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Toilet Review

Swiss Madison St. Tropez One-Piece Toilet Review: A Budget-Friendly One-Piece With Decent Dual Flush Performance

Real specs, MaP flush scores and aggregated owner feedback — no paid placements.

Why Trust This Review

Review updated June 2026.

Quick Verdict

The Swiss Madison St. Tropez delivers a sleek one-piece design at a budget price, with a seat included and a dual-flush system. Its MaP score of 600g is adequate for most households, but the 1-year warranty and lack of WaterSense certification are notable drawbacks for those wanting long-term reliability.

SpecValue
MaP Score600g
GPF1.28 / 0.8 gallons per flush
Flush SystemDual Vortex
Trapway Size2.375-inch
HeightStandard elongated
Rough-In12-inch
Seat IncludedYes
WaterSenseNo
Warranty1 year
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How powerful is the Swiss Madison St. Tropez flush?

The Swiss Madison St. Tropez has a MaP score of 600g, meaning it can clear 600 grams of solid waste in a single flush. This is a moderate score, sufficient for typical household use but not ideal for heavy waste loads or large families.
Expert Take

A MaP score of 600g places the St. Tropez in the middle of the pack. While it handles normal daily use well, it lacks the raw power of toilets scoring 800g or higher. The 2.375-inch trapway is standard and helps prevent clogs, but the dual vortex flush system relies on water pressure rather than a gravity-assisted boost.

How water-efficient is the Swiss Madison St. Tropez?

The St. Tropez uses 1.28 gallons per flush for the full flush and 0.8 gallons for the reduced flush, making it very water-efficient. However, it is not WaterSense certified, which means it does not meet the EPA's strict efficiency criteria for water savings.
Expert Take

Even without WaterSense certification, the 1.28/0.8 GPF dual-flush system saves significant water compared to older 1.6 GPF toilets. The lack of certification may be due to the flush performance not meeting EPA thresholds, but for most users, the water savings are still substantial.

What do owners say about the Swiss Madison St. Tropez?

Owners praise the St. Tropez for its modern one-piece design, easy cleaning, and included seat. Common complaints include occasional clogging, a somewhat noisy flush, and concerns about the short 1-year warranty.
Expert Take

Aggregated feedback shows that the toilet works well for small households or guest bathrooms. However, owners with larger families or those needing heavy waste handling often report needing to flush twice. The seat is a nice inclusion, but its quality is average.

How does the Swiss Madison St. Tropez compare to similar toilets?

Compared to the DeerValley Prism, the St. Tropez has a lower MaP score (600g vs. 800g) and a shorter warranty (1 year vs. 5 years). The St. Tropez includes a seat, while the Prism does not, but the Prism offers stronger flushing and WaterSense certification.
Expert Take

If you prioritize budget and a seat included, the St. Tropez is a good choice. But if you need better flush power and longer warranty, the DeerValley Prism is a stronger contender. The St. Tropez's 1-year warranty is a significant disadvantage compared to competitors offering 2-5 years.

Good fit if you...

  • Want a sleek one-piece toilet on a tight budget
  • Prefer a seat included to save extra cost
  • Have a small household or guest bathroom
  • Need a dual-flush option for water savings

Skip it if you...

  • Need heavy waste handling (MaP 600g may not suffice)
  • Want a longer warranty (only 1 year)
  • Require WaterSense certification

Frequently Asked Questions

What does MaP score 600g mean?

It means the toilet can flush 600 grams of solid waste in one flush, which is a moderate level of performance.

Is the Swiss Madison St. Tropez WaterSense certified?

No, it is not WaterSense certified.

Does the toilet come with a seat?

Yes, a seat is included with the purchase.

What is the warranty period?

The warranty is 1 year.

What is the rough-in size?

The rough-in is 12 inches.

What type of flush system does it use?

It uses a Dual Vortex flush system.

Is the toilet height standard or comfort?

It is standard height, not comfort height.

What is the trapway size?

The trapway is 2.375 inches.

How many gallons per flush does it use?

It uses 1.28 gallons for the full flush and 0.8 gallons for the reduced flush.

Is the toilet difficult to install?

Most owners report straightforward installation, though the included instructions could be clearer.

Does it clog easily?

Some owners report occasional clogs, especially with larger waste loads.

Is the flush noisy?

Some users describe the flush as louder than expected.

Sources

  • MaP Flush Testing Program, map-testing.com
  • EPA WaterSense, epa.gov/watersense
  • Manufacturer published specifications

Our Verdict

The Swiss Madison St. Tropez is a budget-friendly one-piece toilet with a sleek look and included seat. Its 600g MaP score and 1-year warranty limit its appeal for heavy use, but it works well for small households or guest bathrooms seeking a modern design.

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How we rank & our data sources

We do not run physical lab tests. Rankings are built from published, verifiable data and real owner feedback, never paid placement.

Researched by BFT Editorial Team · Last updated June 12, 2026 · Our review method

B
Researched by BFT Editorial Team

The Best Flushing Toilets editorial team researches MaP flush scores, water efficiency data, and owner feedback to help you find the right toilet.

Updated June 2026 · Toilet Reviews
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