GAS CONTROL ASSEMBLY
1
16
3
7
17
1
8
19
20
21
3
9
3
1
3
2
33
3
4
22
2
3
24
8
9
10
2
3
3
0
3
5
29
4
5
6
4
7
11
1
3
14
12
15
38
25
25
26
27
22
2
8
29
2
8
3
0
S
tationary Model
s
Tiltin
g
Model
s
3
4
Air Blower
Primary
Air Orifice
S
econdary
Air
Orifice
Ga
s
Orifice
I
g
nitor
Burner
Ga
s
Valve
S
hut-Off Valve
40 41
42
(for units built prior to March 2005)