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Grundfos UPM3 Hybrid 25-70 Pump for Pumpstation


UPM3 HYBRID is an OEM high efficient circulator offering flexible solutions for thermal solar systems. It is designed to work both with and without PWM signal, allowing you to upgrade your systems without having to change the controller.


Head height: 7m

Pump length: 180mm

Fitting size: 1 3/4"




With PWM Signal:

- Externally speed controlled

- Choice of one of 4 PWM SOLAR Profile C curves


Without PWM Signal:

- Externally speed controlled

- Using the Mini Superseal signal cable connection

- Configured via user interface or pre-set in Grundfos factory



Characteristic Features

- High Efficiency circulator for integration in HVAC SOLAR systems; EEI = 0.20 EN16297/3

- Smallest design ever for a circulator; smaller than the well-known UPS circulator

- Integrated OEM high efficient circulator with one specific external control mode

- Active or passive inrush current limitation

- Ambient temperatures of up to 70° Celsius.




- Lowest space requirements ever for a circulator integrated in an appliance

- Optimised design fit for easy accessibility

Easy access to the user interface from front

Easy access to the connectors from front

Easy access to the pump head screws from the front

Easy access to the de-blocking screw from front

- Intelligent configuration

Different signals and profiles available (PWM A, PWM C, KMBus)

Standard return signal showing power consumption, alarm and operation status

Other customized input profiles and different return profiles are possible e.g. flow estimation

- Ready for Conversion according Ecodesign requirement for August, 2015 exceeding benchmark level; EEI = 0.20 EN16297/3

- Unmatched reliability

Field and lab tested product quality

Ceramic bearing shaft - The UPM3 comes equipped with ceramic bearing shafts for a long and trouble-free lifetime. The ceramic material is extremely durable and will not wear.

Double de-blocking system - Electronic de-blocking that maintains the maximum starting torque up to 25 Ncm and manual de-blocking accessible from the front without demounting the control box.

High temperature resilience - The resilience to heat will enhance the possibilities of system integration enormously. Ambient temperatures of up to 70° Celsius.

Grundfos UPM3 Hybrid - Replacment

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