Advantages of swimming pool heat pump 1.Durable Using advanced patent titanium heat exchanger,and greatly resist erosion of chlorine ion in water, solid and durable，no harm to human body 2.Energy saving and environmental friendly Using high-technology of heat pump, 65-80% of running cost can save compared with other heating machines (such as the fuel gas boiler, electric boilers, etc).Absolutely no air pollution, environmental friendly. 3.Environmental Protection Using R410A or R32 refrigerants , CO2, zero emissions, no pollution, no waste gas, no waste discharge and green environmental protection. 4.Safety use Hydropower isolated, no leakage, safety. 5.Multi-protect With Water flow switch built-in, automatic defrost, antifreeze protection function. 6.Advanced control and easy operation Micro computer control, LCD display, super power failure memory and timing on/off function, and with remote ON/OFF and mode select control. 7.Working quietly With low noise compressor and fan motor design, unit works quietly. 8.Work environment EVI design product is suitable for-35 ℃ ~ 45 ℃ outdoor ambient temperature. 9.OPTIONAL : horizontal fan direction type or upward fan direction type for option case material optional metal shell and spray coating, 304 stainless steel, ABS plastic housing LCD or LED or Dot-matrix touch screen wire controller for option