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2
Dimensions
MODEL SE-70 to SE-245
C
G
279 mm
(11")
1-1/2" FPT
Supply
552 mm (21-3/4")
419 mm
(16-1/2")
Left End View
Note: Height dimension increases by 44 mm (1 3/4") when combustible floor kit is used.
* Vent damper may be installed horizontally on all models with use of a vent elbow. For more information, see Figure 2, page 5.
CHIMNEY RECOMMENDATIONS
HEIGHT: 4.6 m (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.
Boiler
No. of
A
Model
Sect.
mm
SE 70
3
283
11
SE 105
4
359
14
SE 140
5
435
17
SE 175
6
511
20
SE 210
7
587
23
SE 245
8
664
26
Orifice Sizes for High Altitudes
Orifice
Size for
Gas
Sea
610m – 1220m
Type
Level
(2000' – 4000')
Natural
47
Propane
56
Orifice indicated for sea level above are factory installed in
boiler unless otherwise specified by the local authority. See
Section "III" on page 15 for burner input adjustment.
3/4"
to air eliminating
system (by others)
Supply Piping
D
(by others)
Pressure/Temp
. Gauge
3/4" Drain
Rollout Safety Switch
(behind front panel)
Dimensions
B
C
in.
mm
in.
mm
in.
1
/
448
17
5
/
102
4
8
8
1
/
524
20
5
/
127
5
8
8
1
/
600
23
5
/
127
5
8
8
1
/
676
26
5
/
152
6
8
8
1
/
752
29
5
/
178
7
8
8
1
/
829
32
5
/
178
7
8
8
Reduce output 10%
Elevation – Meters (Feet)
1220m – 1372m
(4000' – 4500')
48
49
57
56
Vent Damper*
E
(shown vertically)
Blocked Vent
Safety Switch
1-1/2"
FPT
3
Return
722 mm
Circulator:
(28-7/16")
1-1/4" Circ. Flange
1-1/2" Return
76 mm
(3")
Combination
Gas Valve
[gas tapping
Front View
D
E
mm
in.
mm
in.
1289
50
3
/
143
5
5
/
4
8
1311
51
5
/
181
7
1
/
8
8
1311
51
5
/
219
8
5
/
8
8
1356
53
3
/
257
10
1
/
8
8
1376
54
3
/
295
11
5
/
16
8
1376
54
3
/
333
13
1
/
16
8
Vent Damper*
(shown horizontally
276 mm
(10-7/8")
High Limit
Control
Ignition
Control
Tapping
397 mm
Sediment Trap
(15-5/8")
502 mm
(19-3/4")
1/2"]
Right End View
Approx.
Total Wt.
Full of Water
G
mm
in.
kg
lb
152
6
113
250
152
6
141
310
152
6
166
365
165
6
1
/
193
425
2
179
7
1
/
220
485
16
179
7
1
/
247
545
16
Sentinel
)
Install manual gas main
shutoff valve 1524 mm
(5 ft.) above floor, when
required by local code.
Install sediment trap
and connect with
ground joint union.
Dotted piping by
installing contractor.
324 mm (12-3/4")
(required)
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