Bosch Electric Tankless Water Heater - Eliminate Time for Hot Water - Easy Installation CONVENIENT TANKLESS HOT WATER HEATER: 12 kW output tankless electric water heater eliminates long waits for hot water at point-of-use EASY INSTALLATION: Easily install under any bathroom or kitchen sink and get on demand hot water at your every need TEMPERATURE CONTROLED: Features thermostatic control for easy temperature output adjustments to match your preference IMPORTANT INFORMATION: Unit is only designed to operate on 240-Volt. Dimensions : 12.75 x 6.5 x 3 Inches GREAT EFFICIENCY: 98% efficient with minimal stand-by loss. Water pressure range of 10-150 PSI