U37 / F38-1 / F38-2
Conversion Kit from NG to LPG Model #680-969
for Ultimate Gas Stove using SIT 820 NOVA Gas Valve
THIS CONVERSION MUST BE DONE BY A QUALIFIED GAS FITTER
IF IN DOUBT DO NOT DO THIS CONVERSION !!
Conversion Kit Contains:
Qty. Part #
1 910-018
1
1
1
1
1
1
910-037
904-390
908-528
918-590
918-031
904-529
Description
SIT Conversion Kit50% Turndown LPG
LPG Injector (Pilot Orifice)
Burner Orifice #52
Red "LPG" label
Label "Converted to LPG"
Instruction Sheet
5/32" Allen Key
7) Unscrew the pilot orifice with the allen
key and replace with the LPG pilot orifice
in the kit.
1) Shut off the gas supply.
2) Open the front door and carefully remove
the logs and lava rock.
3) Remove burner. See diagram below.
8) Remove burner orifice with a 1/2" wrench
and discard. Use a wrench to hold on to
the elbow behind the orifice.
Note: Use a magnetic type screwdriver if
possible.
Burner Orifice
9) Reinstall new burner orifice LPG stamped
#52 and tighten.
10) Reverse steps 3) to 2).
Pilot assembly is now accessible for
steps 4) to 9).
4) Remove and discard the 3 pressure regulator mounting screws (A), pressure
regulator tower (B) and diaphragm (C).
5) Insure that the rubber gasket (D) is properly positioned and install the new HI/LO
pressure regulator assembly to the valve
using the new screws (E) supplied with
the kit. Tighten screws securely.
6) Pull off the pilot cap to expose the pilot
orifice.
918-031
11) Attach the Conversion label "This unit has
been converted to LPG" on top of the
Serial # decal.
12) Replace yellow "NG" label with red "LPG"
label
13) Check for gas leaks.
14) Check inlet and outlet pressures.
15) Check operation of flame control.
Installer Notice:
These instructions must be left
with the appliance.
16) Check for proper flame appearance and
glow on logs.
04/21/06
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