air source heat pump,MD30D heat pump,meeting heat pumps 1.100% original and brand new 2. ... strong quality,long life,best price air source heat pump,MD30D heat pump,meeting heat pumps MODELUnitMD30DRated heating capacityKW12Hot water supplyL/h260Average ... heat exchangerWater flowL/H3000L/hWater pressure downKpa40Pipe sizeDN25 China heat pump company