| 摘要 |
Thermal syphon pipe (2) is inbuilt in a boiler (1), hence therein is a thermal syphon valve (4) so as to limit the flow of insufficiently warmed water from electroheater (6) from the zone (5) in the top of the boiler (1). Water circulation through the thermal syphon pipe (2), is carried at the temperature from 65-70°C when the thermostat valve (4) is open.
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