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Old 04-07-2020, 05:58 PM   #11
FlyboyTR
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Quote:
Originally Posted by Shane826 View Post
To clarify - the concern was pumping the smell at people level, instead of venting out the roof like on a traditional camper. But to be fair I vent my SeaLand toilet out under the floor and have no issues either...

Glad the fan works though.
Thanks! As long as it gets vented...I don't care where it goes! LOL

After using the camper and the vent for 26 nights it was never a problem.

I guess venting out the floor or the side wall...there is always the possibility of catching a whiff if the conditions are perfect.
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Old 04-07-2020, 08:17 PM   #12
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Remember, Shane, that's where the bathroom fan vents anyway. Now, admittedly, the fumes from Flyboy's powered vent will be more, um, odorific, but I suspect that venting from the roof wouldn't make a significant difference. The particular gases being vented are likely to sink in the air so if they were vented from the roof they'd sink anyway. Hopefully by the time they'd get to anyone's party, they'd be diffuse enough that no one would notice.
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Old 05-23-2020, 09:48 AM   #13
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Default It works, very well.

This invention by Travis works great, and the video was easy to follow.

By simply taping the 60mm fan between two 2" PVC adapters, I save a little bit of space - and a lot of the time which would have been necessary to trim the fan (to fit inside the rubber tubing segment). The Tape I used is 1/15 aluminum 3M "Cold Weather" 181A-P, 181B-FX Duct Tape (product number 3340). This is not normal "duct tape", it is thin and doesn't flex, and it WON'T loose adhesion like the not-code-compliant cheap stuff.

Unfortunately, my "big box store" did not have any 2"x1" adapters. My PVC pipe segments will only be 3/4" size, creating a lot more resistance to airflow. If it doesn't work OK when I install it, then I'll need to buy two of the bigger adapters online, and redo the pip segments and elbow with 1".
- - - -
My Installation: Travis was able to pull the level indicator and swap it to the other mounting point (on the left side side, opposite). That change made his PVC segment short and clean. I spent an hour trying to both "press out" my level indicator (from below) and "pry out" the darned thing from above, but I was unable to make it budge. Instead, I installed a much longer (and uglier) pipe from the left side mounting. I also lacked a proper adapter for the mounting hole, and sealed my connection with more 'duct tape'. It doesn't look good, but it works pretty well.

In a second surprise, the power input to the existing fan switch was actually the purple wire. When I looked it it (in a hurry, and to lazy to pull out my DVM) I thought "Well of course, they used the a black wire on the 12V source, and the switched wire to the fan is the purple."

Nope. So my new fan is currently switched by the old fan switch. That original switch (for the other fan) was also built with the "on" position backwards and down, reversed from the label. And so - while leaving my new switch on all the time, the time, my new switch is simply an indicator light for both fans, which run together. This would be easy to fix, if I want them to be independent in the future. And the old fan is quite noisy, you don't really need an 'indicator light" to confirm that the switch position is backwards.
- - - -
The real test? a 3-day boondock is coming up next week. I will post another "real-world performance" reply, with (ahem!) genuine odors, after that trip.
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Old 05-31-2020, 03:21 PM   #14
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Rick,
Glad you got that done. I remain super pleased with mine.
I just wish I had thought to install a ball valve before I sloshed the contents into the vent line while towing the camper (toilet was about half full).
Not my finest moment. Although...problem solved with the ball valve.
I look forward to hearing about your 3 day test! Good luck!

Quote:
Originally Posted by rickst29 View Post
This invention by Travis works great, and the video was easy to follow.

The real test? a 3-day boondock is coming up next week. I will post another "real-world performance" reply, with (ahem!) genuine odors, after that trip.
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Old 05-31-2020, 04:31 PM   #15
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Default As Travis has <strongly> recommended ...

When I take out the TM to pack up for that trip, I will cut my long pipe segment and insert a ball valve (which I have already bought) to prevent 'juicy juice' from splashing up and wrecking the fan during travel.
Since we sometimes come home with a loaded toilet, that's important. Later in the week (we're driving almost all of it, both ways): https://travelnevada.com/road-trip/l...-road-america/
Edit 6/2/2020: Valve is in, and the 3/4" pipe inclines towards the bathroom sink cabinet. Valve handle fits just underneath the folded walls in travel position (on the flexible 'rest').
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Old 05-31-2020, 05:36 PM   #16
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Quote:
Originally Posted by rickst29 View Post
When I take out the TM to pack up for that trip, I will cut my long pipe segment and insert a ball valve (which I have already bought) to prevent 'juicy juice' from splashing up and wrecking the fan during travel.
Since we sometimes come home with a loaded toilet, that's important. Later in the week (we're driving almost all of it, both ways): https://travelnevada.com/road-trip/l...-road-america/
Excellent. Looking forward to the report!

For some reason I was thinking cloth duct tape. I have some of the commercial stuff that is awesome. But...I just saw your picture and you used HVAC aluminized duct tape. Good choice! You will probably want to find the right adapter so you can use the 1" PVC to reduce the restriction. But...it is possible the smaller pipe will work just as well. Again...looking forward to your report!
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Old 06-05-2020, 09:47 PM   #17
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Default Corrected the fan switches, works well.

Drove home from a boondock near Great Basin Nation Park, with toilet tank still 1/3 filled on the way. It was effective during the trip. And, according to a careful smell test upon setup for unpacking, no splashing through the valve. I'll be dumping 'black' and 'gray' gray' through the macerator tomorrow, because we had a late arrival home.
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Old 06-06-2020, 06:14 PM   #18
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Drove home from a boondock near Great Basin Nation Park, with toilet tank still 1/3 filled on the way. According to a careful smell test upon setup for unpacking, no splashing through the valve. I'll be dumping 'black' and 'gray' gray' through the macerator tomorrow, because we had a late arrival home.
Excellent! How did the vent work while you were camping?
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Old 06-06-2020, 07:13 PM   #19
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Rick,
Glad you got that done. I remain super pleased with mine.
I just wish I had thought to install a ball valve before I sloshed the contents into the vent line while towing the camper (toilet was about half full).
Not my finest moment. Although...problem solved with the ball valve.
I look forward to hearing about your 3 day test! Good luck!
I have some ideas for an anti-splash back baffle that would hopefully eliminate the need for any type of ball valve. The reason? I know myself, I'd forget to close the ball valve and have a mess anyway!

Travis, your vent idea is genius, and I plan to do this for sure. Once I figure out an anti-splash back baffle, I'll share the plan. In general, it will involve a pipe with holes being inserted into the top 3-5 inches of the toilet. A full toilet shouldn't reach this level.

I haven't gotten around to doing this mod yet because I was working on replacing the rear main seal on my 4x4 truck. I think I'd rather have been working on a toilet, to be honest, but the seal had to be done.
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Old 06-07-2020, 08:17 AM   #20
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Quote:
Originally Posted by Larryjb View Post
I have some ideas for an anti-splash back baffle that would hopefully eliminate the need for any type of ball valve. The reason? I know myself, I'd forget to close the ball valve and have a mess anyway!

Travis, your vent idea is genius, and I plan to do this for sure. Once I figure out an anti-splash back baffle, I'll share the plan. In general, it will involve a pipe with holes being inserted into the top 3-5 inches of the toilet. A full toilet shouldn't reach this level.

I haven't gotten around to doing this mod yet because I was working on replacing the rear main seal on my 4x4 truck. I think I'd rather have been working on a toilet, to be honest, but the seal had to be done.
Thanks! In hindsight...a baffle system like you mentioned would be simple and straight forward and would stop the instant splash upwards into the vent pipe. Good idea! The ball valve saved me while I was 2,300 miles from home since the installation was easy and solved my problem. But, if starting over or a new build, I think I would be using the baffle system you envision. Thanks again!
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