LUCKY FLAME Electric Water Heater 4500W with True Copper Boiler Model: NTC450 4500W electric water heater with safety ESD system that immediately cuts power when a short circuit is detected. True copper boiler and heater, providing strong durability and high performance. Energy-saving with a 5-star energy efficiency rating, certified by Thai Industrial Standards (TIS). The true copper boiler is 1mm thick, offering enhanced strength and faster heating. The true copper heater is durable and provides better performance. Easy to control with a dial to adjust power as needed. ESD safety system cuts off electrical current within 0.08 seconds when leakage exceeds 8mA. Water temperature detection system with two levels: the first level cuts off at 42-55°C to allow the water to return to a normal temperature, and permanent shutdown at 90°C to prevent accidents. (Requires reset after shutdown.) Flow Switch Control supports low water pressure as low as 20kPa; if lower, it cuts off the operation to extend the product’s lifespan. Certified with Thai Industrial Standard (TIS) and Energy-saving Label 5. 7-year warranty on the boiler and heater coil. Comes with a 5-in-1 high-pressure shower head. [Key Information] Product Type: Electric Water Heater Material: True Copper Boiler (1mm thick) Heater Material: True Copper Body Material: ABS Plastic Safety Systems: ESD [Product Specifications] Warranty: 7 years for Boiler and Heater Coil Power Rating (W): 4500 Voltage (V): 220 Recommended Circuit Breaker and Wire Size (A): 30 Supported Water Pressure (kPa): 20-350 Width (mm): 200 Depth (mm): 86 Height (mm): 360 Weight (kg): 1.5