Our compact and variable usable hot water reservoir. The Unit BN is mulitfunctional heatable by its two integrated heat exchangers and the possibilty of using electric screw-in heaters: by the boiler, by sun or electric (also combinable). If the solar register is not required it can be used as big heat exchanger optionally.
Dimensions: BN 200, BN 300, BN 500
Energy efficiency class: C