FIELD: heat exchange.
SUBSTANCE: invention can be used in outdoor boilers. Hot-water boiler of external arrangement contains heat and moisture-proof body (1) with heat exchanger (3) with heat exchanger direct and reverse lines (3), (4), burner (6) device and channels of air supply and smoke removal located in it. Heat and moisture-proof housing (1) is made sound-insulating with a bearing power frame, which allows placing it on the surface of vertical walls of buildings. Channels of air supply and smoke removal are equipped with shutoff valves. Boiler is equipped with unit (9) for automatic replenishment of heat carrier level.
EFFECT: technical result consists in reduction of noise level and in improvement of service automation.
3 cl, 1 dwg
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