The ATK (Auto Top Off Kit) from Neptune Systems is a comprehensive solution for maintaining water levels in your aquarium with ease and reliability. Here’s an overview of its features, functionality, and included components:

Key Features:

• Plug & Play Operation: The ATK is designed for easy installation, allowing users to quickly get it up and running without complex setup procedures.

• Includes PMUP v2 Pump: A powerful 24V DC pump specifically designed to efficiently transfer water from your RODI reservoir to your aquarium or sump.

• Two Optical Sensors: These sensors have no moving parts, providing reliable water level monitoring without the wear and tear associated with traditional floats.

• IQ-Fill Water Run-Time Intelligence: In standalone mode, the ATK learns the optimal water amount to be added and will not exceed this amount, helping to prevent overfilling.

• Mechanical Float Valve: Acts as a backup safety measure, stopping water inflow in case of electronic failure.

• Audible Alarms: Alerts you when issues arise, ensuring you are notified about any problems in the system.

• No Apex Necessary: The system operates effectively on its own, making it accessible for all hobbyists. However, advanced features become available when paired with an Apex Controller.

Three Levels of Safety:

1. Backup Optical Sensor: Prevents overfilling if the primary sensor fails and triggers an alarm.

2. IQ-Fill: Stops the ATO pump if the system runs too long, preventing excessive water addition and sounding an alarm.

3. Physical Float Valve: Serves as a last line of defense against overflow, stopping water flow if electronic systems fail.

PMUP v2 ATO Pump:

• Designed with a vertical profile to easily fit into most water jugs or reservoirs.
• Capable of pumping water over 14 feet vertically, suitable for remote or low-floor placements.
• Features a removable screen at the bottom for easy access to the impeller, allowing for simple cleaning.

Extra Value for Apex Owners:

• When connected to an Apex system, the ATK provides additional benefits such as receiving email and push notifications if an issue occurs.
• The bundled FMM (Fluid Monitoring Module) includes four ports for additional sensors; while the included optical sensors use the first two ports, the remaining ports can accommodate further accessories like leak detectors.

What's Included:

• FMM Fluid Monitoring Module
• (2x) Optical Water Level Sensors
• Float Valve
• 90° Tube Fitting
• PMUPv2 ATO Pump
• 4 Meters of Orange RO Tubing
• 3/8" to 1/4" Push Connect Adapter Fitting
• 1/4" Push Connect Siphon Break
• Set Screw for Non-Float Valve Applications
• 24V 36W Power Supply

The Neptune Systems ATK is an essential tool for any aquarist looking to simplify water level management in their aquarium, providing reliability, safety, and advanced features for both standalone and integrated Apex systems. If you have any questions or need assistance with setup, feel free to ask!