18.4kw Heat Pump Water Heater 1.10 year's manufacturer 2.Provide OEM service 3.ISO, CCC and CE 4.High COP, 75%Energy-saving Heat Pump Water Heater(Air heat pump)1.10 year's manufacturer2.Provide OEM service3.ISO, CCC and CE4.High COP, 75%Energy-saving5. Automatical high/low pressure protection 6. Service life can reach up to 15 years, Low maintenance cost7. Low noise, Safety, Easy installation, ...