HARDY MANUFACTURING CO., INC (MODEL H25) PAGE 8
Section II 2-5 Connection of Power to Heater
This unit must be wired by a qualified electrician
in accordance with the National Electrical Code.
1. The #12/2 W/G UF wire is run from the electrical system in the house through the
4” watertight pipe or other insulation means to the heater.
2. This wire will connect to the Ground Fault Circuit Interrupter (GFCI) on the back of
the heater.
3. Install a Romex Connector in the bottom of the electrical makeup box, and insert
Romex wire through this connector.
4. Connect the black wire to the brass screw on the line side of the GFCI receptacle.
5. Connect the white wire to the silver screw on the line side of the GFCI receptacle.
6. Connect the bare copper wire to the green screw on the GFCI receptacle.
7. After the wiring is complete check the receptacle with a circuit tester to determine if
the polarity is correct, and to make sure the ground is connected. Press the test
button on the GFCI receptacle the reset button should pop out indicating the
interrupter is operating correctly. Push the reset button back to restore the GFCI
receptacle to normal operation. This test should be done monthly to insure safe
operation of the heater.
8. If moisture is allowed into Ground Fault Circuit Interrupter box, it will have a
tendency to trip unwarranted. Measures should be taken to keep the box dry.
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