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Application filed by Володимир Кіндратович Войтович, Владимир Кондратьевич ВойтовичfiledCriticalВолодимир Кіндратович Войтович
Priority to UA97052058ApriorityCriticalpatent/UA43779A/en
Publication of UA43779ApublicationCriticalpatent/UA43779A/en
The water boiler has smooth convection surface of heat sink, this is separated from radiation surface of the furnace and completely moved out to water jacket of the boiler. Dimension of the taken out convection surface of heat exchange exceeds 1.7-2 times the radiation surface of the furnace. The gas duct is placed at the side surface of the boiler and is formed by connected in sequence sections, the last of those ones is connected to smoke duct.