ReefControl - ATO module ReefControl ATO Module The digital ATO sensor and dc pump of the ReefControl ATO module connect directly to the ReefControl Pro or Lite to seamlessly add a fully featured ATO to your system without the need for an additional controller. (Controller sold separately) 3m/10' Silicone Tubing Tube Holder Syphone Breaker 12v DC Pump Sensor Holder & Magnetic Corner Bracket ReefControl Digital ATO Level & Temperature Sensor ReefControl ATO Digital Sensor Slim-line, multi-input, titanium probe, solid-state (EC technology) water level sensor, with a built-in digital thermometer accurate to 0.1 degrees, providing real-time monitoring, notifications, and logs. It can also be configured to automatically control DC equipment such as cooling fans, or AC equipment such as heaters, when used in combination with ReefControl Power. ATO Pump Quiet, variable flow, serviceable ATO pump (6–10w), diameter 4.5cm / 1.8”, max flow 300 lph / 75 gph, max head 2.5m / 8’. Complete Installation Kit Sensor holder and magnetic corner mounting bracket for 12mm ½” glass 3M /10' – 1.5mm / 1/16" thick silicone tubing ID 5mm / 0.2" Silent flow - Tube holder, clips on 4 – 12mm / ½” glass Siphon Breaker