Spec-by-Spec Comparison
Specification
American Standard
American Standard
Price
Check current price
Check current price
Rating
—
—
Glaze
EverClean (optional on -EC variant)
EverClean
Design
Two-piece elongated, 4-inch flush valve
Two-piece elongated, Champion 4 bowl + pressure-assist tank
Map Score
1000
1200
Bowl Shape
Elongated
Elongated
Flush Type
Champion 4 Gravity (4-inch flush valve)
Pressure-Assist (Flushmate Series 503)
Watersense
1
Ada Compliant
1
1
Height Inches
16.5
16.5
Warranty Flush
10-year flush engine warranty
5-year Flushmate vessel warranty
Warranty Years
1
1
Rough In Inches
12
12
Gallons Per Flush
1.28
1.6
Warranty Porcelain
Lifetime
Lifetime
Detailed Comparison
Champion 4 (gravity, $380-450) and Champion 4 Pressure-Assisted ($450-520) target completely different priorities despite sharing a model name. The gravity version uses Champion's oversized flush valve and gravity-feed water — quiet operation, simple repair, MaP 1,000g. The Pressure-Assisted version replaces the gravity feed with a sealed pressure vessel inside the tank, pressurizing flush water to 25-35 psi (vs gravity's 1-2 psi). Result: dramatically stronger flush, almost zero clog rate, but a 4-6 second loud air-burp during flushing. Repair complexity also diverges — the pressure vessel is a sealed unit ($120-200 replacement) where the gravity flapper is $5. Use cases for pressure-assist: high-traffic bathrooms, septic-system households with chronic clog history, rental properties, light commercial. For typical residential, the standard Champion 4 is the right pick.
Final Verdict
We recommend the standard American Standard Champion 4 for residential use unless you have chronic clogging issues, septic drain-line concerns, or are installing in a rental property. The Pressure-Assisted version trades quiet operation for max-strength flushing — the right call only when clog prevention is paramount.
Choose American Standard if...
You prefer American Standard's strengths and feature set.
Buy American Standard — Check current priceChoose American Standard if...
You prefer American Standard's strengths and feature set.
Buy American Standard — Check current pricePros & Cons Side-by-Side
American Standard Champion 4 Two-Piece Elongated 1.28 GPF Toilet
Pros
- 4-inch flush valve — largest residential flush valve in US market
- MaP 1,000g+ score — among strongest gravity-flush in residential
- Industry-leading 10-year flush engine warranty
- 1.28 GPF WaterSense certified
- EverClean glaze available on -EC variant
- PowerWash rim cleaning during flush
- Comfort Height (16.5") + elongated bowl
- Solves chronic clog problems without pressure-assist noise
- Most-spec'd strong-flush toilet by US plumbers
Cons
- Loud flush — 4-inch valve dumps water faster, creating audible "whoosh"
- 4-inch flapper is larger (and more expensive) than standard 2/3-inch flappers
- Standard ceramic glaze on base SKU (EverClean upgrade is +$30-$60)
- SoftClose seat NOT included
- Larger water-supply line connection footprint
- Heavier tank (~38 lbs vs ~32 for Cadet 3)
American Standard Champion 4 Pressure-Assisted Two-Piece Elongated 1.6 GPF Toilet
Pros
- Strongest residential flush in US market — MaP 1,200g+
- Champion 4 bowl engineering + Flushmate Series 503 pressure-assist combined
- EverClean glaze standard
- Comfort Height (16.5") + elongated bowl
- PowerWash rim cleaning during flush
- Eliminates virtually all clog problems in heavy-use installations
- Commercial-residential grade reliability
- 10-year Champion flush engine warranty + 5-year Flushmate vessel warranty
Cons
- Premium pricing ($520-$720)
- NOT WaterSense (1.6 GPF) — not rebate-eligible
- Very loud flush — pressure-assist + 4-inch valve + PowerWash combined
- Standard ceramic glaze on base SKU (EverClean is upcharge on some variants)
- Flushmate vessel replacement at 10-15 years ($130-$180)
- Cold-climate freeze risk on pressure vessel
- SoftClose seat NOT included