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D&D H2Ocean Compact Auto Top-Up

The D-D H2Ocean Compact Auto-Top Up. This ultra-compact smart auto top-up unit is simple to mount, easy to use and has twin sensors for added security - No floats!

FREE DELIVERY on orders over £39 - T&C apply

Our best selling ATO! Setup time is less than 2 minutes! No use of floats which can be unreliable and sometimes become stuck over time; the DD ATO uses an optical sensor to measure water level providing confidence in its accuracy and capability. 


- Compact intelligent sensor with twin optics and visual alarm.

- Colour changing sensor providing a visual alarm if there are any issues.

- Built-in real-time fail-safe protection.

- Magnetic mount - No suction cups in sight!

- No moving parts to fail.

- Small footprint.

- Easy to install.

- Plug & Play.

- Complete with DC Top-Up Pump, pipework, sensor and power cables.

Technical Info:

- Power input: 100˜240 VAC 50-60 HZ.

- DC Pump: Head 250cm, Pump Flow rate: 280 LPH.

- Glass mounting thickness 12.5mm.

Click here for D&D H2Ocean Compact Auto Top-Up PDF Instructions

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