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RDV4136 Series Direct Vent Gas Fireplace
10010618
Conversions must be completed by qualified personnel
Fuel Conversion Instructions
To convert the RDV4136 units 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 valve access panel to gain access to valve.
Remove window frame assembly. (See “Window
Frame Assembly Removal”, Page 21, Fig. 38)
2. Remove logs if previously installed.
SkyTech Valve
1. Remove rubber cap from valve. (Fig. 49)
2. Push pin in and turn so line on the end of the pin
lines up with the appropriate gas. NAT for natural
gas and LP for propane.
3. Replace cap.
4. Remove minimum rate screw and replace with new
minimum rate screw supplied in kit. Refer to Table 1
on Page 32.
Inlet
PILOT
Pilot Adj.
Outlet
MAIN
FP1769
AF4000 valve face
2/07
Main Connection
Rubber Cap
Gas Type
Marker
FP1769a CO137
Minimum
Rate Screw
Fig. 49 Remove rubber cap and adjust gas type marker.
NOVA SIT820 Valve
1. Using the TORX
T20 bit, remove and
discard the three
(3) pressure regula-
tor mounting screws
(A), pressure regula-
tor tower (B) and the
spring and diaphragm
assembly (C). (Fig.
50)
2. Insure the rubber
gasket (D) is properly
positioned and install
the new HI/LO pres-
sure regulator assem-
bly to the valve using
the new screws (E)
supplied with the kit.
FC107
SIT820
valve conversion
10/03
A
B
C
O
F
F
P
I
L
O
T
O
N
FC107
Fig. 50 Remove mounting
screws, pressure regulator
tower and spring and dia-
phragm assembly.
Tighten the screws securely. (Ref. torque = 25 in/lb)
(Fig. 51)
3. Install the enclosed conversion label (F) to the valve
body where it can easily be seen. (Fig. 51)
Valve conversion is complete.
D
E
F
FC108
SIT
regulator
conversion
10/03
O
F
F
P
I
L
O
T
O
N
FC108
Fig. 51 Replace ignitor.
Burner Orifice Conversion
1. Remove two (2) burner screws. (Fig. 52)
2. Remove burner housing assembly. (Fig. 52)
3. Remove burner orifice from manifold assembly using
7/16” wrench. (Fig. 52)
4. Install conversion orifices in place of orifices just
removed.
5. Remove air shutters from burner pan by removing
shutter retaining screw then air shutter. (Fig. 52)
6. Replace air shutter.
Natural Gas: Hole on top of mixing tube set at 1/4
open. (Fig. 53)
Propane Gas: Remove air shutter and discard.
7. Reinstall burner housing assembly and front burner
tube.
Rear Log Support
Pilot
Location
Remove
Screws
Air Shutter
Orifice
FP1850
Fig. 52 RDV4136 burner assembly.