Dometic 400 Essential
A light, drop-in replacement for most RV toilets at a modest price.
Amazon $195.69$195.69
GravityRound, standardNone
3.6/5
The lowest-priced toilet here, for RV bathrooms with little floor space.
- GravityType
- Low profileBowl
- NoneDraw at 12 V
Check price at Amazon$147.69
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Mounts closest to the wall
- Cheapest toilet in the group
- SloClose seat and cover
Cons
- Low seat height
- No flush volume or warranty published
The Thetford Aqua-Magic VI family
Every Thetford Aqua-Magic VI model we rank, smallest first. Ratings compare each against its own type.
| Model | Type | Rating | Price |
|---|---|---|---|
| Thetford Aqua-Magic VI Low Profile (this one) | Gravity | 3.6/5 | $147.69 |
| Thetford Aqua-Magic VI High Profile | Gravity | 3.6/5 | $153.35 |
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Model number | 31833 |
|---|---|
| Flushing | |
| Type | Gravity |
| Freshwater flush | Yes |
| Water-saver flush | Yes |
| Macerator | No |
| Control | Foot pedal |
| Power | |
| Draw at 12 V | None |
| Bowl and fit | |
| Bowl size | Low profile |
| Soft-close seat | Yes |
| Build | |
| Warranty | 1 year |
Alternatives in this type
Dometic 300 Series Standard Height
A light plastic Dometic that sips water, good for dry camping.
Amazon $225$225
GravityStandard heightNone0.1 gal
Camco Premium Ceramic RV Toilet
A ceramic RV toilet with everything in the box for a straightforward swap.
Amazon $254.48$254.48
GravityStandardNone
Compare
Compare the Thetford Aqua-Magic VI Low Profile with any other boat or RV toilet →
More from Thetford: every Thetford product ranked.