Dometic 320 Series Standard Height
#10 in RV gravity-flushFull review
A ceramic Dometic that stays frugal with water, the step up from the 300 plastic model.
Amazon $359.99$359.99
The Dometic 320 Series Standard Height is the better boat or RV toilet overall, rated 3.5 to 3.2. The Dometic 320 Series Standard Height leads on features. The Thetford Aqua-Magic Style Plus wins on value. The Thetford Aqua-Magic Style Plus costs $73.88 less ($286.11 vs $359.99).
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.
Thetford Aqua-Magic Style Plus
#12 in RV gravity-flushFull review
A tall ceramic Thetford for buyers who want chair height without paying Dometic prices.
Amazon $286.11$286.11
Which should you buy?
- Choose the Dometic 320 Series Standard Height for features (ceramic or porcelain bowl, freshwater flush, water-saver flush, household-size bowl vs ceramic or porcelain bowl, freshwater flush, household-size bowl).
- Choose the Thetford Aqua-Magic Style Plus for value ($286.11, against other toilets in its group vs $359.99, against other toilets in its group).
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 | Dometic 320 Series Standard Height | Thetford Aqua-Magic Style Plus |
|---|---|---|
| Overall rating | 3.5/5 | 3.2/5 |
| Value 25% | 13 $359.99, against other toilets in its group | 33 $286.11, against other toilets in its group |
| Flush water 20% | 100 0.1 gal (0.5 L) per flush | 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 | 65 ceramic or porcelain bowl, freshwater flush, household-size bowl |
| Warranty 15% | 0 warranty not published, scored as none | 0 1-year warranty |
Specifications
| Dometic 320 Series Standard Height | Thetford Aqua-Magic Style Plus | |
|---|---|---|
| Flushing | ||
| Type | Gravity | Gravity |
| Water per flush | 0.1 gal | - |
| Freshwater flush | Yes | Yes |
| Water-saver flush | Yes | - |
| Macerator | No | No |
| Control | Foot pedal | Single foot pedal |
| Power | ||
| Draw at 12 V | None | None |
| Bowl and fit | ||
| Bowl size | Standard height | High profile |
| Bowl material | Vitreous ceramic | China |
| Household size | Yes | Yes |
| Soft-close seat | No | No |
| Seat height | - | 17.5 in |
| Build | ||
| Warranty | - | 1 year |