FIELD: water heating appliances. SUBSTANCE: chamber is designed to organize pulsating combustion of gaseous and liquid fuels in liquid heaters of various capacities. Its aerodynamic valve is shaped as expanding channel with adjustable sectional area formed by combustion chamber bottom with hole and solid object. Proposed liquid heater operates steadily and reliably in comprehensive range of adjustable heat loads. EFFECT: improved efficiency and environmental friendliness. 2 cl, 2 dwg
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