Neptune Systems Automatic Top-Off Kit v2

Automatic Top-Off Kit (ATO). The ATK (Automatic Top-Off Kit v2) is a simple, standalone, and comprehensive solution for replenishing water lost due to evaporation. It is easy to install and use, with three levels of water level monitoring and control. The ATK takes over the replenishment for you, providing protection for your aquarium and your home.

• Easy to install - plug & play, with no assembly bases required.
• 3 levels of protection: Two optical water level sensors.
• IQ-Fill water run-time intelligence - learns the amount of water you use for each refill.
• Mechanical valve with float that prevents water overflow.
• Operates stand-alone without Apex.
• Includes PMUP 24VDC pump.
• Audio alarm for failure.

• Back up: Optical sensor with a second sensor as backup.
• IQ-Fill water run-time intelligence: Limits the amount of water in case of sensor failure.
• Float: Mechanical float that stops the water supply in case of failure of all electronic safety valves.