Dometic 400 Essential vs SEAFLO Manual Marine Toilet SFMTM-01

Last updated: November 9, 2026

The Dometic 400 Essential rates 3.7 among RV gravity-flush boat or RV toilets; the SEAFLO Manual Marine Toilet SFMTM-01 rates 3.6 among manual marine ones. The SEAFLO Manual Marine Toilet SFMTM-01 costs $5.70 less ($189.99 vs $195.69).

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.

Dometic 400 Essential vs SEAFLO Manual Marine Toilet SFMTM-01

Scores side by side

These two sit in different type classes (RV gravity-flush and manual 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 weightDometic 400 EssentialSEAFLO Manual Marine Toilet SFMTM-01
Overall rating3.7/53.6/5
Value 25%65 $195.69, against other toilets in its group68 $189.99, 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 draw100 no electrical draw
Features 25%75 soft-close seat, freshwater flush, water-saver flush, household-size bowl25 ceramic or porcelain bowl
Warranty 15%25 2-year warranty75 4-year warranty

Specifications

Dometic 400 EssentialSEAFLO Manual Marine Toilet SFMTM-01
Flushing
TypeGravityManual
Freshwater flushYes-
Water-saver flushYes-
MaceratorNoNo
ControlFoot pedalHand pump (Twist n Lock)
Power
Draw at 12 VNoneNone
Bowl and fit
Bowl sizeRound, standardCompact
Bowl materialPlasticCeramic
Household sizeYes-
Soft-close seatYesNo
Seat height18 in-
Rough-in7.6 in-
Inlet hose-3/4 in
Discharge hose-1-1/2 in
Build
Weight-25.1 lb
Warranty2 years4 years

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