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The presented Wilo-Stratos MAXO 25/0.5-12 -R7 PN10 circulating pump (part number 2217896) is an advanced heating device with a 5-year warranty. Thanks to its intuitive operation, realized through dedicated Setup Guide settings, a new display and green dial technology, this device provides easy setup and comfortable operation

The unit achieves the highest energy efficiency through optimized and innovative energy-saving features, such as the No-Flow Stop system. Intelligent control functions, including Dynamic Adapt plus, Multi-Flow Adaptation, T-const and ?T-const, guarantee optimal performance of the entire heating system

The pump allows for the connection of mobile and networked devices using the latest communication interfaces, including Bluetooth technology, which allows multiple devices to be controlled via the Wilo Net system. An additional advantage is the high level of electrical installation convenience, achieved through a clear terminal box and an optimized Wilo-Konektor

The device is equipped with standard digital and analog connectors, which allows wide application in a variety of heating systems

Technical data

• Potential-free switching contact: yes
• Built-in length: 180 mm
• Pulse counter interface: no
• PT100 / PT1000 / PTC interface: yes
• PWM (Pulse Width Modulation) interface: no
• Number of phases: 1
• Maximum operating pressure: 10 bar
• Maximum capacity (max. flow): 12.36^m3/h
• Maximum head: 12,38 m
• BACnet IP protocol support: no
• BACnet MS/TP protocol support: no
• CAN/CANOpen protocol support: no
• EtherNet/IP protocol support: no
• KNX protocol support: no
• LIN Bus protocol support: no
• LON/LONWorks protocol support: no
• Modbus RTU protocol support: no
• Modbus TCP protocol support: no
• PROFIBUS protocol support: no
• PROFINET IO protocol support: no
• RS-232 protocol support: no
• RS-485 protocol support: yes
• Power consumption of pump (solpump): 295 W
• Power consumption of the pump in standby mode (solstandbypump): 7 W
• Motor power consumption (P1): 0.3 kW
• Dual pump: no
• Rated current: 1.28 A
• Nominal flow rate (BEP): 7,493^m3/h
• 2G / 3G / 4G wireless communication standard: no
• 5G wireless communication standard: no
• Bluetooth wireless communication standard: yes
• WLAN 802.11 wireless communication standard: no
• Degree of protection (IP): IPX4D
• Interface signal 0-10 V / 2-10 V: yes
• Interface signal 0-20 mA / 4-20 mA: yes
• Average temperature (continuous operation): -10 °C to 90 °C
• Outer diameter of the connection on the outlet side: 40 mm
• Ambient temperature: -10 °C to 40 °C
• Energy efficiency index (EEI): 0,2
• Head at nominal flow (BEP): 77.37 kPa
• Rated voltage range: 230 V