This ultra-compact smart auto top-up unit is simple to mount, easy to use and has twin optical sensors for added security.

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Features

• Auto Top-Up Unit (ATO)

• Compact intelligent sensor with twin optics and visual alarm

• Built-in real-time failsafe protection

• No moving parts to fail

• Small footprint

• Easy to install

• Plug & Play

• Complete with DC Top-Up Pump​​

• Waterproof