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.

Pressurized vs Non-Pressurized Geothermal Flow Centers | Complete Guide

Pressurized vs Non-Pressurized Geothermal Flow Centers | Complete Guide

Learn the difference between pressurized and non-pressurized geothermal flow centers, their benefits, applications, and how to choose the right system for efficiency and performance.