P. MILLIVOLT BOARD REMOVAL & INSTALLATION. See Figures P-1 - P-3.
REMOVE THE MILLIVOLT BOARD ASSEMBLY:
1. Open the doors and/or lower grill to access the gas valve & controls. NOTE: It is not necessary to remove
the shroud or full door shroud to remove the millivolt board.
2. Turn the black control knob to the ‘OFF” position.
3. Shut off the gas supply at the manual shut off valve.
4. Disconnect gas flex line tube from the manual shut off valve.
5. Model #CSK-335: Disconnect any wall switch, remote control, or thermostat wire from the’TH’ terminals on
the gas valve.
6. Model #CSK-335-RF: Unplug the fan cord from the receptacle, then disconnect the (2) wires from the fan
cord. Note: The wires will remain connected to the back of the gas valve. Refer to wiring diagram, Figure D-
2, page #8.
7. Remove the glass assembly, refer to Figure C-1, page #6. Set aside on a protected surface where it will not
become damaged.
8. Remove the log set and place on a protected surface where they will not become damaged.
9. Loosen and remove the (2) nuts securing the burner assembly. Refer to Figure P-1. Remove the burner
assembly from the insert firebox.
10. Lift up the front edge of the heat shield and slide out of the firebox. Figure P-2.
Figure P-1
Figure P-2
Heat Shield
Burner Assembly
Remove (2) nuts
securing burner assembly
11. Loosen and remove the (6) nuts securing the millivolt board, Figure P-3. Carefully lift the board up and
remove from the firebox.
(6) nuts securing the millivolt board
Figure P-3
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