ThermoMate 18kW 240 Volt Electric Tankless Water Heater, Reliable Hot Water for Home, Shop, Cabins

Enjoy instant, endless hot water whenever you need it with the ThermoMate 18kW Electric Tankless Water Heater. This on-demand system delivers hot water in just 3 seconds, no waiting, no running out, and no cold surprises. Designed for comfort and efficiency, it automatically adjusts energy use to match your flow and temperature needs, keeping water steady within 1°F. <p> With 99% heating efficiency and self-modulating technology, this unit heats only the water you use, saving up to 60% on water heating costs compared to traditional tank systems. Its compact, wall-mounted design fits neatly in bathrooms, kitchens, or laundry rooms, perfect for apartments or homes with limited space. </p><p> Built with corrosion-resistant alloy housing and separated heating elements to reduce scale buildup, ThermoMate ensures long-lasting performance with low maintenance. ETL certified for safety with overheating, leakage, and dry-heat protection, this unit delivers both comfort and confidence every day.</p>

• 【Instant Unlimited Hot Water】Delivers hot water in just 3 seconds with no waiting, no running out, and no cold surprises during showers.
• 【Energy-Saving Smart System】Self-modulating technology with 99% efficiency heats only the water you use, saving up to 60% on water heating costs.
• 【Compact & Space-Saving Design】Wall-mounted, tank-free structure fits tight areas such as bathrooms, kitchens, or laundry rooms, freeing valuable floor space.
• 【Durable & Low Maintenance】Corrosion-resistant alloy housing and separated heating element reduce scale buildup for long-lasting performance.
• 【Safe & Reliable】ETL certified with overheating, dry-heat, and leakage protection.
• NOTE - Make sure this water heater is the correct size for your hot water need: 18kW 208 ~ 240V (adjustable) draw max 76amp; Required breaker 2 x Double-POLE 40AMP; Wire gauge 2 x 8AWG;
• Unit size: 17.12" x 13.12" x 3.12";
• Water connection: 3/4" NPT;
• Maximum Pressure: 150 Pound per Square Inch;
• Flow Rate: 4.4GPM.