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Brookhaven Direct Vent Gas Fireplace
22
10009459
Fuel Conversion Instructions
To convert the 20DVT unit for use with a different
gas follow these instructions. Before proceeding, turn
control knob on valve to “OFF” and turn gas supply
OFF. Turn OFF any electricity that may be going to the
appliance.
CAUTION: Logs may be HOT! Allow to cool before
proceeding.
1. Remove window frame assembly. (Refer to “Window
Frame Assembly Removal”, Page 17, Fig. 30)
2. Remove logs if previously installed.
NOVA SIT820 Valve Conversion
1. Using the TORX T20 bit, remove and discard the
three (3) pressure regulator mounting screws (A),
pressure regulator tower (B) and the spring and
diaphragm assembly (C). (Fig. 37)
Conversions must be completed by qualified personnel
FC107
SIT820
valve conversion
10/03
A
B
C
O
F
F
P
I
L
O
T
O
Fig. 37 Remove mounting screws, pressure regulator tower
and spring and diaphragm assembly.
FC107
D
E
F
FC108
SIT
regulator
conversion
10/03
O
F
F
P
I
L
O
T
O
FC108
Fig. 38 Replace regulator.
Burner Orifice Conversion
1. Remove two (2) burner housing assembly mounting
screws. (Fig. 39)
2. Lift burner housing up and remove burner orifice
from manifold assembly using 7/16” wrench. (Fig.
39)
2. Insure the rubber gasket (D) is properly positioned
and install the new HI/LO pressure regulator assem-
bly to the valve using the new screws (E) supplied
with the kit. Tighten the screws securely. (Ref. torque
= 25 in/lb) (Fig. 38)
3. Install the enclosed conversion label (F) to the valve
body where it can easily be seen. (Fig. 38)
Valve conversion is complete.
Pilot Location
Burner Orifice
(Refer to Conversion Kit
Orifice chart)
Burner Housing Assembly
FP1630
Fig. 39 Burner housing assembly.
3. Install conversion orifices in place of orifices just
removed.
4. Air shutter settings should be:
Natural Gas: sides and bottom half open
LP: Side and bottom half open
5. Reinstall manifold to burner pan.
NOTE: It is not necessary to remove the pilot tube
for conversion.
Burner Hous-
ing Mounting
Screw