Pump dimensioning tool

You need help to choose the suitable pump from our product range? Please enter the known information.

You may choose between the following options:

Calculation based on known total capacity and rainwater calculation

Calculation based on residential units/residents

Calculation based on drainage sources

Berechnung von Gartenpumpen, Tiefbrunnenpumpen und Regenwassernutzungsanlagen


The dimensioning of sewage lifting units is based on standards and regulations acc. to DIN 1986-100 and DIN EN 12056-4 and the commentaries on these standards.

Claims and regulations from local constitutions must be consulted with the respective approval authority

The recommendation for planning and dimensioning is non-binding and must be checked responsibly by the customer.

Disclaimer: Claims for damages of the user, no matter the legal argument, because of defects of the software or violation of other liabilities, are excluded. In particular, these are: incorrect dimensioning of lifting units, pumps or other system components, wrong data, drawings, characteristics or price indications.

Copyright: © 2014 Zehnder Pumpen GmbH, all rights reserved.

By pressing 'Calculation' you agree to the conditions mentioned above.