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    The Grundfos CMBE Booster is designed for domestic and commercial water supply, pressure boosting, irrigation and dewatering applications.

    The CMBE series is available in both 1×110-120V and 1×200-240V variants and uses energy efficient, permanent magnet motor technology, which provides unmatched reliability, quiet operation, and energy savings.

    Thanks to the integrated speed controller, the CMBE keeps a constant pressure in the pipe system. A pressure sensor monitoring discharge pressure will signal to the speed controller to change the motor speed to adapt the performance to the new situation.


    • Constant pressure via integrated speed control
    • Compact design
    • Robust, stainless steel design
    • Easy installation
    • Low energy consumption
    • Dry-running protection
    • Noise level below 55 dBA and even lower at controlled speed

    The CMBE Booster is a complete pump system preassembled with the following components:

    • CME pump with integrated frequency converter
    • 5-way fitting with non-return valve
    • Diaphragm tank
    • Pressure gauge
    • Pressure sensor

    The simple control panel features the GRUNDFOS Eye that indicates system status, warnings and alarms. Adjusting to the desired set-point is easy using the one-touch control buttons. The light fields on the control panel will indicate the set-point setting.


    Additionally, you can use the Grundfos GO App to communicate with the CBME. Grundfos GO is gives you intuitive handheld pump control, and full access to all the Grundfos Online tools on the go.

    Operating Conditions

    • System pressure: maximum 145 psi
    • Suction lift: Max. 23’ including suction-pipe pressure loss at a liquid temperature of 68°F (20°C)
    • Liquid temperature: 32°F to 140°F (0°C to 60°C)
    • Ambient temperature: Max. 113°F (45°C) for 115V. Max. 122°F (50°C) for 220V. Min. -4°F (-20°C)
    • Relative air humidity: Max. 95%
    • Enclosure class: IP55
    • Insulation class: F
    • Supply voltage: 1 x 200-240V, 1 x 115V, 60 Hz
    • Start/stop frequency: Max. 100 per hour
    • Cut-in pressure: 7 psi below set-point

    Have a question? Give us a call.

    Our lines are open and operated by in-house customer support from Monday to Friday at all locations.

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