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Old 08-26-2014, 06:28 PM   #11
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Re: PLUMBING QUESTION, VENT RELATED

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Originally Posted by lornaschinske
David & I have been talking about what you are trying to do. We have found a few issues that may give you problems later with tanks. My question is, are you planning on adding holding tanks later?
honestly....no...reality is if we "had" to live of grid because of an emergency whatever......a hole in the ground would work just fine, hell out houses have been used before

when we "Glamp" we want 50 amp or atleast 30...so we can have guests and party w/o blowing a fuse....you have seen what happens then?...right? who ever goes to "just flip the breaker back"

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looses there head or their heart falls to the ground with thier stomach

so I really dont see holding tanks in the future

And with 15 ft of 3" pipe I would need a real...real...emergency to have to use it on the road....at that point...fill it up
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Old 08-26-2014, 06:50 PM   #12
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Re: PLUMBING QUESTION, VENT RELATED

15' of 3" pipe will give you a hair over 5g of storage. thats just right for a single flush from a standard toilet
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Old 08-26-2014, 07:01 PM   #13
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Re: PLUMBING QUESTION, VENT RELATED

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15' of 3" pipe will give you a hair over 5g of storage. thats just right for a single flush from a standard toilet
yup with one in the chamber ..... .......

kind of my hi-way goal

we should have pictures of something by sunday....3 days until me and my friend head out....still got porto pot under shelf
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ugh...gotta go and check...hope it's clean from last trip
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Old 08-26-2014, 07:04 PM   #14
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Re: PLUMBING QUESTION, VENT RELATED

Quote:
Originally Posted by turf
15' of 3" pipe will give you a hair over 5g of storage. thats just right for a single flush from a standard toilet
Two flushes (or more) with a current low flow standard residential toilet. Some I just looked at were dual flush using 1 gal for "liquids" and 1.25 for "solids". None on the shelf used over 1.25 per flush. Our cheapo $68 toilet is a 1.25 gal per flush. My math is probably rusty but I come up with 4 flushes to equal 5 gallons so 3 flushes for safety (although my tank calculator shows 6 gallons for a "tank" that is 3 inches in diameter and 180 inches in length).
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Old 08-26-2014, 09:30 PM   #15
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Re: PLUMBING QUESTION, VENT RELATED

All right, Enough potti talk for now. Where you and your friend heading out to? Will you remember to take your camera? Love, Mom
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Old 08-27-2014, 05:22 AM   #16
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Re: PLUMBING QUESTION, VENT RELATED

outer banks in NC...and always have the picture machine with me
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Old 08-27-2014, 05:28 AM   #17
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Re: PLUMBING QUESTION, VENT RELATED

cheater valves...ahhh...so why vent toilet thru roof?

couldn't I just install one of these at toilet under floor at the top (under skirt)?

so toilet flange, 12 inch drop with vent, then curve to 3 inch long pipe, this should put the vent about 2 ft above mainline
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Old 08-27-2014, 07:45 AM   #18
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Re: PLUMBING QUESTION, VENT RELATED

i've never used a AAV, but i think they need to be above the water line of the toilet..... otherwise it would just be another drain opening.

venting through the roof also lets gas escape from your holding tank (3" pipe) to keep the smell out of your cab.
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Old 08-27-2014, 08:54 AM   #19
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Re: PLUMBING QUESTION, VENT RELATED

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i've never used a AAV, but i think they need to be above the water line of the toilet..... otherwise it would just be another drain opening.

venting through the roof also lets gas escape from your holding tank (3" pipe) to keep the smell out of your cab.
not sure, if they work under a kitchen or bathroom sink inside your house, then it should be fine used under the floor and shouldn't leak gas out....right

water drops a foot past the vent intersection and flows down through 3" pipe, and the vent goes up a foot plus...should keep liquid out

gosh my brain...I feel like I have chemo brain today
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Old 08-27-2014, 09:03 AM   #20
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Re: PLUMBING QUESTION, VENT RELATED

A Cheader/Cheater/Schrader valve is a Air ADMITTANCE valve. A one way valve that allows air to only travel in ONE direction which is into the pipe, not out. Any holding tank, fresh, grey or black, must allow air to flow both ways as the tank must be able to expell the air the liquid displaces as well as allow the intake of air for when the liquid leaves the tank.

You need to vent not only your holding tanks but your drain lines. Air must be able to enter the main drain between the P-trap and the main drain.

Is the sewer side at the toilet or at the galley sink?
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