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Hi fellow truck campers. I’m looking at buying a used Hallmark Guanella. Was hoping to turn up a model with the optional cassette toilet installed at the back, but that seems unlikely in my price range. I’m wondering about a DIY install of a toilet such as the Thetford C224-CW, which has its’ own water supply. I believe this would fit in the area behind the dinette, where there is currently a storage cabinet. Has anyone ever attempted an installation, or is this something best left to the pros?
I’m factoring in the additional weight FYI, before someone brings it up!Here’s the link to the Thetford product: https://www.thetford.com/product/c220-cassette-toilets/
(at the bottom of the page)Thanks for your thoughts.
I added a Thetford Curve to my Northstar TC800. Carries its own water and empties like a cassette. But does not require cutting a hole in the camper wall for access to the cassette.
I also adapted a cabinet next to the dinette and made the cabinet top slide into a slot as a privacy screen.I added a Thetford Curve to my Northstar TC800. Carries its own water and empties like a cassette. But does not require cutting a hole in the camper wall for access to the cassette.
I also adapted a cabinet next to the dinette and made the cabinet top slide into a slot as a privacy screen.Like this.
So I had the theford curve all last summer in my SS550 when I traveled to/from and the summer in Alaska. It performed flawlessly in all parameters. I love it’s simplicity, quality, and operational abilities such as ease of dumping the cassette. Will be taking it back for next summer’s Alaska adventure indeed
Dietrich, thanks for sharing a picture. I see that the Thetford Curve is more like a traditional porta-potty, but well worth considering since we wouldn’t have to cut a hole in the camper. Have you had any issues with yours?
Have had no issues. Things I like about it; taller than other porta potties, battery operated flush pump, a floor mounting plate is available, Swivelling dump tube like a cassette.
Wife likes it a lot…absolutely hates pit toilets.
The only negative is that a full black tank can be quite heavy and it does not have wheels. I carry a folding dolly for that and other stuff in camp.
super simple install, for the Thetford. Note that the wall gasket and access panel is a separate option. I built my own door, but need to get the factory gasket
shop online for pricing, there is a wide range of pricing out there on the Thetford cassette offering.
An update to my original post. We got the Hallmark Guanella about a year ago this March and got it out 3 or 4 times over the summer. It turned out that we couldn’t spare the storage space the rear cabinet afforded. (My husband, ever wary of being stranded somewhere and not having a tool or supply may be over-doing it a little…but since we exclusively camp in remote areas I can’t fault him too much.) We ended up getting A CleanWaste Go Anywhere portable toilet system, which folds down to briefcase size and weighs 7 pounds. Maybe if we add storage boxes of some kind to the rear, we’d be able to make the modification.
Dietrich, I like your solution to this problem. I have been considering the same on my TC800.I hate the portages poddy I have now. Too short. What did you do for a top piece on the commode?
Mike
The Thetford was just the right height to fit in the dinette cabinet next to the door once the cabinet door had been modified. The original cabinet top panel is now used to cover the Thetford Curve and make the dinette back to the way it came from the factory. I simply added a spacer to where it was needed.
I also added a Thetford 565P to my Northstar TC800. I adapted the cabinet at the camper rear next to the dinette and outside door. To keep it simple, the toilet will slide out into th aisle for use. My wife occasionally sleeps on the dinette bed.
Original picture minus door.
All ripped out. Glue and staples are hard to remove.
Toilet fits!
New door made with mdx and veneer, and stained to match.
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