so we can see what will work for you. Thank you.
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Old 01-14-2018, 08:53 PM   #12
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Re: How to T off galvanized pipe for fridge?


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Sharkbite fittings will work with pex.

Any big box store sell sharkbite ice maker installation kits requiring no soldering, or gluing etc. Just cut pipe and push on.

https://www.homedepot.com/p/SharkBit...5024/206105353


Please post some pics so we can see what will work for you. Thank you.
It's pretty straightforward. Just a PEX pipe coming up through the floor with 1/2 inch fitting clamped onto it and then I shut off valve into that fitting.

https://imgur.com/gallery/TBH8j
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Old 01-15-2018, 03:51 PM   #13
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Re: How to T off galvanized pipe for fridge?


I just realized my other link went no where.

https://imgur.com/a/37Ju0
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Old 01-16-2018, 08:54 AM   #14
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Re: How to T off galvanized pipe for fridge?


I would never hookup an ice maker water line to hot water line. Just like a dishwasher I would never hook it up to a cold water line. Just saying.
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Old 01-16-2018, 10:39 AM   #15
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Re: How to T off galvanized pipe for fridge?


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I would never hookup an ice maker water line to hot water line. Just like a dishwasher I would never hook it up to a cold water line. Just saying.
I really don't want to. I was thinking about just Ting off with galvanized for now. The female piece on the end of my fridge line is brass though.
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