Product Description Grundfos Pressure Manager The Grundfos PM1 and PM2 pressure managers are designed to automatically start/stop water supply pumps. This fully automatic pressurisation device incorporating an electronic pressure switch, dry run protection and cycling alarm. This unit also replaces the need for pressure switch, vessel, dry run protection and non return valve. The unit can be fitted to any pump with a min outlet pressure of 1.5 Bar and up to a maximum of 10 Bar. Max flow rate is 10 m/h. The unit will turn on the power to run the pump the moment there is a flow demand. The unit requires a 230 volt single phase electric supply. 1″ BSPM bottom inlet and 1″ BSPM top outlet. Options PM1 1.5 Bar – up to 6 amp with fixed start pressure PM1 2.2 Bar – up to 6 amp with fixed start pressure PM2 1.5-5.5 Bar – up to 10 amp with adjustable start pressure from 1.5 to 5 Bar Click for Data Booklet Click for Instruction Manual