Smart ATO for RO System

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Automate Refilling Your ATO Reservoir

  • Dual Sensors: Enhanced Protection Against Overfilling and TDS Creep
  • User-Friendly: Touch Controller with Failsafe Quick Security Technology
  • Compact: Suitable for All Tank Sizes with Magnetic Mount Sensors
  • Reliable: High-Quality, Durable Components for Lasting Use


The Smart ATO RO is a reliable device designed to automatically fill your RO/DI water reservoir. When the water level drops to the low-level sensor, it will open the solenoid and allow your RO system to refill the reservoir up to the high-level sensor. This system helps you avoid TDS creep in the reservoir, ensuring you always have clean RO/DI water for your aquariums, without the worry of forgetting to turn off your RO/DI system and risking catastrophic floods.




Power Input: 100-240 VAC 50-60 Hz

Power: 4.5 W @ DC 12 V

Power Cord Length: 6 ft (180 cm)

Length of Cable between Sensor and Controller: 6 ft (180 cm)

RO Solenoid Valve:

Power: 6W @ 12 VDC

Pressure: 0.02-0.7MPA

Port: 1/4-inch RO Tubing Connection

RO Solenoid Valve Cord Length: 4 feet (120 cm)

Max. Mounting Thickness:

Sensor: 1/2 inch (12.7 mm)

Universal Holder: 3/4 inch (19 mm)

1/4" RO Tubing:

Length: 9.8ft (300 cm)



What's Included?

Smart ATO RO Controller

Universal Power Adapter

RO Solenoid Valve

Float Valve Kit

1/4" RO Tubing (9.8ft)

More Information
UPC 4714041212112
Control Type Preset Plug & Play (No Controls)
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