18kW Tankless Water Heater Electric 240V SIVUATEK, Self-Modulating Power for Optimal Efficiency, On Demand Instant Hot Water for Whole House, LED Display, ETL Certified

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• 【PLEASE NOTE BEFORE PURCHASE】Ensure this 18kW 240V tankless electric water heater meets your hot water demand. Requires 2 x 40-amp circuit breaker. Unit dimensions: 15.87"x11.14"x2.87"; standard 3/4" NPT water connection.
• 【ENERGY-SAVING & EFFICIENT】Eliminate standby energy loss with our electric tankless water heater —no preheating, zero idle power use. Reduce your water heating costs by up to 60% compared to traditional models. Compact and space-saving, it installs flexibly under-sink or on-wall.
• 【INSTANT & POWERFUL HOT WATER】With 18kW of heating power and up to 99% thermal efficiency, this unit delivers endless hot water instantly—perfect for 3–4 simultaneous usage points such as kitchen and bathroom. No more waiting, just steady hot water when you need it.
• 【SMART TEMPERATURE CONTROL】Equipped with an intuitive LED display you can easily set the desired water temperature from 86°F to 131°F in precise 1°F increments. Once set, the system maintains a stable temperature output even with water pressure fluctuations.
• 【SAFE & RELIABLE OPERATION】Built with advanced water-electricity separation technology to prevent scale buildup and extend lifespan. Safety features include leakage protection, overheating protection, and auto shut-off, giving you peace of mind during every use.