| 摘要 |
FIELD: water heating systems and hot water supply systems; individual heating systems. SUBSTANCE: boiler plant includes boiler connected with hot and circulating water lines with expansion tank mounted in upper portion of hot water line, automatic gas burner device, for example TEMP 100 fitted in lower portion of boiler, circulating pumps combined by suction comb and delivery comb and equipped with shut-off valves, pulse tube which is used to connect upper portion of delivery comb of circulating pump with hot water line and ejector with whose help circulating pumps are connected to circulating water line without impairment of slopes and section. EFFECT: enhanced efficiency. 2 cl, 2 dwgv
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