Manual

11
Electrical Specications by Heater Input
Item # kW Max
Amps
Required Breaker Req. Wire Size
BD-18-DWH 18 75 2 x 40A Double Pole 2 x 8/2 AWG with Ground
Power Rates
Item # 240V 220V 208V
BD-18-DWH 18,000 Watts 15,125 Watts 13,520 Watts
Your tankless water heater is now installed and ready to use! Follow the General Operating
Instructions to complete the setup.
Wiring Diagram for BD-18-DWH
Terminal Block in Unit
Unit Requires 10 AWG ground wire - one for each 240V circuit
L1L1
8/2 AWG
8/2 AWG
L2L2
240V 240V
L1 L2 L1 L2