Auto TopOff & Water Changer

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Auto Top-Off  & Water Changer All-In-One by AutoAqua

Smart AWC touch

Smart AWC touch is a very compact auto water change system. It uses two super tiny uniquely designed optical sensors that are suitable for both small and large aquariums. Doing water changes become so simple with Smart AWC touch. A magnetically-coupled sensor makes it easy to adjust to the desired water level. Simply mount the two sensors on the aquarium, adjust their heights' with the magnetic mounts and program the desired auto water change process by the touch screen. AUTO mode may also be chosen to do a water change automatically at the desired frequency and speed. The unit is integrated with QST (Quick Security Technology), which provides real-time fail safe protection against any failure and detects a "water empty" status. Best of all, it also has an ATO (Auto Top-Off) function to maintain the water level and salinity.

Model: SAWC-200P


  • AWC & ATO dual functions
  • Simple touch panel interface
  • Optical level sensor with integrated magnetic mount
  • Extremely simple to install and maintain
  • No moving parts to fail
  • QST (Quick Security Technology) provides real-time fail-safe protection against failure
  • Everything needed is included in the box


  • Smart AWC touch Controller x 1
  • Power Adapter x 1
  • DC Pump x 3
  • Universal Tube Holder x 3
  • Siphon Break x 3
  • Tubing 19.6 ft (600 cm) x 1


  • Power Input : 100-240 VAC, 50-60 Hz
  • Cable Length of Power Adapter: 6 ft (180 cm)
  • DC Pump :Max Mounting Thickness : 1/2 inch (12.7 mm)
    • Head : 8.2 ft (250 cm)
    • Flow Rate : 74 gph (280 lph)
  • Power : 4.5 W @ DC 12 V
  • Pump Cord Length : 6 ft (180 cm)
  • Power Cord Length : 6 ft (180 cm)
  • Flexible Tubing Size : ID : 6.5 mm / OD : 9.0 mm
  • Length of Cable between Sensor and Controller : 10 ft (300 cm)

Installation Diagram:

*Please avoid setting up the sensor in an area with micro bubbles or direct light.