The Hydraulic Institute Pump Resource Center serves as a source for pump end-users to discover and explore resources and tools. These free tools are essential for calculating savings, pump system flow modeling, pump selection, pump system analysis and troubleshooting. HI provides resources and materials for the general education and use of its members and the industry. Those who rely on this material do so at their own risk. This material is provided by third parties, has not been verified by HI and may contain technical inaccuracies and/or other errors.