Timeline for answer to Why are there loops of copper water pipe coming out of my concrete floor? by Jim Stewart
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| Jul 27, 2021 at 23:01 | comment | added | Jim Stewart | Could you post a picture of the supply lines for the old tub? In my house in one bathroom there is one cold line coming out of the slab and it divides in the wall to go to lavatory, toilet, and shower. There is one hot line coming out of the slab and it divides in the wall to supply lavatory and shower. | |
| Jul 27, 2021 at 22:44 | history | edited | Jim Stewart | CC BY-SA 4.0 |
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| Jul 27, 2021 at 22:35 | comment | added | Jim Stewart | You pulled out a tub near these pipes, right? There were hot and cold lines to the faucet for that tub, right? There is a possibility that the two lines to the old tub are originating at these loops. If so, the easiest way to proceed might be to extend the original lines in a wall to the location of the new tub. Or cut off the no longer needed lines at the loop and redirect to the new location. | |
| Jul 27, 2021 at 22:23 | comment | added | jay613 | Probably the right is hot and the left is cold, feeding the sink, shower, and the 3rd cold is for the toilet. There was a bit of artistry involved with the 3/4" feeds spaced perfectly to allow an evenly spaced out-to-in flow of the pipes. You have to respect that. You're going to ruin the feng shui by adding more pipes in some random boorish direction of your choosing. :) | |
| Jul 27, 2021 at 0:44 | comment | added | Jim Stewart | @Wayne Conrad, the copper tubing used under slabs is soft and is bent into a gentle curve to go from horizontal to vertical to come out of the slab. This tubing comes on long rolls, just like refrigeration grade copper tubing. In new construction there are no joints or fittings of any kind under a slab. Above the slab the copper tubing is hard, unbendable copper connected traditionally by fittings "sweated" tin-copper or other solder. | |
| Jul 26, 2021 at 21:30 | comment | added | Harper - Reinstate Monica | 3/4" hot water pipe in a big loop, not homeruns? Anticipation... antici-pay-yay-shun, it's making me wait! | |
| Jul 26, 2021 at 20:50 | comment | added | Wayne Conrad | How does the copper below the slab make bends without sweated joints? You say that repairs in soil are made using crimp connections. Are crimp connections also used for elbows in soil in new construction? | |
| Jul 26, 2021 at 20:12 | comment | added | Jim Stewart | Edited my answer. | |
| Jul 26, 2021 at 20:11 | history | edited | Jim Stewart | CC BY-SA 4.0 |
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| Jul 26, 2021 at 19:54 | comment | added | kthornbloom | @cutrightjm it answers the first question of "why 7?" by telling me they are normal supply lines, which kind of answers the 2nd question I had. | |
| Jul 26, 2021 at 18:53 | comment | added | cutrightjm | I may be missing something here, but I don't really see how this answers the question.. it's not known whether or not the sweated joints are in contact with soil or not, and the question was whether or not a tub faucet could be connected here. | |
| Jul 26, 2021 at 0:53 | vote | accept | kthornbloom | ||
| Jul 26, 2021 at 0:51 | comment | added | kthornbloom | Ah ok, I guess this makes sense. So it could be sort of a "manifold" where the main water lines are branched out, and it's above ground to avoid corrosion? This seems plausible, so I'll accept this answer! | |
| Jul 26, 2021 at 0:09 | history | edited | Jim Stewart | CC BY-SA 4.0 |
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| Jul 25, 2021 at 23:44 | history | edited | Jim Stewart | CC BY-SA 4.0 |
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| Jul 25, 2021 at 23:36 | history | answered | Jim Stewart | CC BY-SA 4.0 |