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Ultimate in Protection, Ultimate in Versatility, Ultimate in Value! Features: World’s first 4-sensor ATO One sensor for top-off detection Two sensors dual-stage overfill alarm w/ QST Programming One sensor for run-dry protection (also a first) Versatile installation with accessories included Efficient DC Pump – Standard Socket switch for use with AC pumps (up to 10A) Solenoid valve for use with RO/DI systems Super precise water level control Super easy installation; plug-and-play No programming or adjustments required Works in complete darkness Why Choose Ultimate ATO ? With 2 X dual-optical sensors, the Ultimate ATO is the first ATO to include 4 sensors. The 4 sensors allow us to design a dual-stage overfill alarm that is less intrusive as well as a run-dry protection feature that prevents your sump from running dry: which is also a first. The Ultimate ATO’s versatility is also unmatched. An efficient DC pump is included for a standard installation. If you require a larger ATO pump for a remote sump installation, a Socket Switch is included that allows you to run a pump up to 10A (1000W). A solenoid valve is also included for aquariums that are topped off directly with an RO/DI system. We designed the Ultimate ATO to offer you the ultimate protection with the ultimate convenience!
