300L Compact Non Pressure Solar Hot Water Heater with Stainless Steel Tank

300L Compact Non Pressure Solar Hot Water Heater with Stainless Steel Tank. 5-Year Warranty Coverage: Comprehensive warranty protection for 5 years on all mechanical components. 15-Year Service Life: Durable SUS304 stainless steel tank designed for over 15 years of safe operation. 300L Large Capacity: Suitable for 6-9 users with 300L storage capacity for household needs. Natural Circulation System: Gravity-driven flow eliminates need for pumps, ensuring 100% solar energy usage. Premium Glass Vacuum Tubes: 20 high borosilicate glass tubes with AL/N/AL coating for >93% absorptivity. Multi-Roof Compatibility: Adjustable stainless steel brackets fit flat, sloping, tiled, and metal roofs. Food Grade Safety Material: SUS304 stainless steel tank is non-toxic, corrosion-resistant, and pollution-free.