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THIS CONVERSION MUST BE DONE BY A QUALIFIED GAS FITTER
IF IN DOUBT DO NOT DO THIS CONVERSION !!
NG Conversion Kit 740-950 Contains:
Qty. Part #
Description
1
904-240
Burner Orifi ce #37 (NG)
1
918-034
Decal "Converted to 31.6 mj."
1
918-148
Instruction Sheet
LPG Conversion Kit 740-952 Contains:
Qty. Part #
Description
1
904-390
Burner Orifi ce #52 (LPG)
1
918-149
Decal "Converted to 30.6 mj.
1
918-148
Instruction Sheet
1) Shut off the gas supply.
2) Open the front door. Carefully remove the
logs and lava rock. (Refer to manual for
more detailed instructions.)
3) Remove burner by removing 2 screws, slid-
ing the burner to the left and lift out. See
diagram below.
Note: Use a magnetic type
screwdriver if possible.
4) Remove Rear Log Bracket by removing 2
screws. See diagram below.
Hampton HG35-1 Direct Vent Freestanding Gas Stove
Conversion Kit to Lower Btu Rating
NG - Kit #: 740-950 LPG - Kit # 740-952
5) Unscrew the 2 Rear Log Pins and move to
the front hole position.
6) Reinstall Rear Log Bracket.
7) Remove burner orifi ce with a 1/2" wrench
and discard.
Burner Orifi ce
8) Reinstall new burner orifi ce (NG stamped
#37 or LPG stamped #52) and tighten.
9) Reverse steps 3) and 2).
INSTALLATION
10) Adjust fl ue restrictor setting: To set the
fl ue restriction as indicated in the diagram,
simply loosen the screws and push the
fl ue restrictor plate to the correct position.
Tighten the screws.
Unit
mj
Restrictor Opening
HG35 NG
31.6
A 1-3/4" (45mm)
HG35 LPG
30.6
A 1-3/4" (45mm)
Flue Restrictor setting at
Low Btu for Straight Hori-
zontal Flueing
11) Attach the label "This unit has been con-
verted to..." on top of the Serial # decal over
the higher Btu information.
12) Check for gas leaks.
13) Check inlet and outlet pressures.
14) Check operation of fl ame control. Check
for proper fl ame appearance and glow on
logs.
23
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