Question about Washing Machines
You could try using muriatic acid, (very powerful) and a spray bottle to try to force some acid into the pipe. Let it sit in there for a while then put a bucket under the 6" nipple and let some water flow, bringing out some of the rust. Then put things back together. You won't get it all but it may help open things up a bit.
Posted on Sep 24, 2009
If you're using 3/8" galv and it's corroded to the point, that you need to run a wire through it to get water flow, just cleaning out the last 2 feet won't help that much. The only way to fix it is to uninstall the pipe, starting at the top and go down. This will give you the holes needed to run new pipe. You can run copper but since you can't put any holes or access panels in for soldering access, you will have to solder threaded ends onto the pipe. Thread the pipe through the old path and tighten it up. My house was built in 1925 and I had to do the same thing about 10 years ago. I used 3/4" copper for strength while tightening. Put 2 SMOOTH layers of teflon tape on the male threads before you push the pipe through. A real thin layer of sealant on top of the tape will help, since you won't be able to get right at the joints to hold both pieces with a wrench.
The only other POSSIBILITY to get more water through the line is to fill it with vinegar and let it soak overnight. To do this, you will have to remove the pipe at the heater and the top, drain it, plug the bottom and pour vinegar into it from the top. After 24 hours, drain it, reconnect it and flush it out without the aerator on your spigot.
Posted on Sep 23, 2009
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Posted on Jan 02, 2017
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