B and D Mfg., Inc.
This is the "Original" non-pressurized flow center manufactured in the USA by B&D Mfg. Inc. It boasts a stainless steel air separation chamber that allows entrapped air in the geothermal loop system to be continually purged while the heat pump is in normal operation. No more costly call-backs from customers with low loop pressures and air cavitation. Easily check loop temperatures or antifreeze concentration by simply removing the cap, giving access to the loop fluid. Fast and flexible installation makes this unit a "must have" for the geothermal loop installer.