The Tank Boss ATO (Auto Top Off).


This unit has a number of great features built in. The Tank Boss ATO is actually a Highly Advanced Auto Top Off, Level Safeties and Leak Detection in one unit!


Integrated with a digital timer, triple redundant safeties and an audible alarm it is the Ultimate Tank Control Unit.

With six reed float switches, you are able to keep track of all your levels and even alarms you when needed.


In low water scenarios, The Tank Boss ATO has safeties to shut off your pumps and heaters, and alarms to make you aware of it. It also incorporates an overflow safety for either your tank, sump or skimmer.

Another great feature is the Leak Detection Sensor with alarm to let you know if the aquarium or filters starts to leak for whatever reason. There are additional level sensors to add more redundancy.


The Tank Boss ATO runs on safe low voltage 12VDC fused protected circuitry and comes with a 5 ft. power cord and cabling, but there are 6 ft. extensions available in case you need extra length to route your sensor or float switches.


View the Full Installation Instructions

View the Installation Diagram

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~Adjustable Automatic Top Off
     (WITH Integrated Digital Timer & Triple Redundant Safeties  & Audible Alarm)
 ~10 Amp Low Water Pump/Heater Safety
(with Audible Alarm)
 ~Main Pump/Feed Switch
 ~Tank or Skimmer Overflow Safety
(with Audible Alarm)
 ~Leak Detection Sensor
(with Audible Alarm)
 ~Quick Connect Level Sensors
(36" Cabling Standard.  72" Extensions Available)
 ~Bright LED Indicator Lights
 ~Fuse Protected Circuitry
 ~Safe Low Voltage 12 VDC
 ~Includes Suction Cup Float Mounts, Magnetic Float Mount & Precision Adjustment Float Bracket
 ~Made in USA
 ~MSRP $299.99

 The Tank Boss ATO INCLUDES:

 ~ 'The Tank Boss ATO' Main Unit

 ~ 5 FT Removable Power Cord 

 ~ 6 Reed Float Switches with 36" cabling

 ~ Leak Sensor with 72" cabling

 ~ Color Coded Connections

 ~ Assorted Mounting Hardware & Brackets


 ~ 72" Cabling Extensions 


The Tank Boss ATO Back Label (Note Color Coding)


 The Float Bracket is made from 100% salt water safe ABS plastic and
is designed to allow you to install a float at just about any depth.
With 2 interchangeable holders it can Precision Adjusted for a span of up to and incredible 27"

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