Nozzle: 3x2.0mm High,medium,and low flame. Low noise,low noise,low electrial power consumption. Oil Boiler Burner RP3507 Oil Boiler Burner RP3507SpecificationOil Consumption 9.5-18kg/hOutput Heat112-154kwOutput Heat 96,320-132,440KCalOutput Heat 382,144-525,448TU/hPower Consumption 0.37kwNozzle3×2.0mmTube Diameter110mmFlange Diameter170mmPower Supply220or110/50or60V/Hz/PhAir Pressure1.2-2.0barNet ...