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Old 02-01-2011, 12:59 PM   #1
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Low point in water supply lines


Iím replacing the old copper water lines in a section of my basement, using Pex-A, and re-connecting to the old copper lines as they go above the garage (which is level with the basement). I want to run the pex perpendicular through the joists, instead of below them, where the old copper now runs, but it occurred to me that this will make the old copper lines above the garage a ďlow pointĒ in the supply lines, making it impossible to drain them without cutting into them. Itís only a 2 inch difference in height. I flipped through the IRC and didnít see any regulation on this issue, though every house Iíve lived in, the supply lines were totally drainable through a faucet or spigot at the lowest point.


Anyone know if this is in fact prohibited by Code? Or whether it is a bad idea otherwise?

As far as I can see, the only drawback would be a face full of water if I ever had to work on the lines over the garage.

And again, Iím talking about the supply lines, not the drains.


Thanks.

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Old 02-01-2011, 02:25 PM   #2
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Low point in water supply lines


Pittsburg, garage, water lines..........ICE? Specially if you can't drain them.

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Old 02-01-2011, 07:06 PM   #3
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Low point in water supply lines


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Originally Posted by Jackofall1 View Post
Pittsburg, garage, water lines..........ICE? Specially if you can't drain them.
The same copper lines have been there above the garage for 60 years, and haven't frozen yet. I don't know many people who drain their plumbing for freezing weather.
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Old 02-01-2011, 07:13 PM   #4
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Low point in water supply lines


Nope you are right, but if you do need to drain and it is freezing weather how will you do it.

Just making a point.

So you have lines in your garage that are 60 year old copper, really, I thought most builds back then were with galvanized, learn something new every day.

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