SECTION 14: R
EPLACEMENT
P
ARTS
33
14.2 Burner Compartment
14.2.1 Burner Injectors
MODEL
UHD[X][S][R]
150
UHD[X][S][R]
175
UHD[X][S][R]
200
UHD[X][S][R]
225
UHD[X][S][R]
250
UHD[X][S][R]
300
UHD[X][S][R]
350
UHD[X][S][R]
400
Orifice
Quantity
7
8
9
10
11
12
14
14
Natural Gas (G20)
Orifice
Marking
43
43
2.25 mm
2.25 mm
2.25 mm
40
40
40
P/N
91930043
91930043
91930225
91930225
91930225
91930040
91930040
91930040
Propane (G31)
Orifice
Marking
1.35 mm
1.35 mm
54
54
54
1.45 mm
53
53
P/N
91930135
91930135
91930054
91930054
91930054
91930145
91930053
91930053
Remo
v
e flexi
b
le
air d
u
ct from spigot
Remo
v
e
access plate
Remo
v
e scre
w
s and
p
u
ll off
bu
rner
compartment co
v
er
V
ie
w
ing port
for flame pro
b
e
V
ie
w
ing port
for ignition electrode
Flame Pro
b
e
B
u
rner
Compartment
Co
v
er
R
ubb
er Seal
Ignition Electrode
The burner compartment is
a sealed compartment.
Following any work,
re-seal the compartment
with the gas pipe rubber
seal fully in place and all
screws fitted and tight.
NOTE:
Separated combustion
model shown.
Remo
v
e manifold
scre
w
s and p
u
ll
o
u
t manifold
Manifold
Inshot
B
u
rners
Injectors
B
u
rner
Scre
w
s
B
u
rner
v
ent
u
ri
Unscrew
Orfices
Manifold
Marking
Folded
Hem
Ensure gas tight fitting of injectors.
Ensure correct alignment with burners.
Ensure all pipe joints are gas tight.
