AutoAqua AutoAqua Smart ATO RO G2
- SKU: 4714041212501
- VENDOR: AutoAqua
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Automatically Fill Your RO/DI Reservoir
- Prevents Overflows with Dual Sensor Fail-Safe
- Reduces TDS Creep and Saves DI Resin
- Easy to Install with Magnetic Mount
- Built-In Safety Alarms and Timer
The Smart ATO RO G2 is designed to automatically fill your RO or RO/DI water reservoir, so you always have clean water ready for top off, water changes, or mixing salt.
Manually filling a reservoir can lead to not having RO/DI water when you need it or even serious floods. The Smart ATO RO G2 solves that problem by handling the process for you, giving you a reliable and hands-off way to manage the water in your storage container.
How it Works
Two sensors are used to control water levels: one low and one high. When the water level drops below the low sensor, the solenoid opens to allow RO/DI water to fill the reservoir. Once the water reaches the high sensor, the solenoid closes and stops the flow of water. The system will not refill again until the water level drops below the low sensor.
By producing water in larger batches instead of frequent short cycles, the system helps reduce TDS creep, which can extend the life of your DI resin.
Built-In Safety Features
For added protection, each sensor (both high and low) has two optical sensors built in, with one acting as the primary sensor and the other as a backup.
A float valve is also included as a backup safeguard in the event both high-level sensors fail.
Beyond that, the system also has a built-in timer function that will stop the flow of water and trigger an audible alarm and illuminate an LED indicator.
Specifications
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Power
- Input: 100-240 VAC 50-60 Hz
- Output: 12 VDC / 1 A
- Cable Length: 6 feet (180 cm)
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DC Solenoid Valve
- Power: 6W @ 12 VDC
- Pressure: 0.02-0.7 MPA
- Port: 1/4" RO Tubing Connection
- Cable Length: 4 feet (120 cm)
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Max. Mounting Thickness
- Sensor: 1/2" (12.7 mm)
- Universal Tube Holder: 3/4" (19 mm)
- Length of Cable between Sensor and Controller: 6 feet (180 cm)
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Tubing:
- Length: 9.8 feet (300 cm)
- 1/4-inch RO Tubing
What's Included?
Smart ATO RO G2 Controller
Universal Power Adapter
DC Solenoid Valve
Float Valve Kit
1/4" RO Tubing (9.8 ft)
Online Only Item
This product is not stocked at our retail location. It is sourced from one of our distribution warehouses after your order is placed. Please allow 3 to 7 business days for processing before shipment or pickup.
In-Store Item
This item is stocked at our retail location and is typically available for immediate purchase, in-store pickup, or shipping. Orders are generally processed within 1 business day, although processing times may vary during sales, holidays, or periods of high order volume. Inventory is updated regularly but is subject to prior sale.
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Additional Information:
An ATO specially designed to fill the RO water reservoir from RO or RODI system directly. The kit comes with two duo sensors that provide double protection and avoid TDS creep.

