TOTO
TOTO - Aquia IV WASHLET+ S7A One-Piece Toilet - 1.28 GPF & 0.9 GPF
TOTO Aquia IV WASHLET+ S7A One-Piece Toilet — 1.28 & 0.9 GPF
Aquia IV WASHLET+ S7A - One-piece, skirted design paired with the S7A WASHLET® for a seamless, hygienic experience. DYNAMAX TORNADO FLUSH® and CEFIONTECT® keep the bowl cleaner longer while PREMIST® and EWATER+® handle self-cleaning — with Universal Height comfort and optional Auto Flush for touchless use.
Aquia IV WASHLET+ S7A - Powerful & eco-friendly flushing
Choose 1.28 GPF or 0.9 GPF. DYNAMAX TORNADO FLUSH® drives a quiet, efficient 360° rinse that reaches every surface to reduce scrubbing.
- Dual flush 1.28/0.9 GPF — save water without sacrificing performance.
- DYNAMAX TORNADO FLUSH® — powerful, even bowl coverage.
- Skirted one-piece body — fewer crevices for faster cleanups.
Personalized clean comfort
Front & rear warm-water wash with adjustable position, pressure, and temperature. PREMIST® and EWATER+® keep the wand and bowl fresh between uses.
- Heated seat & warm-air dryer — year-round comfort.
- PREMIST® & EWATER+® — self-cleaning for reduced buildup.
- Backlit remote — 4-user memory presets; optional Auto Flush for touchless convenience.
Dual flush 1.28/0.9 GPF
Flexible water savings for everyday use.
DYNAMAX TORNADO FLUSH®
Quiet, powerful 360° bowl rinse.
EWATER+® & PREMIST®
Auto self-cleaning wand & bowl; reduced adhesion.
Heated seat & dryer
Adjustable warmth and dry settings.
Eco-certified
WaterSense®, CALGreen & CEC compliant.
Auto Flush (touchless)
Hands-free convenience with WASHLET+® integration.
- Design-forward remodels needing a clean, skirted one-piece look.
- Eco-conscious households (dual-flush 1.28/0.9 GPF; WaterSense®).
- Users wanting hands-free options (Auto Flush) and easy cleaning.
- Families who value personalized presets with the S7A remote.
- Homes without nearby electrical (WASHLET® features require AC power).
- Very tight spaces where the one-piece elongated body may not fit.
- Buyers seeking a low-cost, non-electronic toilet.
Installation & Compatibility
Professional fit recommended: One-piece, floor-mounted WASHLET+® system with concealed connections. Confirm rough-in and outlet location before purchase.
What you need: flange bolts & seal, supply stop access, adjustable wrench; nearby 120 V GFCI outlet for the S7A seat.
Typical steps:
- Remove existing toilet; prep flange and floor.
- Set & secure the one-piece bowl; connect water supply.
- Install WASHLET® seat & connect power; pair remote.
- Test PREMIST®, EWATER+®, wash, dryer and (if equipped) Auto Flush.
Compatibility: Universal Height elongated; WASHLET+® S7A integration; Auto Flush capable.
What’s in the box
- One-piece Aquia® IV toilet (WASHLET+® ready)
- WASHLET® S7A bidet seat with remote & holder
- Mounting hardware, bolts & caps
- Supply fittings & gasket/seal
- Owner’s manual & installation guide
Specifications
| Brand | TOTO | 
| Model | MW6464736CEMFGNA#01 | 
| Color | Cotton White | 
| Dimensions (L×W×H) | 28.25" × 15.18" × 28.37" | 
| Material | Ceramic, Plastic | 
| Flush Type | Dual Flush — 1.28 & 0.9 GPF (DYNAMAX TORNADO FLUSH®) | 
| Mount Type | Floor Mounted (one-piece skirted) | 
| Certifications | WaterSense®, CALGreen, CEC | 
| Hygiene features | PREMIST®; EWATER+® wand & bowl; CEFIONTECT® glaze | 
| Comfort features | Front & rear warm-water wash; heated seat; warm-air dryer | 
| Convenience | Backlit remote (4 user presets); Auto Flush (touchless) | 
| WASHLET® seat | S7A (WASHLET+® integrated) |