
200L Rooftop Pre-Heated Solar Hot Water Heater with Copper Coil for Domestic Hot Water. Copper Coil Heat Exchanger: Provides pressurized hot water from a non-pressurized tank for comfortable bathing. 15-Year Service Life: Food-grade SUS304 stainless steel tank ensures safety and durability for over 15 years. High Thermal Efficiency: 24 vacuum tubes with AL/N/AL coating achieve >93% absorptivity and <8% reflectivity. 5-Year Warranty: Comprehensive warranty coverage for peace of mind and product reliability. Smart Energy Integration: Intelligently connects with gas heaters to maximize solar energy usage. Universal Roof Compatibility: Stainless steel brackets fit flat, sloping, tiled, and metal roof structures. Zero Running Costs: 100% solar energy operation with no maintenance or electricity costs required.