SECTION 15: R
EPLACEMENT
P
ARTS
41 of 51
15.2 Burner Compartment
15.2.1 Burner Injectors
Remo
v
e flexi
b
le
air duct from spigot
Remo
v
e
access plate
Remo
v
e screws and
pull off
b
urner
compartment co
v
er
V
iewing port
for flame pro
b
e
V
iewing port
for ignition electrode
Flame Pro
b
e
Burner
Compartment
Co
v
er
Ru
bb
er Seal
Ignition Electrode
The b
u
rner compartment is
a sealed compartment.
Follo
w
ing any
w
ork,
re-seal the compartment
w
ith the gas pipe r
u
bber
seal f
u
lly in place and all
scre
w
s fitted and tight.
NOTE:
Flexible d
u
ct only applies
for model UHAS.
MODEL
UHA[X][S]
150
UHA[X][S]
175
UHA[X][S]
200
UHA[X][S]
225
UHA[X][S]
250
UHA[X][S]
300
UHA[X][S]
350
UHA[X][S]
400
Orifice Q
u
antity
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
Ens
u
re gas tight fitting of injectors.
Ens
u
re correct alignment
w
ith b
u
rners.
Ens
u
re all pipe joints are gas tight.