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Find Replacement BBQ Parts for 20,308 Models. Repair your BBQ today.
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BF39ST, BF39DX, BF45ST, BF45DX
If the fireplace was operating prior to servicing allow at least 10 minutes for light bulbs
and heating elements to cool off to avoid accidental burning of skin.
Disconnect circuit power before attempting any maintenance or cleaning to reduce the
risk of electric shock or damage to persons.
TO REPLACE TEMPERATURE LIMIT SWITCH
(UNIT IS PERMENANTLY INSTALLED IN WALL)
1. Remove the log grate retaining screws and remove the log grate.
2. Pull the rear edge of the log set forward by grasping the ember bed by the sides
(handle the log set only by the ember bed and not the logs) and pulling firmly until
the rear tab pops out from under the back ledge, then lift out.
3. Release the steel curtains from the side panels by opening the retainers on the sides
of the fireplace using needle nose pliers.
4. Remove the steel curtains by lifting up on the curtain mounting rod releasing it from
the side mounting tab, and pulling out.
5. Remove the heater cover mounting screws from inside the firebox and remove the
heater cover by lifting it up from the back, bowing it slightly in the center and pulling
out by one end.
6. Remove the (3) heater assembly mounting screws from the top panel and lower
heater assembly.
7. Remove temperature limit switch screw from heater bracket assembly and
disconnect the (1) temperature limit switch wire from heater element.
8. Cut and strip the (1) other temperature limit switch wire end with wire cutters closest
to blower motor allowing enough room to cut, strip and reconnect wiring.
9. Properly orientate the new temperature limit switch and secure to heater bracket
assembly.
10. Connect the (1) wire connection to the heating element.
11. Cut and strip the remaining temperature limit switch wire and wire connect, with wire
connector, to the other stripped cutout wire.
12. Reassemble in the reverse order as above.
NOTE: To reconnect temperature limit switch, cut and strip the long end of the cutout
wire, and wire connect to existing cutout wire closest to blower motor.
WARNING: Ensure wires do not come in contact with moving parts by securing wires in
tie wraps.