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Welcome aboard! If you are a live-aboard in a marina that offers that option, there should be a pump out station (if not at your slip) where most are free. That said, tip the fellow who does that for you and you won't have to clean your hull!Hey guys, fresh new here, me and my wife just bought a 1976 Sea Ray Weekender 300 for liveaboard. We're trying to empty the grey water tank overboard, but are unable to find a switch to do so. Any tips?
yes, there is a macerator and sewage tank .You very well may not have a grey water overboard discharge. That would completely negate the reason for having a grey water tank to begin with. You would need to go to a pump out station and they would suck it out (a shop vac on steroids) through the deck plate.
Unless... are you talking about the black water tank? That can only be pumped out, legally, once you're certain distance off the coast and your boat would have to have a macerator - which you may or may not have.
yes gray water goes over board and we got holding tank system with macerating pump beside it. Aka waste pump.Where is the switcher for it ???? Can't even find the fuse for itTypically on these boats the gray water flows by gravity or by a sump pump over the side. Black water tank is a whole different ballgame. No pumping (macerator) unless out at sea by several miles. (I think three is the requirement.)
Gray water = sink, shower, A/C condensate, etc.
Black Water = sewage
Welcome aboard! If you are a live-aboard in a marina that offers that option, there should be a pump out station (if not at your slip) where most are free. That said, tip the fellow who does that for you and you won't have to clean your hull!
Another option is where you fuel. Our marinas all seem to have a pump out hose at the fuel dock and they do not mind you using it at all.
Some of the old Sea Rays had a system that was called a "treatment" system and had a breaker on the DC panel labeled "treatment" that started a treatment/discharge cycle. It was a complicated system and almost all of them have been replaced with a simple waste holding tank that is connected to the deck pump out fitting and sometimes a discharge/macerator as well. In my boat the breaker that activates the discharge/macerator is labeled "treatment so check to see if you have that breaker. I am familiar with that old system because a friend has a 1986 340EC that still has that system and it still functions.