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I’m looking to replace the toilet in my trailer. My current one is a Dometic 300, thats had leaking issues in the past. I did try googling but there were just a bunch of ads, some reddit spam, and toilet reviews from the Jerusalem Post?! lol So, thought I’d ask here. Thanks
Dometic is a solid brand, and their newer 320 would be a good replacement. I’m pretty certain the bolt pattern (just 2 bolts), and the water inlet is exactly the same, so replacing it should be straightforward.
No matter what toilet you get though, 320 included, check the toilet spec sheet and make sure you have proper clearance to the back wall. The 300 requires a distance of 8.5 inches, while the 320 requires 11 inches, I believe. SO measure first to make sure it will fit.
I know Dometic had issues with their 300 series leaking. And were replacing them for free if they were under warranty. Might be worth looking into.
Thetford and Dometic are the two most popular brands. I have the Thetford aqua magic style plus. Its got a porcelain bowl and full bowl flush. its the closest thing to a home toilet I’ve seen or used.
Its over 5 years old, so I doubt there’s any warranty left. I’ll do some measuring and look into the 310 or 320.
I have the Dometic 320 in my Jayco. We did the swap out from a 310. Love the size and feel of the 320, especially compared tot he 310. Highly recommended!
You can check out our guide on choosing a new RV toilet for some more options: https://camperfaqs.com/best-rv-toilet. But if it fits, the 320 is a great model.
+1 for Thetford. Havent had any issues with it, unlike our old Dometic 300 which started leaking internally and rotted/warped our bathroom floor.
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