WaterFurnace International introduces the HydroZone hydronic tank controller and GeoLink® large flow center. The new HydroZone hydronic tank controller eliminates the need for external control devices when used in conjunction with WaterFurnace GeoTank™. The HydroZone can control and stage Envision NSW, NDW water to water units and Synergy3D products. A sensor built into geothermal storage tanks enables this flexible new module to control water temperature using one of three strategies: outdoor reset (heating only), tank control (manual) or tank control (auto changeover).

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