Rain harvesting system RAIN3-25 EM 2551472

Rainwater harvesting system – efficient use of rainwater

The Wilo-RAIN3-25 EM rainwater harvesting system is a comprehensive solution for collecting and utilizing rainwater. Equipped with automatic mains water top-up, this system effectively supplies water to devices such as toilet flushes, washing machines, and garden irrigation systems. The self-priming pump with a capacity of up to 5.25 m³/h and a head of up to 49.1 meters ensures reliable operation even with high water demand. The LCD display facilitates operation and system monitoring, while built-in protections prevent dry running and motor overload.

Design and application

RAIN3-25 EM is designed for easy installation and convenient operation. Its compact design and various hydraulic connection options make installation quick and easy. The system is suitable for both residential and commercial buildings where there is a need for economical water management. Thanks to the integrated non-return valve and expansion tank, it meets the requirements of DIN 1989 and EN 1717 standards, guaranteeing hygienic safety. The acoustic housing minimizes pump noise, which is particularly important near living areas.

Key features and benefits

• Automatic operation: The system automatically manages the supply of rainwater, switching to mains water when it is insufficient.
• High efficiency: The 0.7 kW pump provides a capacity of up to 5.25 m³/h, allowing it to supply multiple devices simultaneously.
• Protections: Built-in dry-run and motor overload protection protects the pump from damage and extends its service life.
• Easy operation: The LCD display enables intuitive operation and monitoring of system parameters.
• Quiet operation: The acoustic housing reduces noise generated by the pump, ensuring comfortable use.
• Universal application: Ideal for toilet flushes, washing machines, and garden irrigation systems.
• Durable construction: Made of high-quality materials such as ABS (tank) and PP-GF (pump body), guaranteeing reliability and long-term use.
• Wide temperature range: Operation in a temperature range of 5°C to 30°C for the medium and 5°C to 40°C for the environment ensures flexibility of application.
• Connections compliant with standards: ISO 228-1 connections ensure compatibility with existing hydraulic installations.