18kW Tankless Water Heater Electric, ORBEK 240 Volt On Demand Instant Hot Water Heater. Each unit undergoes strict testing and isETL certified to ensure 100% safety for you and your family. Easy to Install: Orbek 18KW tankless water heater electric requires2 x 240V/40A two-pole breakers and 2 sets of 8 AWG wires to be connected.
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