new hot water installation Home › Forums › Archives › Old Bulletin Board Archives › new hot water installation This topic has 0 replies, 1 voice, and was last updated 24 years, 7 months ago by NANCY HARRISON. Viewing 0 reply threads Author Posts 9 May 1999 at 1:48 pm #282491 NANCY HARRISON Is a special union used on cold or hot water line to reduce corrosion? Author Posts Viewing 0 reply threads The forum ‘Old Bulletin Board Archives’ is closed to new topics and replies.