... safely. 4.High efficiency Character:Horizontal structure, Stocky appearance, low boiler room cost.Manual, few accessories, low investment and operating cost.Big ... .More optional model, wide application(1500m2-36000 m2parameter of horizontal hot water boiler modelRated thermal power(MW)Heat area M2External dimension(L*W ... )4.2-0.09-85/60-AII4.2360006130*3680*3760 Hot Water boiler