Replacement Parts List

SENTINEL
Cast-Iron, Hot Water, Gas Boilers
Replacement Parts List
“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 460141
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 Assembly 412643 412643 412643 412643 412643 412643
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. 109
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.