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 rates 3.5 among RV gravity-flush boat or RV toilets; the Johnson Pump AquaT Silent Electric Compact rates 3.0 among electric marine ones. The Dometic 320 Series Standard Height costs $39.17 less ($359.99 vs $399.16).
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.
Johnson Pump AquaT Silent Electric Compact
#11 in Electric marineFull review
A quiet porcelain electric head with a published flush volume and a modest battery draw. A strong middle-of-the-road pick.
Amazon $399.16$399.16
Scores side by side
These two sit in different type classes (RV gravity-flush and electric marine), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Dometic 320 Series Standard Height | Johnson Pump AquaT Silent Electric Compact |
|---|---|---|
| Overall rating | 3.5/5 | 3.0/5 |
| Value 25% | 13 $359.99, against other toilets in its group | 76 $399.16, against other toilets in its group |
| Flush water 20% | 100 0.1 gal (0.5 L) per flush | 26 0.7 gal (2.5 L) per flush |
| Power draw 15% | 100 no electrical draw | 77 13 A at 12 V |
| Features 25% | 80 ceramic or porcelain bowl, freshwater flush, water-saver flush, household-size bowl | 25 ceramic or porcelain bowl |
| Warranty 15% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| Dometic 320 Series Standard Height | Johnson Pump AquaT Silent Electric Compact | |
|---|---|---|
| Flushing | ||
| Type | Gravity | Electric |
| Flush water | - | Raw or fresh |
| Water per flush | 0.1 gal | 0.7 gal |
| Freshwater flush | Yes | - |
| Water-saver flush | Yes | - |
| Macerator | No | - |
| Control | Foot pedal | Push button panel |
| Power | ||
| Voltage | - | 12 V |
| Draw at 12 V | None | 13 A |
| Bowl and fit | ||
| Bowl size | Standard height | Compact |
| Bowl material | Vitreous ceramic | Porcelain |
| Household size | Yes | - |
| Soft-close seat | No | No |
| Inlet hose | - | 3/4 in |
| Discharge hose | - | 1-1/2 in or 1 in |
| Build | ||
| Weight | - | 21.2 lb |