
Sensera’s first application of the technology is for toilets, which are the largest cause of water waste in homes in the US. However, this technology could be applied to various other valved devices.
Sensera is seeking a partner to commercialize or license the technology.
Wireless Microflow Detection Sensor
- Detect ultra low leak rates of 1 drop per second (.3ml) or less
- Unique to industry
- Low cost (quick ROI)
- Connected wireless technology can notify by audio, email or text.
- Auto shutoff on overflow capability
- Easy to install – takes minutes, 1 tool required!
- Every toilet in a building can be networked with a superintendent dashboard on their office computer
- Patent pending
Key Features

Communicates with your cell phone or the internet

Detects continuous flow situations and warns you by audio, email, or text

Autonomous emergency shutoff capability

Self powered – no electrical hookup required

Detects low leakages of 1 drop per second and less

Detects leaky flapper valve

Standard crescent wrench to install
Towakon™ Specifications
Pressure Range – operates over the range of commercial and domestic plumbing pressures.
Mounting requirements – any orientation, water proof housing. Hand tightened compression fittings the same as those used for a supply valve.
Wireless Communication – Can be configured with Blue Tooth Low Energy (BLE) to mobile phone or laptop computer or wireless network 802.11
Data Storage – reports leak rate and type (low and continuous from bad fill valve or periodic bursts of flow from a bad flapper valve). Number of flushes per day. Approximate total volume of water consumed or wasted per day.
Emergency Cutoff – can be configured to shut off toilet supply after user specified amount of time 100 to 1000 seconds (300 seconds default). This option not on current prototype.
Size – approximately 150mm x125mm x 125mm (outside extent)
Weight – 545g (20 oz)
Expected Lifetime of 5 Years
No maintenance, install once and replace every 5 years to insure continued protection
*Specifications subject to change