Vacu Flush direct discharge
I have 2 vacuflush heads aboard. Curently they are setup to flush directly into the holding tank, then there is a Y valve that allows me to either pump out at the dock or use a T pump to dischage overboard. I want to change the system to be able to flush directly overboard when offshore, bypassing the holding tank, therfore eliminating the need for carrying gallons of chemicals for the tank. The question is will the VFs flush ok when my thru hull is 2' below the water line or will they just back up into the vacumn tanks? I am also thinking I need a vented loop to avoid siphoning which means the waste will be going up hill before even getting to the thru hull.
Sailor Jerry
1987 46 Island Trader Ketch
2004 19 Glastron
Jerry Wilhite somf77@yahoo.com writes:
I have 2 vacuflush heads aboard. Curently they are setup to flush directly
into the holding tank, then there is a Y valve that allows me to either pump
out at the dock or use a T pump to dischage overboard. I want to change the
system to be able to flush directly overboard when offshore, bypassing the
holding tank, therfore eliminating the need for carrying gallons of
chemicals for the tank. The question is will the VFs flush ok when my thru
hull is 2' below the water line or will they just back up into the vacumn
tanks?
I'm not an engineer, and I don't work for Vacuflush, but I can guarantee that
they will have no problem pushing this.
I am also thinking I need a vented loop to avoid siphoning which means the
waste will be going up hill before even getting to the thru hull.
You do not need a vented loop, because the pump already has a check valve.
Now, my editorial comment: I would not do this if I were you. This is a bunch
of extra plumbing, a new 3-way valve, and one more thing to forget. Easier to
just empty the tanks every morning when you get underway.
Scott Welch
Chief Evangelist, Open Text Social Media Group
www.opentext.com
905 762 6101
"Things turn out best for people who make the best of the way things turn
out." - John Wooden
it works well, came that way with the boat
Noel
Scott H.E. Welch wrote:
Jerry Wilhite somf77@yahoo.com writes:
I have 2 vacuflush heads aboard. Curently they are setup to flush directly
into the holding tank, then there is a Y valve that allows me to either pump
out at the dock or use a T pump to dischage overboard. I want to change the
system to be able to flush directly overboard when offshore, bypassing the
holding tank, therfore eliminating the need for carrying gallons of
chemicals for the tank. The question is will the VFs flush ok when my thru
hull is 2' below the water line or will they just back up into the vacumn
tanks?
I'm not an engineer, and I don't work for Vacuflush, but I can guarantee that
they will have no problem pushing this.
I am also thinking I need a vented loop to avoid siphoning which means the
waste will be going up hill before even getting to the thru hull.
You do not need a vented loop, because the pump already has a check valve.
Now, my editorial comment: I would not do this if I were you. This is a bunch
of extra plumbing, a new 3-way valve, and one more thing to forget. Easier to
just empty the tanks every morning when you get underway.
Scott Welch
Chief Evangelist, Open Text Social Media Group
www.opentext.com
905 762 6101
"Things turn out best for people who make the best of the way things turn
out." - John Wooden
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