APUS 18kW Electric Tankless Water Heater

Experience instant hot water with the APUS 18kW electric tankless water heater. This unit supplies up to 4.4 GPM, suitable for 2-3 simultaneous uses like showers, sinks, or laundry, without preheating or a storage tank. Its compact, wall-mounted design (13.7 x 11.42 x 3.54 inches) saves space. Featuring ultra-slim, space-saving, and self-modulating technology, it adjusts power to flow rate, heating water only when needed to reduce energy use. Enhanced safety features include anti-leakage, overheat, and surge protection with separated water-electricity construction. The LED display allows precise temperature control from 86°F to 131°F in 1°F increments, with memory recall for power outages. Professional installation is recommended, requiring 240V, 2 x 40A breakers, and 2 sets of 8 AWG wire.