Grundfos UPM3 Power Cable: plug-in lead, no terminals to open (video guide)

A plug-in replacement power cable for Grundfos UPM3 pumps, including the Flex and Auto on our pump packs. The moulded connector means there are no terminals to open on the pump. It's the power cable, not the PWM signal cable.

Watch the full video and the quick version below, and download the data sheet and install manual for the exact specification.

Key facts

• For Grundfos UPM3 pumps, including Flex and Auto
• Moulded plug-in connector
• No terminals to open on the pump
• Power cable, not the PWM signal cable
• Not for Wilo or Bastion pumps

How to fit it

1. Isolate the pump's supply and prove it dead
2. Unplug the old cable and push the new connector fully home
3. A qualified electrician connects the other end to the supply or wiring centre
4. Restore power and check the LED lights and the pump runs

Buy it

The Grundfos Replacement Pump Power Cable (UPM3) is available from MaxHeatUFH. Order by 12pm on a working day for next working day UK delivery. Trade customers see their trade price when logged in.

Planning a whole floor? Design your UFH system yourself in 3 minutes with MaxHeatUFH ProLoop and get an instant quick design and quote.