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Specifications
Description
The TOTO TET2GBi431#SS is an ECOPOWER touchless (sensor) flush valve for 1.6 GPF toilets with a 1-1/2" back spud inlet, concealed behind a 14" x 12" stainless steel cover plate. It ships complete with TOTO's 1" angle stop and 1-1/2" vacuum breaker set. Its water-driven turbine recharges the power supply during use, so the valve is self-powered with no minimum daily usage requirement. It includes the long-range (LoRa) IoT communication card.
The water-powered turbine in the EcoPower flush valve charges the power supply during usage and provides maximum performance in even the most demanding, high-traffic commercial spaces.
Features
- 1.6 GPF
- Self-powered hydroelectric flush valve system
- No minimum daily usage requirement
- Heavy duty 14” x 12” stainless steel cover plate with satin finish and solid bronze valve body
- Self-cleaning piston valve with 360° filter screen
- Neutral rough-in and adjustable tail piece connection
- Manual flush override
- Smart sensor with self-adjusting detection range
- 6 second detection time to prevent ghost flushing
- Concealed flush valve with 1” angle stop and 1-1/2” vacuum breaker set
- Protects trap seal with a maintenance flush if not used in a 24 hr period
- ADA Compliant
Common Questions
- Is this the valve only, or does it include the vacuum breaker?
- It is complete: the valve ships with TOTO's 1-1/2" vacuum breaker set for a back spud toilet.
- Does it need electrical power?
- No outside power: TOTO builds it as a self-powered hydroelectric system. Water flowing through the valve turns a turbine that recharges the power supply, and there is no minimum daily usage requirement.
- Will it fit my toilet?
- It is for a toilet with a 1-1/2" back spud inlet (TOTO's back spud sets are for wall-hung toilets). Pair it with a toilet bowl rated for 1.6 GPF.
- Can it be installed in California and other high-efficiency states?
- No. TOTO's 2026 Price Book states this 1.6 GPF model cannot be installed in CA, CO, GA, MA, NJ, NY, TX and WA due to high-efficiency requirements.
Specifications
- Supply Inlet: 1"
- Spud Size: 1-1/2"
- Application: Domestic Water
- Operation: Sensor
- MPN: TET2GBi431#SS
- Certifications: ADA
- Fixture Served: Water Closet
- Gallons per Flush (GPF): 1.6
- Body Style: Concealed
- Cover Plate: 14x12 SS Cover Plate
- Spud Position: Back Spud
- Vacuum Breaker: Atmospheric Vacuum Breaker
- Power Source: SSPS (Turbine)
- IoT Connectivity: IoT-Enabled (LoRa Card Included)
- Finish: Stainless Steel
- Cannot Be Installed In: CA;CO;GA;MA;NJ;NY;TX;WA
- Not for Sale in California: Yes
Dimensions
| Inlet Size | 1" | Outlet Size | 1-1/2" |
Details
| Series | EcoPower | Application | Domestic Water |
| Operation | Sensor | Fixture Served | Water Closet |
| Backflow device | Atmospheric Vacuum Breaker | Cec restricted | Yes |
| Coating | Stainless Steel | Cycle volume gal | 1.6 gal |
| Restricted states | CA, CO, GA, MA, NJ, NY, TX, WA | Spud connection | Back Spud |
| Body style | Concealed | Connectivity | IoT-Enabled (LoRa Card Included) |
| Power source | SSPS (Turbine) | Wall box type | 14x12 SS Cover Plate |
Certifications & Standards
| ADA | — |
Compare with similar products
| Fixture Served | Water Closet
| Water Closet
| Water Closet
| Water Closet
| Water Closet
| Water Closet
|
| Series | EcoPower
| EcoPower
| EcoPower
| EcoPower
| EcoPower
| EcoPower
|
| Inlet Size | 1"
| 1"
| 1"
| 1"
| 1"
| 1"
|
| Outlet Size | 1-1/2"
| 1-1/2"
| 1-1/2"
| 1-1/2"
| 1-1/2"
| 1-1/2"
|
| Application | Domestic Water
| Domestic Water
| Domestic Water
| Domestic Water
| Domestic Water
| Domestic Water
|
| Operation | Sensor
| Sensor
| Sensor
| Sensor
| Sensor
| Sensor
|
| Certifications | ADA
| ADA
| ADA
| ADA
| ADA
| ADA
|
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