plumbing for hi-lo power flush Home › Forums › Archives › Old Bulletin Board Archives › plumbing for hi-lo power flush This topic has 0 replies, 1 voice, and was last updated 21 years, 4 months ago by Brandon Rohricht. Viewing 0 reply threads Author Posts 29 Aug 1999 at 1:34 am #281438 Brandon Rohricht Have a problem. raised floor in basement by 6 around water closet & shower. hi-lo instructions say shower should be raised an additional 4. what can I do to prevent having to do this? Author Posts Viewing 0 reply threads The forum ‘Old Bulletin Board Archives’ is closed to new topics and replies.