Join Date: Apr 2011
Location: SE North Carolina
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Change in plans, found the mascerator pump to be on its last legs today so I am eliminating it and considering a gravity only overboard from a fitting at the bottom of the tank. I do have a macerating head so the stuff in the tank should be pretty finely ground. The drawback is that the tank bottom is only about 3 inches above the static waterline so the driving head near empty will be minimal. If it proves necessary, a manual pump would be pretty easy to install between the tank outlet and the seacock. All that said, my next question is, if I install a pump, is there any need to put a valve between it and the pumpout? Will the suction of a marina pumpout damage a manual pump?
By the way, sorry I started this in this forum I am a total newbie. If I can figure it out, I'll move somewhere more appropriate.