
R290 All in One Air Source Heat Pump Water Heater 200L. High Energy Efficiency: A++ energy efficiency class saves 70%-80% heating cost compared to electric heaters. Eco-Friendly R290 Refrigerant: Uses R290 refrigerant with low GWP=3, protecting the ozoneosphere and environment. Smart WiFi Control: Integrated WiFi smart control system for convenient remote operation and monitoring. Durable Enamel Tank: Features a high-quality enamel inner tank for long-lasting durability and corrosion resistance. Advanced Micro-Channel Coil: Utilizes AirValley's micro-channel heat exchanger for superior heat transfer efficiency. Comprehensive Safety Protections: Includes high/low pressure, water flow, antifreeze protection, and auto-defrosting functions. Professional OEM/ODM Support: Experienced R&D team provides customized services and professional technical support.