| 摘要 |
The contact-surface water heater has body with water collector, combustion chamber installed in horizontal position, equipped with burner unit, connected to the systems of gas and air supply, branch pipe for discharge of combustion products, explosive valve, contact chamber placed over the combustion chamber, with water distributor, branch pipe for water supply, branch pipe for water discharge and draining. The contact chamber is arranged as horizontal channel closed from above, with openings at the side walls for water flow, under it water distribution unit is placed..
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