ESBE GRC221 CRC217+VRG432-25-WILO Pump Group

The ESBE GRC221 is a pre-assembled and pre-tested pump group designed for heating circuits requiring weather-compensated or combined weather/room temperature control and pump management. It ensures efficient and precise flow temperature control, making it a reliable solution for modern heating systems.

• Integrated Weather-Compensated Controller (CRC217): Offers advanced heating curve adaptation through the ESBE Smart Software & Self-Adaptive System.
• 3-Way Rotary Progressive Mixing Valve (VRG432-25): Provides exceptional flow control with its progressive characteristic.
• High-Efficiency Wilo Pump: Equipped with a Wilo PARA STG 25/8 pump, PWM controlled with 8 operating modes for optimized energy usage.
• QuickFit Interface: Allows tool-free assembly between the actuator and valve, simplifying installation.
• Shut-off Valves with Thermometers: Includes two shut-off valves with integrated thermometers for easy monitoring and maintenance.
• Check Valve: Prevents backflow, ensuring system integrity.
• High-Class Insulation Shell: Enhances energy efficiency by minimizing heat loss.
• Compact Design: Facilitates installation in tight spaces.
• Pre-Assembled and Pre-Tested: Ready for immediate installation, saving time and effort.
• Nominal Diameter DN25: Suitable for standard heating system connections.
• Application Versatility: Ideal for heating circuits requiring weather-compensated or combined weather/room temperature control.

The ESBE GRC221 pump group is engineered for ease of use and optimal performance. Its components, including the CRC217 controller, VRG432 mixing valve, and Wilo pump, are seamlessly integrated to provide a comprehensive solution for efficient heating circuit management. This unit ensures reliable operation and energy savings, making it a smart choice for both residential and commercial applications.