SV bifacial model
Model with vertical small door with foldaway bifacial covered by two patents. It was designed for separate environments by a wall which if you wish you can to place the fireplace boiler in, or you can put it into the centre of a room with a view of the fire from both sides.
It is available in 3 different levels of power and is equipped for the production of hot water, ceramic glass, a roasting spit, and a chute to hold wood.