FIELD: water heating appliances. SUBSTANCE: longitudinal screens of hot-water boiler are connected to housing jacket by water lines in its roof portion forming system of convective gas flues together with transverse screen located in one vertical transverse plane; adjusting dampers are fitted in upper portion of convective flues which shut off gas flues and connect furnace with exhaust branch pipe at the firing-up period. EFFECT: enhanced reliability. 4 dwg
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Authors
Dates
1995-04-10—Published
1991-12-26—Filed