anyone knows why the ABYC does not recommend this fitting for below waterline fitting
http://www.perko.com/images/catalog/...Fig%200333.jpg
I'm replacing all my bilge pump thru hull fittings with s/s and the below water fittings with the above item along with the scupper item below
http://www.perko.com/images/catalog/...Fig%200285.jpg
thanks
jet
