PARTS LIST
SENTINEL
CAST-IRON GAS BOILERS
Hot Water Models
“SE” MODELS
ITEM
MODEL NUMBER
NO. DESCRIPTION
SE-70
SE-105
SE-140
SE-175
SE-210
SE-245
1A
Jacket Top Panel
460134
460135
460136
460139
460140
160141
1B
Jacket Panel Right Side
460178
460178
460178
460178
460178
460178
1C
Jacket Panel Left Side
440874
440874
440874
440874
440874
440874
1D
Jacket Back Panel
440883
440884
440885
440886
440887
440888
1E
Jacket Front Lower
440877
440878
440879
440880
440881
460163
1F
Jacket Front Upper
440869
440870
440871
440872
440873
460162
2
Gas Manifold
440502
440503
440504
440505
440506
440507
3
Main Burner Orifice:
(sea level)
Natural Gas
440550
440550
440550
440550
440550
440550
LP Propane Gas
411870
411870
411870
411870
411870
411870
4
Main Burner
440539
440539
440539
440539
440539
440539
4A
Main Burner w/Bkt.
440540
440540
440540
440540
440540
440540
5
Thermocouple *
410539
410539
410539
410539
410539
410539
6
Gas Valve: *
Natural Gas
460510
460510
460510
460550
460550
460550
LP Propane Gas
460511
460511
460511
460511
460511
460511
7A
Pilot Tube 1/4" O.D. Alum.
410530
410530
410530
410530
410530
410530
Tubing Fitting 1/4"
411768
411768
411768
411768
411768
411768
7B
Pilot Assembly: *
Natural Gas
411805
411805
411805
411805
411805
411805
LP Propane Gas
412417
412417
412417
412417
412417
412417
7C
Pilot Orifice:
Natural Gas
410542
410542
410542
410542
410542
410542
LP Propane Gas
410526
410526
410526
410526
410526
410526
7D
Access Door
440028
440029
440030
440031
440032
440026
8
Base Assembly
with Insulation
440223
440224
440225
440227
440228
440229
8A
Bottom Burner Mtg. Plate
440112
440113
440114
440115
440116
440110
9
Heat Exchanger Assembly
440007
440008
440009
440010
440011
440012
10
Pipe Nipple 3/4"
460514
460514
460514
902518011 902518011
902518011
11
Relief Valve 30 PSI
400103
400103
400103
400103
400103
400103
12
Blank Plug 3/4"
902340051
902340051
902340051
902340051 902340051
902340051
13
Immersion Well
410569
410569
410569
410569
410569
410569
14
Machine Screw
930063171
930063171
930063171
930063171 930063171
930063171
15
Nut
902702011
902702011
902702011
902702011 902702011
902702011
16
Flue Collector Assembly
460333
460334
460335
460336
460332
460339
17
Draft Hood
460540
460541
460541
460538
460539
460539
18
Temperature/Pressure Gauge
910373061
910373061
910373061
910373061 910373061
910373061
19
Circulator
7902022
7902022
7902022
7902022
7902022
7902022
20
Control, Comb. Limit/Circulator
410538
410538
410538
410538
410538
410538
21
Drain Valve
910460011
910460011
910460011
910460011 910460011
910460011
22
Stud
430107
430107
430107
430107
430107
430107
23
Hex Nut
440600
440600
440600
440600
440600
440600
24
Gasket, Circulator Flange
440562
440562
440562
440562
440562
440562
25
Fiberglass Rope
403254
403254
403254
403254
403254
403254
26
Roll Out Safety Switch
411883
460546
460547
460548
460548
460549
27
Blocked Vent Safety Switch
460535
460535
460535
460535
460535
460535
28
Vent Damper
412704
412705
412705
412706
412707
412707
* Standing pilot only. For intermittent ignition, see IID parts list, page 2.
PUBLICATION NO. SE-10PL
Printed in U.S.A. 905
Part No. 46-0561
When ordering replacement parts,
specify the boiler model number, serial number
and gas by name (natural or propane). For
replacement parts, heating contractors should
contact their Slant/Fin boiler distributor.
