08-05-2018, 07:37 PM
(08-05-2018, 03:43 PM)Rotor Wrote: My 86 3600 doesn't have a Y valve. The macerator is plumbed to a separate pickup tube and then to a thru hull. There is no way can you accidentally flush raw waste overboard.
You have to keep the valve to the mascerator closed and locked at all times with the flow going to the holding tank. Otherwise the coast guard will find the crap (no pun intended) out of you. Mine is locked down and set on the hose going to the pump out opening.


![[-]](https://www.tiaraownersclub.com/forum/images/netpen-pro/collapse.png)