... instead of solar water heater and electric water heater. Compare with the traditional solar water heater, interma air sourcing water heater does not ... the compressor, then it will exchange the heat with the water, and making a much better heating efficency, , it takes ... .3 m³/hWater Pressure Drop17kpaCapacity Of Water Storage23LFan directionSIDE fanAppearance size(L/W/H)660/660/860mmPackaging size(L/W/ ...