Safety Eco-air source heat pumps from Guangdong Xingfeng Refrigerationn Equipment 1. Safety: water is set a good place to totally isolated from the electric,free of fear to be shocked by power. 2.High efficiency:for Hot water(up to 55 degree or more) can be supplied directly&constantly 3. Smart for life: Intelligent chips in mechanism with touch screen display.Trouble shoot on display board automatically 4. Japan and German brand compressor,4-way valve,motor,PCB,corrosion resistant heat Ex changer Emerson controllers  5.Multiple protection function:High pressure,low pressure,overheating,overload anti-freezing,phase sequence, discharge temperature,suction temperature and so on.All weather operation: stable operation without being  influenced by weather. 6.Safety case protectors and stainless steel case are available. 7.Green to environment:Refrigerant of R 22  R 407 C ,R 410 a, R 417 A, R 134 A are for optional. 8. Lasting long life ensured:Automatically defrosting function included.