It did not sound like it.. they made the comment that they could not be responsible for aquarium design and installation issues...which may be true, but since this is as an important piece of information as is the ht of the overall skimmer...., it should have been made known from the beginning. Live and learn!
They did offer plmbg parts for the drilled application....over all I am happy with the products, I use one and still will ..
This is an RC180, I do wonder if any others had the same problem?