(206) 949-5683, Top Rated Plumber, Seattle
Results 1 to 6 of 6

Thread: Duplicating an old toilet supply line

  1. #1
    DIY Junior Member Dave11's Avatar
    Join Date
    May 2011
    Location
    Western PA
    Posts
    6

    Default Duplicating an old toilet supply line

    I've got a 1950's one-piece toilet, and needed to replace the fill valve. Problem is in duplicating the supply line. There's a half-inch chrome water line coming horizontally through the wall, ending at a chrome toilet valve. From there, a compression fitting on top connects to a short piece of 3/8 chrome pipe that ends in the 7/8 nut that connects to the fill valve. The length of that pipe is only 2.5 inches. The original piece was bent in the initial install, but apparently never leaked. But the modern fill valves have threads that are about half an inch longer, and the original piece would need to be bent further to make it fit.

    So I went to the plumbing supplier to look for a suitable replacement, but the guy there said no one makes anything like that, in either rigid or flexible tubing.

    The shortest flexible/braided line I can find is 6 inches, which is way too long, and there's not enough room to make a loop without really putting sideways pressure on the fittings.

    Anyone know of a way to make this connection?

  2. #2
    Forum Admin, Expert Plumber Terry's Avatar
    Join Date
    Aug 2004
    Location
    Bothell, Washington
    Posts
    14,191
    Blog Entries
    1

    Default

    They still make solid risers in 3/8" OD and 1/2" OD
    The hardware store may not carry them.

    You can also turn the shutoff at the wall away, and use a longer flexible line that loops.
    Some of the old one-piece bowls require a full size supply though, and 3/8" may provide too little volume to work.

  3. #3
    DIY Junior Member Dave11's Avatar
    Join Date
    May 2011
    Location
    Western PA
    Posts
    6

    Default

    It was at the main plumbing supplier that I was told no replacement was still made. Not a hardware store. The same people own a large plumbing company next door. I had the part in my hand, and he looked at it, and said he didn't know of a replacement.

  4. #4
    DIY Junior Member Dave11's Avatar
    Join Date
    May 2011
    Location
    Western PA
    Posts
    6

    Default

    Here's a pic of what I'm trying to replace

    The problem is that the bottom of the fill valve and the end of the horizontal section of the supply line don't line up, and the riser portion is really short, not allowing much room to bend, if its even supposed to be bent at all. But I guess if no one makes tubing this short out of anything flexible, I'll have to force it into position. That looks to be what was done originally.
    Attached Images Attached Images   
    Last edited by Dave11; 11-14-2011 at 09:16 AM.

  5. #5
    Forum Admin, Expert Plumber Terry's Avatar
    Join Date
    Aug 2004
    Location
    Bothell, Washington
    Posts
    14,191
    Blog Entries
    1

    Default

    My supplier still has them. He had 24 in stock.
    Last edited by Terry; 11-14-2011 at 09:40 AM.

  6. #6
    Retired Defense Industry Engineer jadnashua's Avatar
    Join Date
    Sep 2004
    Location
    New England
    Posts
    21,381

    Default

    Those typically come a lot longer and you cut them to the needed length, and, they are soft copper so are designed to be bent to get them aligned. It's really hard to do it on a piece that short, though.

    As Terry mentioned, if you can rotate the supply valve a little, it would allow you to use a hose with a loop. Instead of having the outlet point up, point it down with a loop in the supply. This should give you enough room to make the connections.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

Similar Threads

  1. Watts toilet supply line 9"
    By tia in forum Toilet Forum discussions
    Replies: 4
    Last Post: 10-18-2008, 05:21 AM
  2. toilet supply line make-over
    By roadk in forum Plumbing Forum, Professional & DIY Advice, Tips & Tricks
    Replies: 9
    Last Post: 07-24-2008, 06:34 AM
  3. Best toilet supply line.
    By Guest in forum Toilet Forum discussions
    Replies: 6
    Last Post: 01-16-2008, 04:58 PM
  4. Replacing Toilet supply line
    By gtmtnbiker in forum Plumbing Forum, Professional & DIY Advice, Tips & Tricks
    Replies: 12
    Last Post: 01-07-2008, 08:21 PM
  5. Toilet supply line rough in dimension
    By TonyBagadonutz in forum Plumbing Forum, Professional & DIY Advice, Tips & Tricks
    Replies: 4
    Last Post: 06-08-2005, 11:24 AM

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •