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F37 Regency
®
Rear Flued Room Sealed Freestanding Gas Heater 13
INSTALLATION
CONVERSION KIT #731-968 FROM NG TO LPG
USING SIT 820 NOVA GAS VALVE
THIS CONVERSION MUST BE DONE BY A QUALIFIED GAS FITTER IF IN DOUBT DO NOT DO THIS CONVERSION !!
WARNING!
Do not over tighten the screw.
Recommended to
grip the wrench by the short side.
1) Shut off the gas supply.
2) Remove the louvers (and bay door if it is
installed).
3) Open the fl ush door and remove the
door.
4) Remove the logs and embers (if used).
5) Remove the 2 screws holding the Burner
Assembly to the fi rebox base. Push the
Burner Assembly to the left and lift out.
Remove the 2 screws, push Burner
Assembly to the left and lift out.
7) Unscrew the pilot orifi ce with the allen key;
then replace with the LPG pilot orifi ce and
the pilot cap, provided in the kit.
8) Remove burner orifi ce with a 1/2" wrench.
Use another wrench to hold on to the elbow
behind the orifi ce. Discard orifi ce.
Burner Orifi ce
9) Reinstall new burner orifi ce LPG stamped
#52 and tighten.
10) Turn control knob to the “OFF” position.
Fi
g
.1
11) Remove the black
protection cap by hand
from the hi-low knob
(Fig.1).
Fi
g
.2
14) Flip the screw (Fig. 3).
Fig.4
Fig.3
15) Using the Allen wrench
as shown in Fig.4,
rotate the screw clock-
wise until snug, do not
overtighten.
12) Insert a 5/32” or 4mm
Allen wrench into the
hexagonal key-way of
the screw (Fig. 2), rotate
it counter-clockwise until
it is free and extract it.
13) Check that the screw is clean and if
necessary remove dirt.
Conversion Kit Contains:
Qty. Part # Description
1 904-390 Burner Orifi ce #52
1 904-529 5/32" Allen Key
1 918-590 Label "Converted
to LPG"
1 908-528 Red "LPG" label
1 910-037 LPG Injector
(Pilot Orifi ce)
1 918-484 Instruction Sheet
6) Pull off the pilot cap to expose the pilot
orifi ce.
16) Verify that if the conversion is from NG to
LPG, the screw must be re-assembled with
the red o-ring visible (Fig. 5).
LPG Configuration
Red o-ring visible
Fig.5
17) Re-assemble the black protection cap
(Fig. 6).
Fig. 6
WARNING!
Also check that the pilot and main
burner injectors are appropriate for
the gas type.
19) Attach the label "This unit has been
converted to LPG" near or on the serial
# decal.
20) Replace yellow "NG" label with red "LPG"
label.
21) Check for gas leaks.
22) Check inlet and outlet pressures.
23) Check operation of fl ame control.
24) Check for proper fl ame appearance and
glow on logs.
18) Reverse step 2).