Smart ATO RO


Why Choose Smart ATO RO?


Touch controller shows operation status. Built-in QST (Quick Security Technology) provides real-time failsafe protection against failure. There’s no technical jargon or complex menu system.

It features Audible and LED Indicator alarm show what’s happening in your aquarium.


Dual-optical sensors in one tiny package provide dual protection that are perfect match for both small and big tanks. Integrated magnetic mount with no moving parts to fail. Accurate detecting can keep your aquarium stable.


Everything are included in the package to set up the system in a moment. High quality parts provides high reliability.

Save Your Resin!

Smart ATO RO is a reliable device to fill your RO or RO/DI water reservoir automatically. When the water level falls down to the low-level sensor, it will fill the reservoir up to the high-level sensor. You can avoid TDS creep in the reservoir and always get clear RO or RO/DI water for your aquariums but never have to worry about forgetting to turn off your RO or RO/DI system causing catastrophic floods.

Smart ATO RO comes with two precise dual sensors along with a float ball switch which provide extremely protection to prevent accidental floods. The magnetic-mount dual sensors allow you to set them in variety containers effortlessly and are easily to move to another container.

SKU: SATO-460V Category:




  • Touch controller shows operation status.
  • Dual-optical sensors in one tiny package
  • Optical level sensor with integrated magnetic mount
  • Extremely simple to install and maintain
  • No moving parts to fail
  • QST (Quick Security Technology) provides real-time failsafe protection against failure
  • Everything you need is included


  • Smart ATO RO Controller x 1
  • Power Adapter x 1
  • Ro Solenoid Valve x 1
  • Float Valve Kit x 1
  • 1/4-inch RO Tubing 9.8 ft (300 cm)


  • Power :
    – Power Input : 100-240 VAC 50-60 Hz
    – Power : 4.5 W @ DC 12 V
    – Power Cord Length : 6 feet (180 cm)
  • RO Solenoid Valve :
    – 6W @ 12 VDC
    – 1/4-inch RO Tubing Connection
  • Max. Mounting Thickness :
    – Sensor : 1/2 inch (12.7 mm)
    – Universal Holder : 3/4 inch (19 mm)
  • Length of Cable between Sensor and Controller : 6 feet (180cm)

Installation Diagram: