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TOTO TET3UB31 EcoPower® Ultra-High-Efficiency Concealed 4"x4" Toilet Flush Valve (V.B. Set) - 1.0 GPF

Vendor: Toto

Type: Flush Valve

SKU: TET3UB31#SS

$1,059.00

$1,059.00 ~~$1,412.00~~

Shipping calculated at checkout.

Color: Stainless Steel

Stainless Steel

Spud Location: Back Spud Wall

Back Spud Wall Top Spud

Options: Standard Model

Standard Model

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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:

1.0 GPF
Self-powered hydroelectric flush valve system
No minimum daily usage requirement
4” x 4” stainless steel cover plate with brushed 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
Contributes to earning credits in LEED®
Protects trap seal with a maintenance flush if not used in a 24 hr period
ADA Compliant

Download Data Sheets:

FAQ – TOTO TET3UB31 EcoPower® Ultra-High-Efficiency Concealed 4"x4" Toilet Flush Valve

What is the TOTO TET3UB31 EcoPower® Concealed Flush Valve?

The :contentReference[oaicite:0]{index=0} TET3UB31 EcoPower® is an ultra-high-efficiency concealed toilet flush valve designed for commercial restroom applications. It is installed behind the wall using a 4"x4" rough-in system, providing a clean, modern appearance and reliable performance.

What does “EcoPower®” technology mean?

EcoPower® technology generates electricity from the flow of water, allowing the flush valve to operate without batteries or external power. This self-sustaining system reduces maintenance costs and ensures continuous, reliable operation.

What is a concealed flush valve system?

A concealed flush valve system is installed inside the wall, hiding the mechanical components from view. Only the sensor or actuator plate is visible, creating a cleaner and more modern restroom design while protecting internal parts from vandalism.

Where is the TET3UB31 commonly used?

This model is commonly used in commercial and institutional facilities such as airports, shopping malls, office buildings, hotels, and hospitals where durability, hygiene, and modern design are important.

Does this flush valve require batteries or wiring?

No, the EcoPower® system is completely battery-free. It uses hydro-generated energy from water flow to power the sensor and automatic flushing system.

Is the TOTO TET3UB31 water efficient?

Yes, it is engineered for ultra-high-efficiency water usage, helping commercial facilities significantly reduce water consumption while maintaining strong flushing performance.

What are the benefits of a concealed flush valve?

Concealed flush valves improve restroom aesthetics, reduce exposed components, enhance hygiene, and provide better protection against vandalism and wear in high-traffic environments.

Is installation complicated?

Installation should be performed by a licensed plumber experienced with concealed flushometer systems to ensure proper setup, calibration, and long-term reliability.