I have two of these clearviews. Both draw water into the internal space when operating at full revs (1700RPM) which renders them useless. I have installed and reinstalled, exactly as per specification. Water seems to be sucked in, over the lip that sits under the rotating outer ring. Even the lightest spray across the window starts this process. Mine are 24V units. When I run them at about half revs, they seem to stay dry, but at full revs they are doing the opposite of what they should. Water is sucked in. They are rotating in the right direction. The drain hole is at the bottom. Revs have been checked with a tacho. All gaskets are perfect and installed as per the installation instructions. Anyone out there with any suggestions? I am at my wit's end.