Installation & Operating Guide

Dimensions
M
ODEL SE-70 to SE-245
2
Sentinel
SE-70 3 11
1
⁄8"17
5
⁄8"449
3
⁄4"5
5
⁄8"6
1
⁄4" 250
SE-105 4 14
1
⁄8"20
5
⁄8"551
1
⁄4"7
1
⁄8"6
1
⁄4" 310
SE-140 5 17
1
⁄8"23
5
⁄8"551
3
⁄4"8
5
⁄8"6
1
⁄4" 365
SE-175 620
1
⁄8" 26
5
⁄8" 651
3
⁄4" 10
1
⁄8" 6
1
⁄4" 425
SE-210 7 23
1
⁄8"29
5
⁄8"753
3
⁄4"11
5
⁄8"6
3
⁄4" 485
SE-245 8 26
1
⁄8"32
5
⁄8"753
3
⁄4"13
1
⁄8"6
3
⁄4" 545
Boiler
Model
Gas
Type
2000 3000 4000 5000 6000 7000 8000 9000 10000
Orifice
Size for
Sea
Level
Orifice Sizes for High Altitudes
Includes 4% Reduction for Each 1000 Feet
Elevation - Feet
No. of
Sect.
Dimensions
(Inches)
ABCDEG
Appr
ox.
Total Wt.
Full of
W
ater (lb.)
Natural 47 48 48 49 49 49 50 50 51 51
Propane 56 56 56 57 57 57 58 59 59 60
CHIMNEY RECOMMENDATIONS
HEIGHT:15 ft. (minimum) from draft hood skirt
to top of chimne
y.
INSIDE DIAMETER: Same as dimension C
(or larger).
NOTE: Larger chimney may be required if two
or more boilers or a boiler and another appli-
ance are v
ented to a single chimney.
Orifice indicated for sea level above are factory installed in boiler unless otherwise specified by the local authority.
See “III” on page 9 for burner input adjustment.