
OEM Factory Solar Electric Water Heater 100L Heating Hot Water Tank/Buffer Tanks. Food Grade SUS304 Material: Inner tank made of high-quality SUS304 stainless steel for safety and durability. Anti-Explosion Diamond Armor: Thickened inner tank with imported enamel glaze resists acid, alkali, and explosion. Up to 3 Years Warranty: Comprehensive tank warranty coverage for up to three years. Multi-Source Compatibility: Suitable for solar, heat pump, gas, and electric water heating systems. High Efficiency Heat Exchange: Outer plate heat exchange structure prevents corrosion and ensures stable operation. Auxiliary Electric Heating: Built-in 3kW electric heater supports heating in severe cold areas. Polyurethane Insulation: 50mm insulation thickness ensures excellent heat retention and energy saving. OEM & ODM Services: Accept all customized design orders for OEM and ODM production.