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how do you pump out the holding tank?
ray lunder wrote:
Ahoy, I'm trying to figure out how to install this plastic holding tank. So let's be optimistic and say the tank is half full and you want to pump it all out and you're 3 miles out, etc. You open both sea cocks, divert the Y valve to the holding tank and start pumping. But doesn't this just fill the holding tank with sal****er as it flushes out the waste? I want the tank to be clean and empty, right? Sorry if this is dumb, I've never had a tank before. It's 6 gallons with two 1 1/2" stubs, one of which goes down to the bottom of the tank, and one 3/4" vent. Where does the vent get installed? All the stubs are on top of the tank. Thank you. The toilet is plumbed to the top fitting on the tank. The "stub" that goes to the bottom of the tank goes to the input of the "Y" valve. One outlet of the "Y" valve goes to the deck pumpout fitting, the other outlet goes to a macerator pump then from the pump to the thru hull. You need to install a vent thru hull somewhere in the upper area of the hull. The macerator pump is used to pump out the tank when more than three miles off shore. In the US, when inside three miles be sure the "Y" valve is in the deck pump out position and locked else you risk a citation if boarded by the coasties. krj |
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