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Old 02-01-2011, 04:02 PM   #1
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Replacing water line for refrigerator


I need some advice. I need to replace the water line that runs from the main water line to the refrigerator. Currently there is a saddle valve tapped into the main cold water line in the utility room. From there a 1/4" copper pipe runs up to the attic, over to the pantry (behind the fridge), then through the wall near the floor to the rear side of the fridge. I believe there is an issue with the saddle valve, so I plan on replacing it with something else. Since I'm replacing the value, I am considering replacing the copper pipe since it's pretty old. My question is this: should I replace with the same size pipe/tubing (1/4") or should I run something with a larger diameter until I get to the kitchen, then downsize to 1/4"?

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Old 02-01-2011, 05:04 PM   #2
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Replacing water line for refrigerator


Keep it 1/4". You can find 1/4" Copper icemaker kits and the big box stores

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Old 02-01-2011, 05:37 PM   #3
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Replacing water line for refrigerator


X2 ditto

The ice maker uses very little water and only once in a while.
It's not like you need a steady flow or large amounts of water to serve the icemaker.

Another thought on this one is the use of a saddle valve. If you are going to replace the copper pipe anyway, install a tee with a cap and have a shutoff before the saddle valve.

This way you can turn off the water to the fridge if you need to. In some places this is becoming the new code.

or this configuration



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Old 02-01-2011, 05:46 PM   #4
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Replacing water line for refrigerator


If it were me, I'd not run that flimsy 1/4" copper tubing that far up through an attic. I'd run 1/2" to behind the fridge, assuming access is easy, then use an angle stop and a braided supply hose, similar to plumbing a toilet.

I am no plumber, but something about a long run of that flimsy pipe just sounds like a leak waiting to happen. I'd do it for strength and stability, not more water volume.
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Old 02-01-2011, 05:50 PM   #5
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Replacing water line for refrigerator


I don't think the size of a pipe makes it more or less prone to leaking.

I've seen plenty of 1/2" pipes leak......jus' sayin'
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Old 02-02-2011, 07:02 AM   #6
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Replacing water line for refrigerator


Quote:
Originally Posted by tcleve4911 View Post
X2 ditto

The ice maker uses very little water and only once in a while.
It's not like you need a steady flow or large amounts of water to serve the icemaker.

Another thought on this one is the use of a saddle valve. If you are going to replace the copper pipe anyway, install a tee with a cap and have a shutoff before the saddle valve.

This way you can turn off the water to the fridge if you need to. In some places this is becoming the new code.

or this configuration



"Do this you'll be much better off in the long run, do not mess with the copper line it's the proper size and copper never wears out".
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Old 04-08-2011, 12:59 PM   #7
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Replacing water line for refrigerator


Quote:
Originally Posted by tcleve4911 View Post
X2 ditto

The ice maker uses very little water and only once in a while.
It's not like you need a steady flow or large amounts of water to serve the icemaker.

Another thought on this one is the use of a saddle valve. If you are going to replace the copper pipe anyway, install a tee with a cap and have a shutoff before the saddle valve.

This way you can turn off the water to the fridge if you need to. In some places this is becoming the new code.

or this configuration



Same problem, my question is, how long can the 1/4 inch OD pipe be?
I am thinking I have to run 40 feet, up-over-down. Thanks
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Old 04-08-2011, 01:57 PM   #8
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Replacing water line for refrigerator


You can run a 40 foot 1/4" line for an icemaker. Use copper "L" copper or "K" copper don't use M.

Last edited by COLDIRON; 04-08-2011 at 02:13 PM. Reason: Changed text
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Old 04-08-2011, 03:39 PM   #9
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Replacing water line for refrigerator


Quote:
Originally Posted by Orchard View Post
Same problem, my question is, how long can the 1/4 inch OD pipe be?
I am thinking I have to run 40 feet, up-over-down. Thanks
If you ever buy a fridge with an ice/water dispenser in the door, I think having 40 feet of 3/8" line would allow the water dispenser to fill your cup faster than 40 feet of 1/4" line.

Just a thought,
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Old 04-08-2011, 03:57 PM   #10
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Replacing water line for refrigerator


Quote:
Originally Posted by COLDIRON View Post
You can run a 40 foot 1/4" line for an icemaker. Use copper "L" copper or "K" copper don't use M.
Wasn't sure if the distance would matter, thanks for info.
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Old 04-08-2011, 05:11 PM   #11
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Replacing water line for refrigerator


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Wasn't sure if the distance would matter, thanks for info.
Your welcome, most refrigerators have a tank that the water fills up and when you push the fill valve the water comes from the tank, the reason, the water sits in the tank to cool it before it dispenses.
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Old 04-08-2011, 09:30 PM   #12
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Replacing water line for refrigerator


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Your welcome, most refrigerators have a tank that the water fills up and when you push the fill valve the water comes from the tank, the reason, the water sits in the tank to cool it before it dispenses.

One more question, maybe 2. I am going to put in a ice maker valve box.
I am going to run the 3/8" to that. Since the box has a 1/2 thread connection to the water line, do I put in like a reducer connection and then solder the 3/8" to that?

Di
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Old 04-09-2011, 07:05 AM   #13
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Replacing water line for refrigerator


Don't solder to much can go wrong.
Install a1/2" Female NPT to 3/8" compression.
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Old 04-09-2011, 07:30 AM   #14
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Replacing water line for refrigerator


Quote:
Originally Posted by COLDIRON View Post
Don't solder to much can go wrong.
Install a1/2" Female NPT to 3/8" compression.
Thanks a bunch, I may sound a bit confused, but I think I know what I doing!

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