Stainless steel buffer tanks 100L OSO HOTWATER has functions of hydraulic coupling and hydraulic balancing of the entire central heating system with heat pump. Protection of the required minimum flow rate in the central heating system with heat pump protection against the so-called clocking of the heat pump. Securing the heat pump with the necessary amount of heat needed for defrost mode. Cool storage function in the case of heating-cooling heat pumps (if the heat pump in the summer period goes into the DHW tank heating mode, cooling can be simultaneously carried out by unloading it). NANOPUR insulation - leading in its class. Installation very easy standing or hanging thanks to the included brackets.