
The outputs were obtained burning smokeless fuel over a four hourly re-fuelling cycle. CHIMNEY In order for the appliance to perform satisfactorily the chimney height must not be less than 4 metres measured vertically from the outlet of the stove to the top of the chimney. The chimney should preferably be 175 mm (7 inches) or 200mm (8 inches) internal diameter or square with sides of 175mm or 200mm internally and must not be less than 150 mm (6 inches) internal diameter or 150 x 150mm internal s