PM 1 is a pressure manager designed for automatic start/stop control of Grundfos pumps and other water supply pumps. PM 1 offers basic control features as well as dry-running protection and cycling alarm.
The product may not be for sale in your country
Service videos
How to remove the valve on Grundfos Pressure Manager(PM1)
2:21
Pressure Manager _PM 1
Please note! If you are unable to find the required documents in your language, there may be an English alternative available.