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07-06-2015, 06:45 PM
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#21
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Bus Crazy
Join Date: May 2015
Location: Oklahoma aka "God's blind spot"
Posts: 2,446
Year: 1989
Coachwork: 1853FC International/Navistar
Chassis: 35' Retired Air Force Ambulance
Engine: DT466, MT643
Rated Cap: 6 souls and a driver
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Quote:
Originally Posted by gbstewart
I would really try to put your toilet right above the black tank, nice straight drop, no bends or twists to have a clog. also easier to install.
gbstewart
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Thanks for the visual 
__________________
I once complained I had no shoes....
Until I met a man with no feet
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07-06-2015, 09:27 PM
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#22
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Bus Nut
Join Date: Nov 2013
Location: Gainesville. Georgia
Posts: 544
Year: 1992
Coachwork: bluebird
Rated Cap: 72
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But I thought the healthy turds were suppose to have bends & turns and that those with a problem came out straight like a log.
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07-07-2015, 06:34 AM
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#23
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Bus Crazy
Join Date: Apr 2010
Posts: 1,208
Year: 1999
Coachwork: Bluebird
Chassis: 3800 International
Engine: T444E
Rated Cap: 72
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boy did this thread take a twist lol
gbstewart
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07-07-2015, 08:22 AM
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#24
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Bus Crazy
Join Date: Dec 2014
Location: Dowdy Lakes, Colorado
Posts: 1,444
Year: 1989
Coachwork: Thomas
Chassis: Saf-T-Liner ER
Engine: 3208 CAT/MT643 tranny
Rated Cap: 87
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Three letters: TMI Need I say more? LOL
__________________
Firearms stand next in importance to the Constitution itself. They are the American people’s liberty teeth and keystone under independence. — George Washington
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07-07-2015, 04:08 PM
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#25
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Bus Geek
Join Date: Mar 2011
Location: Houston, Texas
Posts: 8,462
Year: 1946
Coachwork: Chevrolet/Wayne
Chassis: 1- 1/2 ton
Engine: Cummins 4BT
Rated Cap: 15
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Ya...your toilet should mount so that it drops straight down into the holding tank.
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07-07-2015, 11:51 PM
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#26
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Bus Nut
Join Date: Nov 2013
Location: Gainesville. Georgia
Posts: 544
Year: 1992
Coachwork: bluebird
Rated Cap: 72
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Hubby & I talked about it some more and with the Jabsco marine crapper we felt y'all were right....so it's straight down from here (the only thing curly will be --->well you know, what Dr Oz said, curly is good).
We're new to this HepVo valve so I told Hubby I thought that with that design we shouldn't be getting any fumes from the black/grey tank in the kitchen sink. Anyone have any experience with that?
We're gonna go for it and worry about putting in an extra tank if need to later down the road and water in the sink until then.
As for a macerator...he feels that the hand pump acts as it's own macerator so we shouldn't have a need.
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07-08-2015, 07:06 AM
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#27
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Bus Crazy
Join Date: Apr 2010
Posts: 1,208
Year: 1999
Coachwork: Bluebird
Chassis: 3800 International
Engine: T444E
Rated Cap: 72
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forgot to answer about tank size I have a 40gal black and 40gal grey.
gbstewart
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07-08-2015, 07:13 AM
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#28
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Bus Nut
Join Date: Apr 2015
Location: Tomball, TX
Posts: 313
Year: 1988
Coachwork: Blue Bird
Chassis: TC/2000
Engine: Cummins 5.9TA
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Quote:
Originally Posted by gbstewart
forgot to answer about tank size I have a 40gal black and 40gal grey.
gbstewart
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How much poop fits in a 40 gallon black tank? I guess the better question would be, how long does it take to make 40 gallons of poop? Is it full after a week? A month? idk how big of a tank will work for my bus.
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07-08-2015, 04:53 PM
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#29
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Bus Crazy
Join Date: Apr 2010
Posts: 1,208
Year: 1999
Coachwork: Bluebird
Chassis: 3800 International
Engine: T444E
Rated Cap: 72
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Quote:
Originally Posted by austin1989us
How much poop fits in a 40 gallon black tank? I guess the better question would be, how long does it take to make 40 gallons of poop? Is it full after a week? A month? idk how big of a tank will work for my bus.
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it really depends, how many people and how much water. with me and my wife and daughter we can go up to 2 weeks,if real careful,and I pee on a tree or the tires we can go maybe 3 weeks, put thats pushing it, you have to keep in mind you have to use a certain amount of water, otherwise your tank can dry up and leave you with a solid mess in the tank, theres also the smell factor, it could get a bit ripe. you can use chemicals for that, also I think your toilet needs a bit more water so it can grind properly (I think). the grey tank will fill alot faster, depending how many showers, dishes, etc.
gbstewart
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07-08-2015, 05:22 PM
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#30
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Bus Crazy
Join Date: May 2015
Location: Oklahoma aka "God's blind spot"
Posts: 2,446
Year: 1989
Coachwork: 1853FC International/Navistar
Chassis: 35' Retired Air Force Ambulance
Engine: DT466, MT643
Rated Cap: 6 souls and a driver
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Quote:
Originally Posted by austin1989us
How much poop fits in a 40 gallon black tank?
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all of it, I'd hope
__________________
I once complained I had no shoes....
Until I met a man with no feet
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07-08-2015, 05:31 PM
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#31
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Bus Geek
Join Date: Sep 2014
Location: Eustis FLORIDA
Posts: 23,764
Year: 1999
Coachwork: Thomas
Chassis: Freighliner FS65
Engine: Cat 3126
Rated Cap: 15
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Quote:
Originally Posted by austin1989us
How much poop fits in a 40 gallon black tank?
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LOL 40 gallons of poop.
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07-08-2015, 06:38 PM
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#32
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Bus Crazy
Join Date: Sep 2013
Location: Vacaville, Ca
Posts: 1,634
Year: 1988
Coachwork: Crown / Pusher
Engine: 8.3 Cummins
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Quote:
Originally Posted by milkmania
all of it, I'd hope
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07-08-2015, 08:02 PM
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#33
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Bus Crazy
Join Date: Apr 2010
Posts: 1,208
Year: 1999
Coachwork: Bluebird
Chassis: 3800 International
Engine: T444E
Rated Cap: 72
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this never gets old lol
gbstewart
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07-08-2015, 08:31 PM
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#34
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Bus Crazy
Join Date: May 2015
Location: Oklahoma aka "God's blind spot"
Posts: 2,446
Year: 1989
Coachwork: 1853FC International/Navistar
Chassis: 35' Retired Air Force Ambulance
Engine: DT466, MT643
Rated Cap: 6 souls and a driver
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Quote:
Originally Posted by gbstewart
this never gets old lol
gbstewart
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__________________
I once complained I had no shoes....
Until I met a man with no feet
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07-08-2015, 09:06 PM
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#35
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Bus Nut
Join Date: Jan 2015
Location: ...little north of Toronto Ontario
Posts: 606
Year: 2000
Coachwork: Thomsass
Chassis: FreightShaker
Engine: 5.9 Cummins 5 speed
Rated Cap: 2 ATV's and friends
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This s#!t's funny.
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08-07-2015, 04:57 PM
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#36
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Bus Crazy
Join Date: Sep 2013
Location: Vacaville, Ca
Posts: 1,634
Year: 1988
Coachwork: Crown / Pusher
Engine: 8.3 Cummins
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Quote:
Originally Posted by allwthrrider
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Well I'm in the process of relocating my fuel tank so I could mount one of these tanks for a combination Grey & Black tank, it's 112 gallons but made of steel, I just read an artical about a street light that fell in San Francisco because so many people & dogs urinated on it made it corrode to the point it collapsed,
Question is if I go ahead with my plan will the bottom fall out in just a few years? 
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08-07-2015, 05:39 PM
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#37
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Bus Geek
Join Date: Mar 2011
Location: Houston, Texas
Posts: 8,462
Year: 1946
Coachwork: Chevrolet/Wayne
Chassis: 1- 1/2 ton
Engine: Cummins 4BT
Rated Cap: 15
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Urine is highly corrosive. Plastic is used for holding tanks for good reason.
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08-07-2015, 06:02 PM
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#38
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Moderator
Join Date: Feb 2007
Location: NUNYA
Posts: 4,236
Year: 1995
Coachwork: Thomas
Chassis: 3800
Engine: DT408, AT545
Rated Cap: 23 500 gvw
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Have you ever looked at the urinal dividers in a public bathroom. You would think they were made from body panels from rust salt belt vehicles.
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08-09-2015, 04:04 PM
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#39
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Bus Crazy
Join Date: Feb 2012
Location: Salt Lake City Utah
Posts: 1,635
Year: 2000
Chassis: Blue Bird
Engine: ISC 8.3
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Quote:
Originally Posted by crazycal
Have you ever looked at the urinal dividers in a public bathroom. You would think they were made from body panels from rust salt belt vehicles.
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And.. one hopes.... that's the effect just from occasional splashes, not frequent direct spray!
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09-29-2015, 11:13 AM
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#40
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Bus Crazy
Join Date: Sep 2013
Location: Vacaville, Ca
Posts: 1,634
Year: 1988
Coachwork: Crown / Pusher
Engine: 8.3 Cummins
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I'm starting the installation of my waste tanks, I'm installing a 112 gal fuel tank thats been boiled out for my grey tank & I've just ordered a 40 gal black tank on ebay, I'm going to install a macerating toilet then also have a macerating pump off the black tank but want to install a shut off valve before the pump inlet, I'm thinking this valve & it has a NBR diaphram & I'm wondering if human waste would be damaging to it.
http://www.amazon.com/gp/product/B00...23860_70668520
Stuart
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, question is can I use the sending unit as level sender to a fuel gage or will the waste just corrode it real quick ? 
