Air source swimming pool heat pump High efficiency,High COP CE,EN14511,CCC,ISO,GMC Titanium heat exchanger heat pool or saun Air source swimming pool heat pump MDY20DIt is a small mode pool water heater, it can heat a indoor pool which size is about 10-20m3, Titanium material heat exchanger is anticorrosive of cl-.MDY20DRated input power:1.7kwRated capacity:6kwWater flow:1000L/HRated voltage: ...