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Electronic Appliances
Step 4. Dexen Electronic Valves - See Figure
20 and the instructions provided with the kit.
Remove and discard the two pressure regula-
tor mounting screws. Remove the pressure
regulator and diaphragm. Discard all removed
components. Ensure the rubber gasket in-
stalled on the back of the replacement pres-
sure regulator is properly positioned. Install
the new pressure regulator using the new
screws supplied with the kit. Tighten screws
to 25 In. lb. torque.
Note: Natural gas regulators are identified with
a blue dot. Propane regulators have a red dot.
Step 5. See Figure 21 and replace the pilot
orifice as follows: Remove pilot hood assembly
by grasping the hood and pulling the assembly
straight up. Under the hood is the pilot orifice.
With caution and using a magnetic screwdriver,
undo the pilot orifice and remove it from the
assembly. Carefully replace the orifice with the
one provided with the kit. Press the pilot hood
back over the assembly. The orientation should
be aligned as shown in Figure 21 . Exercise
extreme care to prevent damage to or break-
age of the ignitor assembly.
Note: Propane pilot orifices are identified with
a countersink in the head. Natural gas orifices
do not have this countersink. See Figure 21.
Step 6. (Refer to Figure 19 on page 15 )
A. Remove the orifice from the manifold with
a 1/2" deep throat socket. See the following
table for orifice sizes for natural and propane
models . Figure 22 illustrates the orifice. Use
pipe joint compound or Teflon tape on all pipe
fittings before installing (ensure propane re-
sistant compounds are used in propane appli-
cations, do not use pipe joint compounds on
flare fittings).
B. Retrieve the burner and slide the venturi tube
over the orifice. Secure the burner in place with
the clip shown in Figure 19 .
Step 7. Reassemble the remaining compo-
nents by reversing the procedures outlined in
the preceding steps.
Lennox Hearth Products reserves the right to make changes at any time, without notice, in
design, materials, specifications, prices and also to discontinue colors, styles and products.
Consult your local distributor for fireplace code information.
Printed in U.S.A. © 2006 by Lennox Hearth Products
P/N 850,034M REV. C 10/2006
Pilot Stage
Terminal
Ground
(TP)
Gas Outlet
To Burner
Burner Stage
Terminal
Figure 20
ELECTRONIC PILOT
Sensor
Ignitor
PROPANE
Note: If the ignitor is damaged, a replacement
kit is available, order Catalog Number 87L54.
Figure 21
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Pressure-Tap
(Inlet)
HI
LO
Regulator
Pressure-Tap
Mounting Screw
(Manifold)
M
Pilot
Hood
Figure 22
NATURAL
1110 West Taft Avenue • Orange, CA 92865
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Outlet
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