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Old 05-05-2017, 07:35 PM   #1
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Default First Roadtrek - new to forum

Bought a 2003 Popular 190 from an elderly couple last summer. Chevy chassis with only 24K miles. Getting ready to install Sani_Con macerator system. The Roadtrek has a terribly designed gravity system. Anyone tried this? There are instructions on the Sani_Con site that are pretty straightforward.

We live in Syracuse, NY and are going to West Virginia and Denver this summer. Wondering about advisability of carrying Honda EU2000i generator inside camper.Thanks.
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Old 05-06-2017, 11:18 AM   #2
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Hi cwbrown,

Is this what you mean?

The RV Sani-Con System provides an alternative method to empty the tanks on Road Treks

Bud
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Old 05-06-2017, 12:45 PM   #3
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Originally Posted by cwbrown View Post
Bought a 2003 Popular 190 from an elderly couple last summer. Chevy chassis with only 24K miles. Getting ready to install Sani_Con macerator system. The Roadtrek has a terribly designed gravity system. Anyone tried this? There are instructions on the Sani_Con site that are pretty straightforward.
Make sure you retain the ability to dump separate from the macerator in case the macerator fails.
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Old 05-06-2017, 12:56 PM   #4
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Default Yes that's the one

Yes that's exactly the sheet that I'm looking at. Looks pretty straightforward, and way better than the Roadtrek solution. I will however retain the ability to dump the tanks via gravity.
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Old 05-06-2017, 03:42 PM   #5
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Originally Posted by cwbrown View Post
Yes that's exactly the sheet that I'm looking at. Looks pretty straightforward, and way better than the Roadtrek solution. I will however retain the ability to dump the tanks via gravity.

I installed this kind of mascerator solution, but it failed earlier this week.

There are potential problems, and I don't think that folks that installed this solution have spoken up when it later failed. I may totally wrong about this though.

Keep in mind that mascerator pumps are powerful in terms of flow rate, about 12 gallons per minute. That is more than your garden hose. That is more than your black water tank in less than 1 minute.


1) Sani-con no longer makes a pump that will work as far as I know. I used a Flojet mascerator, this:

https://smile.amazon.com/gp/product/...?ie=UTF8&psc=1

2) Care with the existing blue dump hose as the pump is powerful and can collapse it. Don't cut any off or as little as needed to shove the pump into the 4 inch pvc pipe.

3) Now what I think is The Problem: I ran this experiment, and I highly recommend doing it for an actual 'picture' of flow rate!

Note from the pictures on that website that when using the mascerator, the 4 inch pvc pipe is in the up position and stays that way. The 4 inch pvc pipe and 3 inch dump hose inside are horizontal AND are at about the same level as the bottom the black and gray tanks!

Put 2 gallons of water in each tank, black and gray. Lower the 4 inch pvc pipe and end cap, then raise the pvc back up with something that can be easily shoved out lowing the pipe like normal dumping. Move the 'flapper thing' that holds up the pvc pipe, so you can see the flow rate from gravity in the raised position like using the mascerator pump.

Open the gray water tank valve and watch the flow rate. After say 5-10 seconds, lower the pvc pipe and see the Increased flow rate. The gravity energy is just not there. Look at where the tanks, valves and pvc pipe are in the up and down positions.

I know that some folks have used a portable mascerator with pvc pipe lowered. I don't recall any of the outcomes, medium or longer term.

I might try again if I could use the permanent mascerator with the pvc pipe lowered. I have not been able to find the pieces parts to make that work given the rod for the black water tank valve.

Would sure like some responses to the above.

Thanks.

Bud
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Old 05-06-2017, 06:14 PM   #6
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Default Thx

Thanks for the great tips and thoughtful response. I'll keep it in mind when I install the one I already ordered. They do still make it and I talked to their tech-support people the other day. Hopefully it's a good product.
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Old 05-06-2017, 07:06 PM   #7
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Originally Posted by cwbrown View Post
Thanks for the great tips and thoughtful response. I'll keep it in mind when I install the one I already ordered. They do still make it and I talked to their tech-support people the other day. Hopefully it's a good product.

I also talked with Sanicon with them saying the opposite. Please post a link to exactly what you purchased.

Bud
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Old 05-06-2017, 07:15 PM   #8
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Default Sani-Con

Here is the site for current products. Sani-ConŽ | Products | Thetford Corporation

Thetford bought Sani-Con. I called the number on the RV Sani-Con page and the person I spoke with said the Twist On pump and Tank Buddy use the same pump.
Here is the site for RV Sani-Con , where the instructions are. They were probably posted before the buyout.
The RV Sani-Con System provides an alternative method to empty the tanks on Road Treks

It's always confusing when small companies are bought out by large ones.
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Old 05-07-2017, 06:01 PM   #9
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This is the one I bought.
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

Apparently, Sani-Con has been bought by Thetford.
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Old 05-08-2017, 03:03 PM   #10
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Originally Posted by cwbrown View Post
Bought a 2003 Popular 190 from an elderly couple last summer. Chevy chassis with only 24K miles. Getting ready to install Sani_Con macerator system. The Roadtrek has a terribly designed gravity system.
Gotta admit I am sort of new to this but the system on my 2004 RT 190P works fine (as long as I have gravity).
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