Discharge hose running uphill

[Larry.M]

Peggie or others,
Peggie, You have said many times that after making the loop the discharge hose running from the head to the holding tank should run downhill. In my 86 Hunter 28.5 the discharge hose currently has no loop and runs into the engine compartment and then behind the engine for a total of about 4 feet slightly uphill and then goes up about 10 " to the holding tank. I can easily replace the hose and put a loop about 3 feet above the head, but then it would run slightly uphill until it gets close to the holding tank and then go up that 10". That would mean about 10 feet of hose with the first 3' straight up and then 3' straight down, a 90 degree and then slightly uphill for 3 feet and the final foot rising about 10". Will this work or do I need to get rid of the 10" rise somehow?

Larry

 

[Peggie Hall HeadMistress]

That reads like the Marx Bros "Who's on First" skit!

. That would mean about 10 feet of hose with the first 3' straight up and then 3' straight down, a 90 degree and then slightly uphill for 3 feet and the final foot rising about 10". Will this work or do I need to get rid of the 10" rise somehow?

Ok...the first 3' goes up to the loop...but why does it have to come down from the loop far enough to create any uphill run to the tank? Why can't you come down just a foot...18"...2" instead, so that the run to the tank remains slightly downhill?

 

[Larry.M]

The head is on the starboard side beside the engine compartment and the holding tank is on the port side just back of the engine and under a small stateroom. If I do not bring the discharge hose back down to where it is now I will have to run it in the stateroom. I guess I can do this and using new Trident hose there should not be a smell issue, but it will be unsightly. The present setup has it going under the floor of the stateroom and under a 2" hose coming from the engine compartment which then necessitates it going up as it gets to the holding tank.

 

[Joe]

Re: "Marx Brothers" comment

Uhmmmm... "who's on first?" that would be Abbot & Costello... Thankyou.

 

[Larry.M]

I don't know, but I know I don't want to unless I have to to make it right.

 

[Peggie Hall HeadMistress]

Ooops

Uhmmmm... "who's on first?" that would be Abbot & Costello... Thankyou.

I knew that..brain burp! Thanks!

Larry, sounds like your tank is way too far from the toilet.How tough would it be to move it? If you'd like to do a little brainstorming, email me.

 

[Warren Milberg]

I have the same model boat. I doubt the actually straight lline distance from the head to the holding tank is more than 3 ft. The OEM plumbing I have on my boat seems to do the job nicely. Larry, what issues are you having with it? Remember, if it ain't broke....

 

[Peggie Hall HeadMistress]

It's hose length, not straight line distance, that matters

I have the same model boat. I doubt the actually straight lline distance from the head to the holding tank is more than 3 ft. The OEM plumbing I have on my boat seems to do the job nicely. Larry, what issues are you having with it? Remember, if it ain't broke....

'Cuz bowl contents have to travel the entire length of the hose to get the to tank. What doesn't make it is left sitting in the hose to permeate it. This is a prime of example of "if it ain't broke YET..." fix it BEFORE it does. 'Cuz prevention is always cheaper than cure.

But you're right...we do need to know WHY he's suddenly feeling the need to replumb it. However, your OEM plumbing may not be the same is his, even on the same model/year.