Pool heater Model:BP-210HS-B Heating capacity:21kw Cooling capacity:16.5kw Power input:4.5kw Current:7.9*3A Power supply:380V/3P/50Hz Compressor style:scroll Heat exchanger:Titanium in PVC Water Flow Volume:8m3/h Water connection:50mm Fan input:200W Fan rotate speed:850RPM Fan direction:vertical Noise:60dB(A) Carton size:795x740x1000mm Net/Gross Weight:128/138kgs