? 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 ? Power input: 100?240 VAC 50-60 HZ ? DC Pump: Head 250cm, Flow rate: 280 lph ? Glass mounting thickness 12.5mm
