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