Install Instructions
CG i
GAS-FIRED
wATER
BOILER-
sERIEs
a-
Boiler
Manual
12C
Replacement
parts-
base
<cont
inued)
Item
Description
Well-McLain
part
number
Base
assembly
k
it
CG
i-
25
&
CGi-3
381
·
354
-
337
Yrc::ludes
base
pane
ls
items
1.
2.
3,
4.
5. 6
and
CG
i
-4
381
·
354
-
338
CGI
·5
381
·
354
-
339
CGI
-6
381
·
354
·
340
CG
i·7
381
·
354
·
34
1
CG
i·8
381
·
354
-
342
1
Base
side
panel
(in
Base
assembly)
2
Base
front
cross-tie
assembly
(in
Base
assemb
l
y)
3
Base
baok
cross-tie
assembly
(in
Base
assemb
l
y)
4
Burner
shield
(in
Base
assemb
l
y)
5
Base
pan
ang
l
e.
l
eft
si
de
(in
Base
assemb
l
y)
6
Base
pan
ang
l
e.
right
side
(in
Base
assembly)
7
Base
pan
(in
Base
assemb
l
y)
7a
B
ase
pa
n a
ir
baf
fl
e (
in
B
ase
assembly)
Sa
Burner
mounting
p l
ate
CG
i-
25
&
CGi-3
450
-
003·690
CG
i
-4
450
-
003·69
1
CG
i·5
450
-
003·692
CG
i-6
450
-
003·693
CG
i·7
450
-
003·
795
CG
i·8
450
-
003·
796
8b
Rear
spacing
strip
CGi
-
25
&
CGi
·3
550
-
320
· 1
60
CGi
·4
550
-
320
· 1
61
CGi
· 5
550
-
320
· 1
62
CGi
· 6
550
-
320
· 1
63
CGi
· 7
550
-
320
· 1
64
CGi
· 8
550
-
320
· 1
65
Be
Nut,
hex
5mm
Zp
550.320.170
9
Base
i
nsu
l
ation
kit
CGI
-
25
&
CGi-3
381
·
354
-
330
CGI-4
381
·
354
-
33
1
CG
i·5
381
·
354
-
332
CG
i-6
381
·
354
-
333
CGI
·7
381
·
354
-
334
CGI
·8
381
·
354
·
335
10
Boiler
leg
kit
550.320.219
1 1
Manifold
CG
i-
25
&
CGi-3
591
-
126
-
735
CG
i
-4
591
-
126
-
736
CG
i·5
591
-
126
-
737
CG
i-6
591
-
126
-
738
CG
i·7
591
-
126
-
739
CG
i·8
591
-
126
-
740
12
M a
in
b
urn
er o
rifi
ce
- Na
tu
ra
l
gas,
sea
l
eve
l
(see
T
ab
le
2,
page
12 for
o
rifi
ce
s
iz
e)
CGi-25
560-529-090
CGi-3
•
CGi-5
560-529-
1
26
CGi-6
•
CGi-8
560-529-077
M a
in
b
urn
er o
rifi
ce
-
Li
qu e
fi
ed
Pe
tr
ol
eu
m (
Pr
opa
n e)
gas,
sea
l
eve
l
(see
T
ab
le
2,
page
12
fo
r o
rifi
ce
si
z
e)
CGi-25
560-529-084
CGi-3
•
CGi-5
560-529-1
11
CGi-6
•
CGi-8
560-529-078
13
Burner
512
·
200
-
076
14
Screw.
1
0·32
x
0.38
STP
type
23
hex.
washer
head
slot
562
-
135-710
15
Rollout
thermal
fuse
element
512
-
050
-
230
64
Part
Number
550
-14
2-780/0712