Suburban SF-25 Installation Instructions

Item Part
No. Description Number
1 Cabinet Front (SF-35/42) ...........................................................................101242
1A Cabinet Front (SF-20/25/30) ......................................................................102316
2 Thermostat .................................................................................................161154
5 Cabinet Assembly (SF-20/25/30) ...............................................................101889
Cabinet Assembly (SF-35) .........................................................................101893
Cabinet Assembly (SF-42) .........................................................................101894
5B Bracket, Mounting (Rear) ...........................................................................063250
5C Bracket, Mounting (Front) ..........................................................................063343
6 Cover, Duct .................................................................................................050733
7 Collar, Duct .................................................................................................050715
9 Manifold Assembly Complete ....................................................................171743
11 Orice, Main Burner (SF-20) ......................................................................180305
Orice, Main Burner (SF-25) ......................................................................180306
Orice, Main Burner (SF-30) ......................................................................180307
Orice, Main Burner (SF-35) ......................................................................180308
Orice, Main Burner (SF-42) ......................................................................180309
12 Gasket, Burner Access Door ......................................................................071263
13 Tinnerman ..................................................................................................121704
14 Plate, Secondary Air (Top-Back Half) (SF20/25/30/42) .............................063198
Plate,Secondary Air (Top-Back Half) (SF-35) ............................................063199
15 Screw 8-18 x 1/2 Stainless.........................................................................121651
16 Plate, Secondary Air (Top-Front Half) (SF-20/25/30/42)............................062933
Plate, Secondary Air (Top-Front Half) (SF-35) ...........................................062936
19 Plate, Secondary Air (Bottom) (SF-20/25/30/42) .......................................062935
Plate, Secondary Air (Bottom) SF-35) .......................................................062938
22 Electrode ....................................................................................................232286
23 Burner Assembly Complete (SF-20) ..........................................................010767
Burner Assembly Complete (SF-25) ..........................................................010762
Burner Assembly Complete (SF-30/35) .....................................................010865
Burner Assembly Complete (SF-42) ..........................................................010799
24 Grommet ....................................................................................................070963
26 Valve ........................................................................................................... 161122
27 Pipe Assembly, Gas Inlet ...........................................................................171574
28 Clamp, Wire ................................................................................................062180
Item Part
No. Description Number
31 Vent Cap and Exhaust Tube Assembly......................................................260231
32 Tube Assembly Intake (Vent) .....................................................................051248
33 Rain Shield .................................................................................................280582
34 Combustion Air Housing Assembly (Front Half) ........................................390852
35 Screw #8-18 x 2 1/4 (4 Required) ..............................................................121929
36 Screw #6-19 x 1/2 (7 Required) .................................................................121928
37 Combustion Air Housing (Rear Half) (SF-20) ............................................390849
Combustion Air Housing (Rear Half) (SF-25/30/35/42) .............................390848
38 Wheel, Combustion Air (SF-20) .................................................................350189
Wheel, Combustion Air (SF-25/30/35) .......................................................350184
Wheel, Combustion Air (SF-42) .................................................................350183
39 Gasket, Firewall (Combustion Air) .............................................................071084
40 Motor Assembly with Gasket (SF-20/25/30) ..............................................232682
Motor Assembly with Gasket (SF-35) ........................................................232684
Motor Assembly with Gasket (SF-42) ........................................................232683
41 Screw # 4-24 X 5/8 (2 Required) ..............................................................121971
42 Blower Assembly (Room Air) Front Half (SF-20, 25, 30. 35) .....................390872
Blower Assembly (Room Air) Front Half (SF-42) .......................................390873
43 Screw #8-18 X 1/2 (4 Required) ................................................................121857
44 Blower Housing (Room Air) Rear Half .......................................................390851
45 Switch, Sail .................................................................................................232261
48 Switch ON/OFF ..........................................................................................232351
49 Bracket, ON/OFF Switch ............................................................................063446
50 Module Board .............................................................................................520820
51 Insulator Cap, Module Board Coil ..............................................................070973
52 Blower Wheel Assy (Room Air) ..................................................................350129
54 Bushing, Universal .....................................................................................070362
56 Bushing, Strain Relief .................................................................................071206
57 Gasket, Firewall (Chamber Side) ...............................................................071262
58 Chamber Assy. Final (SF-20, 25, 30, 35) ..............................................021206BK
Chamber Assy. Final (SF-42) .....................................................................021207
59 Switch, Limit (SF-20) ..................................................................................232503
Switch, Limit (SF-25, 30, 35) ......................................................................232504
Switch, Limit (SF-42) ..................................................................................232505
62 Firewall ....................................................................................................... 110778
REPLACEMENT PARTS LIST
Only factory authorized parts are to be used. Do not attempt to repair defective parts.
When ordering repair parts from your dealer, a Suburban Service Center, or distributor, always give the following information:
1. Part Number (Not Item No.)
2. Part Description
3. Model and Serial Number of furnace
4. Number of Parts Required
11

Suburban SF-25 Specifications

General

Brand	Suburban
Model	SF-25
Category	Furnace
Language	English