Just Released: The New TOTO Universal WC Element – The Future-Proof Foundation for Your Smart Bathroom
2/1/2026TOTO Universal WC Element (WH183ET)
The Foundation of Touchless Bathroom Luxury
Innovation meets absolute reliability. The WH183ET (featuring the WH182ET core base frame) is the direct successor to the renowned WH182EAT. Engineered specifically to exceed UK market standards, this frame serves as the essential architectural foundation for any premium TOTO installation, offering unparalleled flexibility for current builds and future upgrades.
System Intelligence: Advanced Touch-Free Hygiene
When prepared with the optional HM184 Auto Flush Motor, this frame transforms the washroom into a completely touchless sanctuary. The integrated sensory system registers when a user stands up and intelligently selects the appropriate flush volume based entirely on usage duration.
Activates a highly efficient half-flush for liquid waste.
Activates a powerful TORNADO FLUSH to clear the entire rimless bowl.
Prevents unnecessary flushing if the user simply walks past or adjusts.
Plan Today, Upgrade Tomorrow
TOTO FlexCover Integration (TCA571)
Modern luxury bathroom projects increasingly plan ahead for smart toilets, but not every client is ready to commit to a WASHLET® immediately. The TOTO FlexCover long (TCA571) is the elegant engineering solution that bridges this gap.
The cover plate sits entirely flush with the ceramic, securely closing off the WASHLET® connection ports so that the installation remains:
- Hygienically Sealed: Prevents dust and moisture buildup; no exposed cut-outs.
- Visually Discreet: The WC functions and looks exactly like a standard, fully finished toilet.
- Technically Ready: Water and power connections stay hidden, waiting for a future WASHLET® upgrade with zero wall demolition required.
System Configuration Guide
To ensure a flawlessly functioning Auto-Flush system, you must specify the correct Connection Set and Push Plate design series based on your chosen smart toilet model.
Standard WASHLET® Series
(RW, SW, RX, SX)
- Required Frame WH183ET
- Auto-Flush Motor HM184 Unit
- Connection Set SP10695UN
NEOREST® Flagship Series
(WX1 / WX2)
- Required Frame WH183ET
- Auto-Flush Motor HM184 Unit
- Connection Set HM183 (Specific)
Expert Questions & Technical Answers
No. The WH183ET frame is structurally prepared for the motor, but the HM184 Motor Unit is sold separately. This modular approach allows architects and installers to choose standard mechanical flushing or upgrade to touchless automatic flushing at the point of installation.
The FlexCover (TCA571) securely hides the pre-installed water and power connections on a WASHLET®-ready ceramic (like the RP or GP series). It allows you to use the toilet as a standard WC until you are financially or practically ready to upgrade to an electronic bidet seat, ensuring a pristine architectural look without exposed utilities.
To install the flagship NEOREST WX1 or WX2, you must strictly specify the HM183 Connecting Set. For standard WASHLET models like the RW or SW, you will need the SP10695UN set.
Yes. The frame features a remarkably slim base depth of 120mm, but is engineered to fit standard UK stud walls or solid wall installations. It offers a fully adjustable mounting range of 150mm to 225mm depending on how the brackets are configured onsite.
