Domestic gas-fired heating appliances with forced

The apparatus is designed for heating residential and non-hazardous industrial premises up to 180 m2 equipped with water heating systems with forced circulation of the coolant, as well as for heating water used for sanitary purposes. It is designed for operation on natural or liquefied gas, with connection to a chimney for removal of combustion products outside the room and intake of combustion air outside the room, equipped with a fan for removal of combustion products, and a multi-level safety system. The hermetically sealed casing of the unit eliminated the need for a separate hermetically sealed combustion chamber and reduced the noise level of the operating pump. Maximum working pressure of the heat carrier is 300 kPa, maximum working pressure of water is 1000 kPa. With automatic electronic ignition of the main burner