DD H2Ocean Compact ATO

D-D H2Ocean Compact Auto Top-Up (ATO)

Product Overview

The D-D H2Ocean Compact ATO is an intelligent automatic top-up system designed to maintain stable water levels in aquariums. Featuring twin optical sensors and built-in safety protection, it provides reliable automatic freshwater replenishment to compensate for evaporation. Its compact design allows easy installation while minimising space requirements.

Key Features

• Compact automatic top-up (ATO) unit.
• Twin optical sensors with visual alarm for enhanced safety.
• Built-in real-time failsafe protection.
• No moving parts to reduce maintenance and potential failure.
• Plug-and-play installation with included DC top-up pump.
• Compact footprint suitable for cabinet or sump installation.

Benefits

• Maintains stable aquarium salinity by compensating for evaporation.
• Reliable monitoring with dual sensor safety design.
• Quiet and low-maintenance operation.
• Simple installation suitable for most aquarium setups.
• Supports stable aquatic conditions for freshwater and marine systems.

Specifications

• Power Input: 100–240 VAC, 50–60 Hz
• DC Pump Head Height: 250 cm
• DC Pump Flow Rate: 280 l/h
• Maximum Glass Thickness: 12.5 mm
• Pipe Size: 9 mm OD / 6.5 mm ID
• Pipe Length: 2 m
• Recommended Aquarium Size: Above 50 litres

Compatibility

Suitable for freshwater and marine aquariums requiring automatic top-up systems. Recommended for aquariums above 50 litres; smaller nano systems may require alternative ATO solutions.

Package Contents

• Compact ATO sensor unit
• DC top-up pump
• Mounting components
• Connection tubing