Composting toilets in 5.0? - Page 2 - Escape Trailer Owners Community

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Old 12-01-2014, 12:17 AM   #11
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The problem with "S" traps (I've seen some in Escape under-sink photos) rather than true "P" traps is, if you run a fair quantity of water down the drain at one time, the water on the lower vertical portion can suck the water out of the trap, thus the sewer smell. In a true "P" trap, the segment just downstream of the trap is horizontal (the "trap arm") and tends to slow the water velocity enough.

Of course, that's not a problem in the A models.

Don
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Old 12-01-2014, 01:56 AM   #12
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Can anyone explain what happened on our last camping trip . We were in San Diego after we hooked up sewer gas was in whole trailer . Also could smell outside from ground near sewer connection . They did move us . Our black tank was empty as was the grey tank . Never in all our camping had this happen before. Any ideas ? It was very bad .m
We just had arrived . Never open black until full . We did open grey but it was clean and empty . There was other sites in that line also smelling outside . We moved across to other side of park . Is it true we really do not have P - traps which I think I saw mentioned somewhere else ? So because of these s traps never should open until they are full ? Thankyou all for helping .
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Old 12-01-2014, 10:25 AM   #13
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While true, when using a composting toilet instead of a flushing toilet one doesn't have to empty a black tank but, sooner or later something is going to have to be emptied.
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Old 12-01-2014, 12:46 PM   #14
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Is it true we really do not have P - traps which I think I saw mentioned somewhere else ? So because of these s traps never should open until they are full ? Thankyou all for helping .
The Escape 19 has an S trap on the kitchen sink. Don't know about other models. While it's true an S trap isn't permitted in residential plumbing because it can siphon dry and therefore not be a trap anymore, the volume of water going down from a typical RV sink makes this less likely. I probably wouldn't have changed mine if I wasn't relocating the plumbing.

Many RV parks have septic tanks. I've often smelled odour outside caused by a less than adequate septic system.

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Old 12-01-2014, 03:24 PM   #15
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Keep us up to date, if you go with a composting toilet. You will hear different opinions here, about lots of topics. Often that's related to how the trailer is being used: RV park? NF campground? Or ...off the grid... Sounds like something I would consider as it would allow me to stay out longer...I think.
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Old 12-01-2014, 03:49 PM   #16
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Thanks Ron for explanation. We did open grey back up 3rd day with no problems because do not relish having to go out late at night to dump grey after showers . Our trailer shower is a lot nicer . The side they moved us to didn't stink as the first day on other side . I think on the way down the freeway was in many places like going down a dirt road shaking us up bad . They are working on our freeways . Maybe it shook all water out .
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Old 12-01-2014, 10:33 PM   #17
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Thanks Ron for explanation. We did open grey back up 3rd day with no problems because do not relish having to go out late at night to dump grey after showers .
I believe the practice of leaving the grey valve open, while convenient, results in the campground sewer system venting through your Escape....not through the drain traps, but up through the tank vent on the roof, which is in close proximity to the ceiling fan, windows, etc.
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Old 12-01-2014, 11:42 PM   #18
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I believe the practice of leaving the grey valve open, while convenient, results in the campground sewer system venting through your Escape....not through the drain traps, but up through the tank vent on the roof, which is in close proximity to the ceiling fan, windows, etc.
I agree. I would not do that.

Also, I want water in the grey waste tank, so that after dumping the black tank I can follow it with the grey tank to flush any solids out of the sewer hose.
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Old 12-02-2014, 12:55 AM   #19
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We wait and dump at home and then can clean good . Many area's in park stunk . But I guess we won't anymore -leaving grey open because that was nasty . And we will never go back to that campground again . Lessons learned . Thankyou Parker .
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Old 12-02-2014, 12:56 AM   #20
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And Ron .
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