Difference Between Dometic 320 Full-Timer & Dometic 510 Full-Timer RV Toilets  

Question:

Expert Reply:

There are only a couple difference between the Dometic 320 and 510 RV toilets, which I'll go over for you; real quick, here are the part numbers for both:

- Dometic 320 Full-Timer RV Toilet # DOM87FR

- Dometic 510 Full-Timer RV Toilet # DOM29FR

The biggest difference is that the 510 has an included hand sprayer, while the 320 does not come with a hand sprayer. Aside from that there are only minor dimensional differences, with the 320 having a seat cutout that is 1" longer, and is 1-3/4" longer. That said, they do fit the same space, with both requiring a minimum of 11" from the wall to the center of the toilet mounting flange.

So it really comes down to if you wand the hand sprayer or not; if you do then go with the Dometic 510 # DOM29FR, but if the sprayer isn't a big deal then go with the less expensive Dometic 320 # DOM87FR.

expert reply by: Kyle S

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