Automatic Top Off System with Controller & Sensor in One

What is Smart AFS Technology?

The Smart ATO is a unique Auto Top Off system with a patent pending contact-less digital sensor that monitors and automates refilling evaporated water. Best of all it is very easy to install and contains no moving parts that can fail. Integrated with AFS (Auto Feedback Security) technology which provides real-time fail safe protection against failure. You simply move the outside controller to adjust your sump to a desired water level. It`s that easy!

*Mounts to Clear Glass or Acrylic sumps.

Max wall thickness: 1/2 inch (12.7mm)

Max distance for sensor: 1 inch (25.4mm)

Everything you need is included

Controller/Sensor

Power Adapter

Tubing with Universal Holder

DC brushless pump (Max. Height: 6.5 feet, Max. Flow Rate: 74GPH).

Features

Impossibly Small & Compact

Contactless Optical Water Level Sensor

NO MOVING PARTS!

ZERO CHANCE OF LEAKING VOLTAGE

Smart AFS(Auto Feedback Security) Technology

Very Easy Setup

Safely keep water & salinity levels (in Marine Aquariums) stable

Adapts to most aquarium/sumps with walls up to 1/2inch

2-Year Manufacturer`s Warranty

http://www.marinedepot.com/AutoAqua_Smart_ATO_Automatic_Top_Off_System_Electric_Powered_Dosing_Pumps_Top_Off_Plug_In_Units-AutoAqua-CV47286-FIDPETPU-vi.html