Installç Ä?? Complete use of two heat pump systems for DHW (Æ; Hot Sanitary Water ria) with solar system support té BAXI brand rmic. At the same time, the installation. Ä?? The use of two 9 kW single-fan heat pumps Dubal model radiators and radiators as well. m of the Baxi Brand. As shown in the photo, the deposit of in& and other components for the operation of heat pump heating and radiators.