Auto Aqua - Smart ATO RO G2 - Automatic filling for the RO system

Automatic refilling of reverse osmosis reservoir with Smart ATO RO G2

The Auto Aqua - Smart ATO RO G2 was designed to simplify a task familiar to many: refilling a reverse osmosis water reservoir without having to stay by the system to monitor the level. In an aquarium setup, this type of operation seems simple at first, but it quickly becomes tedious when repeated. With this device, the reservoir refills automatically from an RO or RO/DI system, cleanly, smoothly, and much more conveniently on a daily basis.

This model is for anyone who wants to save time while ensuring the safety of their setup. It prevents oversights, reduces unnecessary handling, and ensures that reverse osmosis water is available when needed. For an aquarist who regularly prepares their water or wants to keep a ready-to-use supply, this equipment clearly changes the routine. Filling becomes simpler, cleaner, and above all, much more reassuring .

Dual optical sensors for precise water level control

The Smart ATO RO G2's greatest strength lies in its water level detection. The system relies on two optical sensors mounted on magnetic supports. The primary sensor ensures accurate detection during normal operation, while the second acts as a backup in case of a malfunction. This dual reading provides true peace of mind, especially for installations that operate without constant monitoring.

The magnetic mount makes installation particularly simple. The sensors attach easily to a wide variety of containers, without any complex floating mechanisms or fragile moving parts. This is a real advantage in the long run: fewer mechanical parts often mean less wear and tear and a lower risk of failure. The system remains compact, discreet, and easy to integrate , whether the water reservoir is small or large.

Enhanced overflow protection to safeguard the installation

When it comes to automatically filling a water tank, safety is paramount. Auto Aqua understands this well, combining multiple levels of protection in its Smart ATO RO G2. In addition to dual sensors, the system includes a float valve that provides an extra physical barrier against overfilling. This combination of electronic and mechanical safety significantly enhances the overall reliability.

The controller also includes a safety timer that monitors operating time in real time. If anything deviates from normal operation, an audible alarm and LED indicators immediately alert the user. This kind of detail makes all the difference in equipment designed to operate autonomously. The goal is clear: to prevent overloading, protect the room, preserve the equipment, and provide peace of mind .

An ideal solution to avoid TDS creep and preserve RO/DI water quality

The Smart ATO RO G2 does more than just automatically fill a tank. It also helps improve the RO/DI water production process by promoting longer operating cycles. This is particularly beneficial for mitigating TDS creep , the initial rise in dissolved solids often observed during short cycles in RO/DI systems.

In practice, having a reservoir that fills intelligently makes it easier to have clear, ready-to-use reverse osmosis water for the aquarium. It's also good news for the resin, which operates under better conditions. For aquarists attentive to water quality, this is a significant advantage. Fewer unnecessary start-ups, more consistent production, and water stored in better conditions —this is exactly the kind of detail that improves maintenance over time.

A compact, water-resistant design built to last

This system boasts a compact design that allows it to fit into a variety of technical spaces. Whether the reservoir is installed in a cabinet, in a water preparation area, or near the main equipment, the Smart ATO RO G2 remains easy to position. Its design has also been optimized to better withstand the stresses of a humid environment, which is obviously a significant advantage around an aquarium or filtration system.

The product's specific design helps protect the transformer connections and system-related wiring from moisture and water splashes. This contributes to safe operation and extends the equipment's lifespan. A device designed to handle water must be reliable over time , and this model clearly demonstrates this with its robust construction and durable components.

Simple installation and complete kit for quick setup

The Auto Aqua - Smart ATO RO G2 comes with everything needed for quick setup. The package includes the controller, a universal power adapter , a DC solenoid valve , a float valve kit , and a 3-meter length of 1/4-inch RO tubing . The idea is simple: avoid unnecessary additional purchases and allow for a clean installation right out of the box.

Connection to a RO or RO/DI system is easily made to directly supply the water tank. The product has been designed to remain affordable, even though the final installation requires a high level of professionalism. It is simply a matter of following best installation practices, particularly keeping the solenoid valve away from direct moisture and splashes to prevent oxidation and preserve its lifespan.

Technical specifications of the Smart ATO RO G2 for RO and RO/DI systems

The Smart ATO RO G2 operates on a 100-240 VAC, 50-60 Hz power supply, with a 12 VDC / 1 A output. The power cable is 180 cm long, allowing for flexible placement. The DC solenoid valve consumes 6 W at 12 VDC and operates within a pressure range of 0.02 to 0.7 MPa , with a 1/4-inch RO tubing connection. Its cable is 120 cm long.

The sensors can be mounted on pipes up to 12.7 mm thick, while the universal tube bracket accepts pipes up to 19 mm thick. The cable between the sensor and the controller is 180 cm long, and the included hose is 300 cm long. These dimensions allow for easy coverage of most domestic installations. The product is therefore compact, precise, and flexible enough to adapt to various mounting configurations .

Why choose this Auto Aqua automatic filling system for a reverse osmosis water reserve?

This model ticks many important boxes for a discerning aquarist: automated filling, robust overflow protection, improved management of reverse osmosis water production, and a clean installation with complete components. Where manual handling can quickly become a source of forgetfulness or stress, the Smart ATO RO G2 offers a simple, consistent, and long-lasting solution.

It integrates particularly well into a system where a constant supply of reverse osmosis water is desired, without making water preparation a chore. Reliable, compact, precise, and built to last , it helps secure the system while making maintenance much more convenient. For a well-managed RO or RO/DI reserve, it's exactly the kind of equipment you'll appreciate more and more once installed.