Width: 640mm, Weight: 20.5kg, Height: 630mm, With thermal insulation: yes, Depth: 230mm, Module with intermediate heat exchanger for using groundwater as a heat source. The groundwater station can be connected to all brine, water heat pumps with the exception of the large modules. The groundwater station consists of a stainless steel plate heat exchanger with 34 plates (GWS 1) or 60 plates (GWS 2), two 3-way changeover valves as shut-off valves with filling and draining taps and a double-shell housing made of heat-insulating plastic.