A china-bowl RV toilet that feels closer to a home toilet.
Amazon $205.02The Thetford Aqua-Magic Style II High is the better boat or RV toilet overall, rated 3.6 to 3.4. The Thetford Aqua-Magic Style II High leads on value. The Dometic 420 Platinum wins on features and warranty. The Thetford Aqua-Magic Style II High costs $214.97 less ($205.02 vs $419.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
The elongated porcelain top of the Dometic range for owners who want a full residential feel.
Amazon $419.99Which should you buy?
- Choose the Thetford Aqua-Magic Style II High for value ($205.02, against other toilets in its group vs $419.99, against other toilets in its group).
- Choose the Dometic 420 Platinum for features (ceramic or porcelain bowl, soft-close seat, freshwater flush, water-saver flush, household-size bowl vs ceramic or porcelain bowl, freshwater flush, water-saver flush, household-size bowl) and warranty (2-year warranty vs 1-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every RV gravity-flush boat or RV toilet; a clear win is highlighted. How we rank explains each one.
| Factor weight | Thetford Aqua-Magic Style II High | Dometic 420 Platinum |
|---|---|---|
| Overall rating | 3.6/5 | 3.4/5 |
| Value 25% | 61 $205.02, against other toilets in its group | 0 $419.99, against other toilets in its group |
| Flush water 20% | 50 flush volume not published (neutral score used) | 50 flush volume not published (neutral score used) |
| Power draw 15% | 100 no electrical draw | 100 no electrical draw |
| Features 25% | 80 ceramic or porcelain bowl, freshwater flush, water-saver flush, household-size bowl | 100 ceramic or porcelain bowl, soft-close seat, freshwater flush, water-saver flush, household-size bowl |
| Warranty 15% | 0 1-year warranty | 25 2-year warranty |
Specifications
| Thetford Aqua-Magic Style II High | Dometic 420 Platinum | |
|---|---|---|
| Flushing | ||
| Type | Gravity | Gravity |
| Freshwater flush | Yes | Yes |
| Water-saver flush | Yes | Yes |
| Macerator | No | No |
| Control | Foot pedal (dual action) | Foot pedal |
| Power | ||
| Draw at 12 V | None | None |
| Bowl and fit | ||
| Bowl size | High profile | Elongated, standard |
| Bowl material | China | Porcelain |
| Household size | Yes | Yes |
| Soft-close seat | No | Yes |
| Seat height | - | 18 in |
| Rough-in | - | 7.6 in |
| Build | ||
| Warranty | 1 year | 2 years |
