Ultimate ATO - Complete 4-Sensor Aquarium Auto-Top-Off System

• 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

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