SFA Saniflo Sanimarin 31
#15 in Electric marineFull review
The most water-frugal head here, in a compact low-profile design for small boats and campervans.
Amazon $828.75$828.75
The SFA Saniflo Sanimarin 31 is the better boat or RV toilet overall, rated 2.7 to 2.4. The SFA Saniflo Sanimarin 31 leads on features. The SFA Saniflo Sanimarin Maxlite+ wins on value. The SFA Saniflo Sanimarin Maxlite+ costs $90.10 less ($738.65 vs $828.75).
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.
SFA Saniflo Sanimarin Maxlite+
#20 in Electric marineFull review
A lightweight head for replacing a manual toilet, with an integral sea-water pump.
Amazon $738.65$738.65
Which should you buy?
- Choose the SFA Saniflo Sanimarin 31 for features (soft-close seat, water-saver flush vs soft-close seat).
- Choose the SFA Saniflo Sanimarin Maxlite+ for value ($738.65, against other toilets in its group vs $828.75, against other toilets in its group).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every electric marine boat or RV toilet; a clear win is highlighted. How we rank explains each one.
| Factor weight | SFA Saniflo Sanimarin 31 | SFA Saniflo Sanimarin Maxlite+ |
|---|---|---|
| Overall rating | 2.7/5 | 2.4/5 |
| Value 25% | 16 $828.75, against other toilets in its group | 25 $738.65, against other toilets in its group |
| Flush water 20% | 71 0.3 gal (1.2 L) per flush | 50 flush volume not published (neutral score used) |
| Power draw 15% | 50 amp draw not published (neutral score used) | 23 25 A at 12 V |
| Features 25% | 35 soft-close seat, water-saver flush | 20 soft-close seat |
| Warranty 15% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| SFA Saniflo Sanimarin 31 | SFA Saniflo Sanimarin Maxlite+ | |
|---|---|---|
| Flushing | ||
| Type | Electric | Electric |
| Flush water | - | Raw (integral pump) |
| Water per flush | 0.3 gal | - |
| Freshwater flush | - | No |
| Water-saver flush | Yes | - |
| Macerator | Yes | Yes |
| Control | Control panel | Switch |
| Power | ||
| Voltage | 12 V | 12 V |
| Draw at 12 V | - | 25 A |
| Motor power | - | 300 W |
| Bowl and fit | ||
| Bowl size | Low profile | Low profile |
| Bowl material | - | Plastic |
| Soft-close seat | Yes | Yes |
| Discharge hose | - | 1 in or 1-1/2 in |
| Build | ||
| Weight | - | 17.6 lb |