1. Heat pump, air source, water heater 2. Restaurant,hotel, villas, etc. 3.high efficiency, enviroment friendly 4.R407C,R134a RWC series air source heat pump water heaterBrief introductionAir ... , produce heat up to 1120kW; automatic control, need no person to take care of .4. World famous heat pump compressor;5. Suitable Places: hot water supply ...