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ELECTRICAL CONNECTIONS
WARNING: Follow the electrical code requirements of the local authority having
jurisdiction. In the absence of such requirements, follow the latest edition of the
National Electrical Code ANSI/NFPA 70 in the U.S. or the latest edition of CSA
C22.1 Canadian Electrical Code, Part 1, in Canada.
CAUTION: When servicing or replacing parts within the T-K3/T-K3-Pro, label all wires prior
to disconnection to facilitate an easy and error-free reconnection. Wiring errors can cause
improper and dangerous operation. Verify proper operation after servicing.
1. The heater must be electrically grounded. Do not attach the ground wire to either the gas
or the water piping.
2. The Flash T-K3/T-K3-Pro water heater requires AC 120V 60 Hz electrical power supply
that is properly grounded.
• A proper disconnect (i.e. on/off switch, power plug, etc.) controlling the main power to
the T-K3/T-K3-Pro must be provided for service reasons. (Must comply with local
codes).
• Connect the power supply to the T-K3/T-K3-Pro exactly as shown in the wiring
diagram;
3. A green screw is provided in the junction box to ground the connection.
4. Can be hardwired or wired to a plug-in.
5. The use of a surge protector is recommended in order to protect the unit from power
surges.
Connect Power supply
AC120V 60Hz
Ground
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