B&D Mfg., Inc. geothermal blog cover showing non-pressurized flow centers, GT Flow Center, QT Flow Center, and geothermal system components.
Who Invented the Non-Pressurized Flow Center? The Dallas Warnke Story

Who Invented the Non-Pressurized Flow Center? The Dallas Warnke Story

How Dallas Warnke founded B&D Mfg. in 1992 and invented the non-pressurized flow center, helping change geothermal system design.

What Is a Geothermal Flow Center? | Complete Guide to Geothermal Pumping Modules

What Is a Geothermal Flow Center? | Complete Guide to Geothermal Pumping Modules

Learn what a geothermal flow center is, how it works, and why it’s essential for geothermal HVAC systems. Discover benefits, components, and maintenance tips.