Instructions / Assembly
12
To Remove Burner(s):
1. Turn off gas and electric to unit. Remove the two (2) screws that 
hold the “blower protective cage” over blower. Remove “blower pro-
tective cage” and set aside to be reassembled later.
2. Disconnect power cable to blower. Disconnect igniter wire to igni-
tion module and pressure tube from tap on plenum top plate.
3. Remove screws (11) in plenum back plate (See Illustration 1). 
Remove back plate. Remove screws (8) in plenum top. Remove 
grommet in plenum top and insert igniter wire through hole. Remove 
plenum top.
4. Disconnect flexible gas line, at gas inlet. Remove two (2) nuts that 
hold manifold assembly. Slide manifold out (evenly) and set aside.
5. Remove four (4) screws from burner to be removed. Slide burner 
out slowly, so that burner chamber refractory is not damaged.
6. Reverse above steps to install new burner. Make sure that all gas 
connections are tight and all screws are reassembled and tightened 
(do not over tighten screws).
To Remove Pilot Assembly:
1. Refer to steps 1 through 4 above.
2. Disconnect pilot tube from gas valve. Remove grommet from side 
of plenum, where pilot tube enters. Carefully push pilot tube through 
hole in plenum wall, holding the other end (closest to the pilot) firmly 
to avoid loosening from pilot.
3. Remove the two (2) screws from pilot assembly. Rotate pilot 
Burner and pilot assembly removal instructions specific to Xtreme models ONLY!
(down and clockwise, then rock back) assembly to remove from 
mounting plate.
4. Reverse above steps to install new pilot assembly. Make sure that 
all gas connections are tight and all screws are reassembled and 
tightened (do not over tighten screws).
Illustration 1 - Burner Removal (See Illustration 1a for a 
detailed view of the plenum area.)
For instructions on burner removal for standard and power assist models refer to page 13.
Maintenance
Illustration 1a - Detailed view of plenum area.
Grommet
Burner
Ignition Wire
Pilot Tube
Plenum
Flexible Gas Line
Manifold Assembly
Pilot Assembly
Burner
Burner
Plenum Back Plate
Plenum Top Plate
Plenum
Blower Protective Cage
Plenum Top Plate 
Grommet
(hidden in this view)










