FIELD: heating systems of living and production spaces. SUBSTANCE: electric heater has cylindrical body with inlet and outlet branch pipes. Hollow cylindrical heating element is positioned inside body. Heating element is provided with auxiliary inlet branch pipe arranged at electric heater end located opposite to inlet branch pipe of body. Grooves made on external surface of electric element make it possible to reduce formation of scale on heating element surface. EFFECT: higher efficiency. 1 dwg
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Authors
Dates
2000-05-27—Published
1998-11-19—Filed