AutoAqua Smart ATO RO – Auto Top Off for RO System


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Introducing the AutoAqua Smart ATO RO, an auto top-off designed specifically for RODI systems. Featuring two dual optical sensors this auto shut off system is designed to avoid TDS creep saving on unnecessary DI resin usage and providing the ultimate reliability.



The smart touch controller makes it easy to know exactly what’s happening with your RODI system featuring a simple LED Indicator. Additionally, built-in QST (Quick Security Technology) provides real-time failsafe protection and an audible alarm should something go wrong. There’s no technical jargon or complex menu system making the AutoAqua Smart ATO RO an easy, reliable options for any RODI system.


Save Your Resin

Avoid TDS creep with the dual optical sensor system. Specifically designed with RODI systems in mind, the dual sensors minimise the excessive on/off cycles cause by float valves and can dramatically reduce DI resin usage.


Ultimate Reliability

With no moving parts, optical sensors are already the industry-leading option for liquid level sensing. AutoAqua takes this a step further with dual optical sensors for ultimate reliability. Finally, a manual float valve provides an additional layer of protection so you can rest easy knowing you have the lowest possible chance of failure.


What’s Included:

  • Smart ATO RO Controller
  • Universal Power Adapter
  • 1/4″ Quick Connect RO Solenoid Valve
  • Float Valve Kit
  • 3m 1/4″ RO Tubing



  • Power Input: 100-240 VAC 50-60 Hz
  • Cable Length of Power Adapter: 180 cm (6 ft)



  • 6W @ 12V DC
  • 1/4 inch RO Tubing Connection

Additional information

Weight.65 kg
Dimensions26.5 × 17 × 6.5 cm