New CONNECT Edition Update 4 release for Water products

We are pleased to announce the availability of CONNECT Edition Update 4 of the following Bentley OpenFlows products:

WaterGEMS CONNECT Edition Update 4 (
WaterCAD CONNECT Edition Update 4 (
HAMMER CONNECT Edition Update 4 (

Licensed SELECT and ELS subscribers can upgrade to these new releases at no additional cost. they include enhancements and new features to help you be more successful with your hydraulics and hydrology modeling projects. Below are some of the highlights.

Note: The original release version was Version was released soon after, with an important update related to saved graphs and how data is presented in these. Version was then released shortly after that with an update to the language of the material and minor loss engineering libraries. If you had install the 106 or 107 version, t is recommended that you upgrade to

WaterGEMS and WaterCAD

  • New Controls Editor
  • Assign DMAs based on Target number of Customer Meters
  • Time Step Export Options added to Export to Excel feature
  • EPANET 2.2 Support
  • Tank overflow support
  • New convergence options
  • Continue if Unbalanced calculation option
  • Bulk Archive feature for Change Tracking


  • Performance and results granularity improvement (Removal of output size limit and profile animation size limit)
  • Time Step Export Options added to Export to Excel feature
  • Bulk Archive feature for Change Tracking

Information on this new features can be found in the What's New wikis for the products

What's New in WaterGEMS and WaterCAD CONNECT Edition Update 4
What's New in HAMMER CONNECT Edition Update 4

Compatibility and General Information

WaterGEMS, WaterCAD, and HAMMER are compatible with Windows 11, Windows 10, and Windows 8.

The following platforms are supported:

  • Standalone (no CAD or GIS software required)
  • MicroStation CONNECT Edition
  • AutoCAD 2023 and 2022
  • ArcMap 10.8 and earlier (WaterGEMS and HAMMER only)
  • ArcGIS Pro 2.8.X and 2.9.X (WaterGEMS only)

Models saved in earlier versions of the OpenFlows products can be opened in this version.

As with all new versions, this release includes fixes to various user-reported issues from the previous release, providing an overall more stable experience.

For more information on downloading this release, please see the following article:

Downloading OpenFlow Software

Please use our forum to discuss any questions or feedback you have about this release.

Happy modeling!

Bentley Technical Support