Page 4 of catalogue Impeller pumps of Zuwa-Zumpe GmbH

Optional Features
Dry Run Protection

Dry run protection
For Impeller pumps of the series 2000-A and 2000-B a dry run protection is available. To protect the impeller a sensor switch interrupts the power supply before overheating. A reset button restarts the pump after eliminating the fault. Easy retrofitting of existing Pumps.

Pressure Switch

Pressure switch

New
The pressure switch shuts off the pump when reaching a preset pressure level. As soon as the pressure drops again by 30% the pump automatically starts anew.


switching pressure: adjustable from 1-10 bar connection: ¼” switch housing: stainless steel

Flow control
Flow Control

New
With flow control the flow rate of a pump can be controlled and adjusted within a specified range. A flow indicator is integrated in the housing.


flow rate: 8 - 30 L/min or 10 - 40 L/min connection: 2 x 1" male thread max. operating pressure: 10 bar material: brass (approved for drinking water)