FIELD: heat supply to residential and industrial buildings. SUBSTANCE: boiler house is provided with ejector 18 whose admission piping is connected to make-up tank 11 and delivery piping, to inlet of circulating pump 6; working fluid piping is connected to circulating pump outlet. Under normal conditions, coolant is fed from tank 11 directly to pump 6 and is pumped by the latter through heat generator 1 and further goes to user; when heat is supplied to high-pressure-drop equipment, coolant is fed to pump 6 by means of ejector 18. EFFECT: improved pressure of coolant supplied to users. 1 dwg
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