Vacu flush mayhem

Ovmman

Member
Sep 16, 2016
51
Great South Bay, Long Island
Boat Info
2005 280 Sundancer with twin 4.3 engines, alpha 1 gen 2
Engines
Twin 4.3 alpha 1 gen 2
hi guys, try to keep it short, had the cap off the holding tank, where you would pump it out from. Tried to fill some of the tank with the garden hose to flush out the tank but it would not take any water, seemed to just fill the hose, not sure if there’s a check valve there. When I flushed the bowl water seemed to pump out the outlet where the cap would be. Then for shits and giggles (no pun) I opened the ball valve for the macerator and the tank seemed to empty itself on the ground with out me turning it on. Does any of this make any sense Will change the vent this week but not sure if would affect it Thanks Tony
 
I think your tank vent line and or filter is plugged.

The fittings are standard garden hose and you can buy new filters on amazon for about $40. Lots of threads on here about this...search on “holding tank volcano” for my initiation to holding tank hijinx.
 

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