Dometic 420 Platinum vs SEAFLO Quiet Flush Fresh SFMTE1-03-R

Last updated: November 9, 2026

The SEAFLO Quiet Flush Fresh SFMTE1-03-R rates 4.1 among electric marine boat or RV toilets; the Dometic 420 Platinum rates 3.4 among RV gravity-flush ones. The Dometic 420 Platinum costs $10 less ($419.99 vs $429.99).

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.

Dometic 420 Platinum vs SEAFLO Quiet Flush Fresh SFMTE1-03-R

Scores side by side

These two sit in different type classes (electric marine and RV gravity-flush), 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 weightSEAFLO Quiet Flush Fresh SFMTE1-03-RDometic 420 Platinum
Overall rating4.1/53.4/5
Value 25%70 $429.99, against other toilets in its group0 $419.99, 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%64 16 A at 12 V100 no electrical draw
Features 25%100 ceramic or porcelain bowl, soft-close seat, freshwater flush, water-saver flush, household-size bowl100 ceramic or porcelain bowl, soft-close seat, freshwater flush, water-saver flush, household-size bowl
Warranty 15%75 4-year warranty25 2-year warranty

Specifications

SEAFLO Quiet Flush Fresh SFMTE1-03-RDometic 420 Platinum
Flushing
TypeElectricGravity
Flush waterFresh-
Freshwater flushYesYes
Water-saver flushYesYes
MaceratorYesNo
Control3-way switch panelFoot pedal
Power
Voltage12 V-
Draw at 12 V16 ANone
Bowl and fit
Bowl sizeRegularElongated, standard
Bowl materialCeramicPorcelain
Household sizeYesYes
Soft-close seatYesYes
Seat height-18 in
Rough-in-7.6 in
Inlet hose3/4 in-
Discharge hose1 in-
Build
Warranty4 years2 years

All boat or RV toilet comparisons →