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2
Dimensions
MODEL SE-70 to SE-245
Boiler
No. of
Model
Sect.
A
SE-70
3
11
1
⁄
"
8
SE-105
4
14
1
⁄
"
8
SE-140
5
17
1
⁄
"
8
SE-175
6
20
1
⁄
"
8
SE-210
7
23
⁄
"
1
8
SE-245
8
26
1
⁄
"
8
Orifice
Size for
Gas
Sea
2000
Type
Level
Natural
47
48
Propane
56
56
Orifice indicated for sea level above are factory installed in boiler unless otherwise specified by the local authority.
See on page 15 for burner input adjustment.
Dimensions
(Inches)
B
C
D
17
5
⁄
"
4
49
3
⁄
"
8
4
20
5
⁄
"
5
51
1
⁄
"
8
4
23
5
⁄
"
5
51
3
⁄
"
8
4
26
5
⁄
"
6
51
3
⁄
"
10
8
4
29
⁄
"
6
53
⁄
"
11
5
3
8
4
32
5
⁄
"
7
53
3
⁄
"
13
8
4
Orifice Sizes for High Altitudes
Includes 4% Reduction for Each 1000 Feet
Elevation - Feet
3000
4000
5000
48
49
49
56
57
57
Approx.
Total Wt.
Full of
E
G
Water (lb.)
5
5
⁄
"
6
1
⁄
"
250
8
4
7
1
⁄
"
6
1
⁄
"
310
8
4
8
5
⁄
"
6
1
⁄
"
365
8
4
1
⁄
"
6
1
⁄
"
425
8
4
⁄
"
6
⁄
"
485
5
1
8
4
1
⁄
"
6
3
⁄
"
545
8
4
6000
7000
8000
49
50
50
57
58
59
CHIMNEY RECOMMENDATIONS
HEIGHT:15 ft. (minimum) from draft hood skirt
to top of chimney.
INSIDE DIAMETER: Same as dimension C
(or larger).
NOTE: Larger chimney may be required if
two or more boilers or a boiler and another
appliance are vented to a single chimney.
9000
10000
51
51
59
60
Sentinel
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