Pro-Line Aqua Auto Top-Up System
Automatic Water Level Control for Ponds & Water Features
 
The Pro-Line Aqua Auto Top-Up System is a simple, reliable solution for maintaining a consistent pond water level.
Using a float-based water level sensor, the system automatically allows mains water to enter the pond when levels drop—then shuts off once the pre-set level is restored.
This prevents low water issues caused by evaporation, splash-out, or filter maintenance, protecting pumps, filters, and fish health.
 
Why Install an Auto Top-Up System
Maintains constant water level – protects pumps from running dry
Reduces manual topping up – saves time and effort
Improves system stability – consistent filtration performance
Cleaner, safer operation – no sudden level drops
Ideal for koi ponds, garden ponds, and formal water features.
 
How It Works
A float mechanism with waterline mark is set to your desired level
When the pond level drops below this point, the valve opens
Mains water is automatically added
Flow stops once the correct level is reached
Simple, mechanical logic with dependable results.
 
Complete Kit – Ready to Install
The system is supplied as a complete package and includes:
Water level sensor with float mechanism
2 × click-fit hose connectors
Control box
Low-voltage power supply
Watertight power connection
Everything required for a clean, professional installation.
 
Installation & Use
Straightforward setup
Clear visual waterline reference
Low-voltage operation for safety
Suitable for permanent installation
Can be integrated discreetly into most pond designs.
 
Ideal Applications
Koi ponds
Garden ponds
Formal water features
Ponds with waterfalls or surface skimmers
Particularly useful during hot weather or in high-evaporation systems.
 
Bottom Line
The Pro-Line Aqua Auto Top-Up System provides automatic, hands-free water level control—protecting your equipment, stabilising your filtration, and reducing daily maintenance. If you want consistent water levels without constant monitoring, this is a practical, professional solution.