water pressure The is an old house with old pies. There is little water pressure even when you run 1 thing at a time, like the shower. any advantage to changing to CPVC in the basement where we have access? Can't really get to the ones in the walls.December 21 2008 - Wilmington00YesReport a ProblemProblemSelect oneOffensive contentIrrelevant contentSpam (pure self-promotion)OtherDetailsYour emailPlease enter a valid email address.Submit CancelContent flaggedWe will review this content. Thanks for helping make the site more useful to everyone. To learn more, read Zillow's Good Neighbor Policy.We're sorry. This service is temporarily unavailable. Please come back later and try again.