First time installing dishwasher, elbow connection question

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by dfresh4130, Oct 11, 2009.

  1. dfresh4130

    dfresh4130 New Member

    Oct 11, 2009
    Just put in a new GE dishwasher to replace an old one. First time I've done this and I've gotten to the point where it said get a 90 degree elbow with ferrule and compression nut. Now when I look at the hot water hose that's already there it's about 3/8" hard rubber with the end connecting to the elbow being molded with a nut already on it that can't be removed. Can I just install the new elbow and reuse the old nut? The elbow I bought has a small brass piece that goes in the end where the nut connects, but I can't put it in with the old hose. Is that absolutely necessary or will I have any problems if I don't put it in?
  2. seaofnames

    seaofnames DIY Senior Member

    Jan 25, 2009
    Mission, BC
    Replace all the old parts. If you have to cut a bit into the wall, do it. It will save you the hassle of leaks or other repairs later.
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  4. hj

    hj Moderator & Master Plumber Staff Member

    Aug 31, 2004
    Cave Creek, Arizona

    If the old connection fits the new elbow you can reuse it, but a better way would be to replace the entire hose if it is rubber or plastic.
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