The Grundfos PM 1 pressure manager is designed for automatic start/stop control of Grundfos pumps and other water supply pumps. The PM 1 is suitable for applications where start/stop of the pump according to consumption is needed. The PM 1 starts the pump when the start pressure is reached, and the pump keeps running as long as there is a flow.
The PM 1 offers dry-running protection and cycling alarm for increased safety.

Minimum flow - 1m³ per hour
Start Pressure not adjustable - 2.2 bar fixed
Fitted non-return valve
Max operating pressure of 10 bar
1" BSP Inlet/Outlet
Max P1 1200 watts
Rated Current 10 amps
No plug fitted
Water Temp range 0-40°C