Replacement Parts List
Cast-Iron Hot Water Gas Boilers
Replacement Parts List
ITEM MODEL NUMBER
NO. DESCRIPTION S-34 S-60 S-90 S-120 S-150
1 Jacket Assembly 460342 460343 460344 460345 460346
1A Jacket Top 460157 460003 460004 460005 460006
2 Gas Manifold 440501 440502 440503 440504 440505
3 Main Burner Orifice:
(sea level)
Natural Gas 440550 440551 440551 440551 440551
LP Propane Gas 411870 440553 440553 440553 440553
4 Main Burner 440539 440539 440539 440539 440539
4A Main Burner w/Bkt. 440540 440540 440540 440540 440540
5 Burner Clip 410509 410509 410509 410509 410509
7A Pilot Tube 1/4" O.D. Alum. 410530 410530 410530 410530 410530
Tubing Fitting 1/4" 411768 411768 411768 411768 411768
7D Access Door 440027 440028 440029 440030 440031
8 Base Assembly
with Insulation 440222 440223 440224 440225 440226
8A Bottom Burner Mtg. Plate 440111 440112 440113 440114 440115
9 Heat Exchanger Assembly 440006 440007 440008 440009 440010
10 Pipe Nipple 3/4" 460514 460514 460514 460514 460514
11 Relief Valve 30 psi 400103 400103 400103 400103 400103
12 Blank Plug 3/4" 902340051 902340051 902340051 902340051 902340051
13
Well for Hydrolevel Control w/LWCO
461012 461012 461012 461012 461012
14 Machine Screw 930063171 930063171 930063171 930063171 930063171
15 Nut 902702011 902702011 902702011 902702011 902702011
16 Flue Collector/Diverter Assy. 460312 460313 460314 460315 460316
16A Flue Collector Assembly — — — — —
18 Temperature/Pressure Gauge 910373061 910373061 910373061 910373061 910373061
19 Circulator 7902022 7902022 7902022 7902022 7902022
20
Hydrolevel Hydrostat Control
461010 461010 461010 461010 461010
Model #3200
21 Drain Valve 910460011 910460011 910460011 910460011 910460011
22 Stud 430107 430107 430107 430107 430107
23 Hex Nut 440600 440600 440600 440600 440600
24 Gasket, Circulator Flange 440562 440562 440562 440562 440562
25 Fiberglass Rope 403254 403254 403254 403254 403254
26 Roll Out Safety Switch 411883 440721 440721 460547 460547
27 Blocked Vent Safety Switch 460754 460754 460754 460754 460754
28 Vent Damper 412704 412704 412705 412706 412707
For intermittent ignition, see IID parts list, page 2.
PUBLICATION NO. S-11PL
Printed in U.S.A. 113
Part No. 46-0747
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.
SENTRY
“S” MODELS