Dometic 300 Series Standard Height
A light plastic Dometic that sips water, good for dry camping.
Amazon $225$225
The Dometic 300 Series Standard Height is the better boat or RV toilet overall, rated 3.7 to 3.2. The Dometic 300 Series Standard Height leads on value. The Thetford Aqua-Magic Style Plus wins on features. The Dometic 300 Series Standard Height costs $61.11 less ($225 vs $286.11).
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 300 Series Standard Height for value ($225, against other toilets in its group vs $286.11, against other toilets in its group).
- Choose the Thetford Aqua-Magic Style Plus for features (ceramic or porcelain bowl, freshwater flush, household-size bowl vs freshwater flush, water-saver flush, household-size bowl).
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 300 Series Standard Height | Thetford Aqua-Magic Style Plus |
|---|---|---|
| Overall rating | 3.7/5 | 3.2/5 |
| Value 25% | 53 $225, 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% | 55 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 300 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 | Gravity flush | Single foot pedal |
| Power | ||
| Draw at 12 V | None | None |
| Bowl and fit | ||
| Bowl size | Standard height | High profile |
| Bowl material | Plastic | China |
| Household size | Yes | Yes |
| Soft-close seat | No | No |
| Seat height | - | 17.5 in |
| Inlet hose | 1/2 in NPT | - |
| Build | ||
| Warranty | - | 1 year |