180L Rooftop Compact Low Pressure Solar Hot Water Heater Tank for Domestic Hot Water

180L Rooftop Compact Low Pressure Solar Hot Water Heater Tank for Domestic Hot Water. 180L Large Capacity: Suitable for 3-5 people daily hot water needs with 180L storage volume. 5-Year Warranty: Comprehensive warranty coverage for 5 years on the product. 15-Year Service Life: Durable SUS304 stainless steel tank designed for over 15 years of safe use. Natural Circulation System: Non-pressure design relying on gravity for safe and convenient installation. Premium Vacuum Tubes: 20 high borosilicate glass tubes with AL/N/AL coating and >93% absorptivity. Food Grade Material: Inner tank made of food grade SUS304 stainless steel, safe and non-toxic. Versatile Roof Installation: Suitable for flat, sloping, tiled, and metal roof structures.