I purchased a dishwasher and installation from the GE Outlet Store online... GEOUTLETSTORE.COM When the dishwasher arrived, the delivery/installation man looked at the existing dishwasher plumbing connections and told me that GEOUTLETSTORE.COM has a policy that if the house has COPPER PIPES, they can not install a dishwasher. THIS IS NOT DISCLOSED ON THE WEBSITE. I am 50 years old, and have never SEEN a house WITHOUT copper pipes. read full review »