... Source Heat Pump 1.High Efficiency COP 6.0 2.Water to Water Heat Pump 3.R407C Avaliable 4.CE Certificate Flooded ... exchange tubes of 1.3. times. It Can take ground water, surface water (rivers, lakes, sea) and soil as air conditioning heating or ... and low pressure exhaust temperature monitor and control access to water, water, antifreeze, water temperature and other multi-protection, to ensure the safe ...