heat pump water tank: capacity:80-500L stainless steel inner tank max. pressure:8 Bar warranty:3 years for inner tank heat pump water tank: Capacity: 80,100,150,200,250,300,400,500LVoltage/Frequency:220-240V~/50HzMax.Pressure:6 Barstainless steel inner tankHigh efficiency copper heating elementOuter jackets thickness:1mmMagnesium anodeVertical mounting heat pump water tank