Width: 750mm, weight: 135kg, height: 1800mm, depth: 890mm, for hot water preparation and for hydraulic decoupling of the volume flows of the heat pump and heating circuit, it serves as a system separation tank to extend the heat pump running time and to partially bridge tariff shutdown times, hot water preparation takes place via a stainless steel corrugated pipe heat exchanger in flow operation, optional addition by equipping the connection pieces for another heat generator and screw-in radiator (BGC), thermal insulation WD...SBS as special accessories ensure minimal heat loss cold and hot water connection: G 1 1/4 A