Grundfos UPM3 AUTO 25 /70 130 mm 52 watt is the ideal answer for Underfloor Heating Systems although it is suitable replacement for the Alpha 2 L pump
130 mm length, 7 m head pump
Connections 130mm x 11/2″ BSP Thread ~ n.b. BSP sizes don’t match up with what you measure on the scale of a ruler (1 & 1/2 Inch BSP =47.80 mm)
Benefits
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 it 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 °C.
