A.O. Smith 400 Series Manuel D’Utilisation
2
GB/GW
GB/GW
GB/GW
GB/GW
Item
Qty.
Description
GB/GW
GB/GW
GB/GW
GB/GW
GB/GW
GB/GW
1000
1300
1500
1850
2100
2500
COMBUSTION CHAMBER ASSEMBLY COMPONENTS:
1 .... 1 ... Base/Leg Assembly ............................... 210702 ............... 210702-1 ............ 210702-2 ............ 210702-3 ............ 210702-4 ............. 210702-5
2 .. ( ) .. Blower Assembly, Large ...................... 211096(1) ........... 211096(2) .......... 211096(2) ............ 211096(3) .......... 211096(3) ........... 211096(3)
3 .... 1 ... Blower Assembly, Small ........................ 211097 .................. - - - - ................... - - - - .................... - - - - ................... - - - - .................... - - - -
4 .. ( ) .. Bracket, Gas Manifold .......................... 210780(3) ........... 210780(3) .......... 210780(3) ............ 210780(4) .......... 210780(5) ........... 210780(7)
5 .. ( ) .. Burner, 60mm ....................................... 210757(8) .......... 210757(11) ........ 210757(13) .......... 210757(16) ........ 210757(18) ......... 210757(22)
6 .. ( ) .. Burner Assemby ................................... 211306(2) ........... 211306(2) .......... 211306(2) ............ 211306(3) .......... 211306(3) ........... 211306(3)
2 .. ( ) .. Blower Assembly, Large ...................... 211096(1) ........... 211096(2) .......... 211096(2) ............ 211096(3) .......... 211096(3) ........... 211096(3)
3 .... 1 ... Blower Assembly, Small ........................ 211097 .................. - - - - ................... - - - - .................... - - - - ................... - - - - .................... - - - -
4 .. ( ) .. Bracket, Gas Manifold .......................... 210780(3) ........... 210780(3) .......... 210780(3) ............ 210780(4) .......... 210780(5) ........... 210780(7)
5 .. ( ) .. Burner, 60mm ....................................... 210757(8) .......... 210757(11) ........ 210757(13) .......... 210757(16) ........ 210757(18) ......... 210757(22)
6 .. ( ) .. Burner Assemby ................................... 211306(2) ........... 211306(2) .......... 211306(2) ............ 211306(3) .......... 211306(3) ........... 211306(3)
*7 .. ( ) .. Clamp, Hose ......................................... 211360(2) ........... 211360(2) .......... 211360(2) ............ 211360(3) .......... 211360(3) ........... 211360(3)
8 .... 1 ... Control Panel .......................................... 210740 ............... 210740-1 ............ 210740-2 ............ 210740-3 ............ 210740-4 ............. 210740-5
9 .. ( ) .. Flame Sensor ....................................... 192682(3) ........... 192682(3) .......... 192682(3) ............ 192682(4) .......... 192682(4) ........... 192682(4)
9 .. ( ) .. Flame Sensor ....................................... 192682(3) ........... 192682(3) .......... 192682(3) ............ 192682(4) .......... 192682(4) ........... 192682(4)
10 .... 1 ... Fluebox Assembly .................................. 211290 ............... 211290-1 ............ 211290-1 ............ 211290-2 ............ 211290-2 ............. 211290-3
11 .. ( ) .. Gas Train, 3 Burner - Nat. ................... 211082(2) ........... 211082(1) ............... - - - - .................... - - - - ............... 211082(2) ........... 211082(4)
12 .. ( ) .. Gas Train, 3 Burner - Prop. ............... 211082-1(2) ........ 211082-1(1) ............. - - - - .................... - - - - ............. 211082-1(2) ......... 211082-1(4)
13 .. ( ) .. Gas Train, 4 & 5 Burner - Nat. ............. 211081(1) ........... 211081(2) .......... 211081(3) ............ 211081(4) .......... 211081(3) ........... 211081(3)
14 .. ( ) .. Gas Train, 4 & 5 Burner - Prop. ......... 211081-1(1) ........ 211081-1(2) ....... 211081-1(3) ........ 211081-1(4) ....... 211081-1(3) ......... 211081-1(3)
15 .. ( ) .. Gasket, Blower ..................................... 210775(1) ........... 210775(2) .......... 210775(2) ............ 210775(3) .......... 210775(3) ........... 210775(3)
16 .... 1 ... Gasket, Blower ....................................... 210776 .................. - - - - ................... - - - - .................... - - - - ................... - - - - .................... - - - -
17 .. ( ) .. Gasket, Burner ....................................... 210744 ................ 210744 ............... 210744 ................ 210744 ............... 210744 ................ 210774
18 .... 1 ... Gasket, Divider Insert .............................. - - - - .................. 211363 ............... 211363 ................ 211363 ............... 211363 .................. - - - -
19 .... 2 ... Gasket, Heat Exchanger ........................ 210779 ................ 210779 ............... 210779 ................ 210779 ............... 210779 ................ 210779
20 .. ( ) .. Gasket, Igniter ...................................... 210078(1) ........... 210078(2) .......... 210078(2) ............ 210078(2) .......... 210078(2) ........... 210078(2)
21 .... 2 ... Gasket, Observation Port ...................... 211297 ................ 211297 ............... 211297 ................ 211297 ............... 211297 ................ 211297
22 .... 1 ... Heat Exchgr. Ass'y (GB ONLY) ............. 210731 ............... 210731-1 ............ 210731-2 ............ 210731-3 ............ 210731-4 ............. 210731-5
22A . 1 ... Heat Exchgr. Ass'y Brass(GB ONLY) ... 211494 ............... 211494-1 ............ 211494-2 ............ 211494-3 ............ 211494-4 ............. 211494-5
23 .... 1 ... Heat Exchgr. Ass'y (GW ONLY) ............ 210750 ............... 210750-1 ............ 210750-2 ............ 210750-3 ............ 210750-4 ............. 210750-5
23A . 1 ... Heat Exchgr. Ass'y Brass(GW ONLY) .. 211582 ............... 211582-1 ............ 211582-2 ............ 211582-3 ............ 211582-4 ............. 211582-5
24 .. ( ) .. Igniter .................................................... 192334(1) ........... 192334(2) .......... 192334(2) ............ 192334(2) .......... 192334(2) ........... 192334(2)
25 .... 1 ... Insulation Assembly
11 .. ( ) .. Gas Train, 3 Burner - Nat. ................... 211082(2) ........... 211082(1) ............... - - - - .................... - - - - ............... 211082(2) ........... 211082(4)
12 .. ( ) .. Gas Train, 3 Burner - Prop. ............... 211082-1(2) ........ 211082-1(1) ............. - - - - .................... - - - - ............. 211082-1(2) ......... 211082-1(4)
13 .. ( ) .. Gas Train, 4 & 5 Burner - Nat. ............. 211081(1) ........... 211081(2) .......... 211081(3) ............ 211081(4) .......... 211081(3) ........... 211081(3)
14 .. ( ) .. Gas Train, 4 & 5 Burner - Prop. ......... 211081-1(1) ........ 211081-1(2) ....... 211081-1(3) ........ 211081-1(4) ....... 211081-1(3) ......... 211081-1(3)
15 .. ( ) .. Gasket, Blower ..................................... 210775(1) ........... 210775(2) .......... 210775(2) ............ 210775(3) .......... 210775(3) ........... 210775(3)
16 .... 1 ... Gasket, Blower ....................................... 210776 .................. - - - - ................... - - - - .................... - - - - ................... - - - - .................... - - - -
17 .. ( ) .. Gasket, Burner ....................................... 210744 ................ 210744 ............... 210744 ................ 210744 ............... 210744 ................ 210774
18 .... 1 ... Gasket, Divider Insert .............................. - - - - .................. 211363 ............... 211363 ................ 211363 ............... 211363 .................. - - - -
19 .... 2 ... Gasket, Heat Exchanger ........................ 210779 ................ 210779 ............... 210779 ................ 210779 ............... 210779 ................ 210779
20 .. ( ) .. Gasket, Igniter ...................................... 210078(1) ........... 210078(2) .......... 210078(2) ............ 210078(2) .......... 210078(2) ........... 210078(2)
21 .... 2 ... Gasket, Observation Port ...................... 211297 ................ 211297 ............... 211297 ................ 211297 ............... 211297 ................ 211297
22 .... 1 ... Heat Exchgr. Ass'y (GB ONLY) ............. 210731 ............... 210731-1 ............ 210731-2 ............ 210731-3 ............ 210731-4 ............. 210731-5
22A . 1 ... Heat Exchgr. Ass'y Brass(GB ONLY) ... 211494 ............... 211494-1 ............ 211494-2 ............ 211494-3 ............ 211494-4 ............. 211494-5
23 .... 1 ... Heat Exchgr. Ass'y (GW ONLY) ............ 210750 ............... 210750-1 ............ 210750-2 ............ 210750-3 ............ 210750-4 ............. 210750-5
23A . 1 ... Heat Exchgr. Ass'y Brass(GW ONLY) .. 211582 ............... 211582-1 ............ 211582-2 ............ 211582-3 ............ 211582-4 ............. 211582-5
24 .. ( ) .. Igniter .................................................... 192334(1) ........... 192334(2) .......... 192334(2) ............ 192334(2) .......... 192334(2) ........... 192334(2)
25 .... 1 ... Insulation Assembly
A .... 1 ... Insulation, Bottom Mate ........................... - - - - .................. 210724 ............. 210724-1 ............ 210724-2 ............ 210724-3 ............. 210724-4
B .... 1 ... Insulation, Bottom Panel ........................ 210746 ................ 210723 ............... 210723 ................ 210723 ............... 210723 ................ 210723
B .... 1 ... Insulation, Bottom Panel ........................ 210746 ................ 210723 ............... 210723 ................ 210723 ............... 210723 ................ 210723
C .... 1 ... Insulation, Front Mate .............................. - - - - .................. 210722 ............. 210722-1 ............ 210722-2 ............ 210722-3 ............. 210722-4
D .... 1 ... Insulation, Front Panel ........................... 210744 ................ 210721 ............... 210721 ................ 210721 ............... 210795 ................ 210794
D .... 1 ... Insulation, Front Panel ........................... 210744 ................ 210721 ............... 210721 ................ 210721 ............... 210795 ................ 210794
E .... 1 ... Insulation, Rear Mate ............................... - - - - .................. 210726 ............. 210726-1 ............ 210726-2 ............ 210726-3 ............. 210726-4
F .... 1 ... Insulation, Rear Panel ............................ 210745 ................ 210725 ............... 210725 ................ 210725 ............... 210725 ................ 210725
G .... 1 ... Insulation, Side Panel ............................ 210727 ................ 210727 ............... 210727 ................ 210727 ............... 210727 ................ 210727
H .... 1 ... Insulation, Side Panel .......................... 210727-1 ............. 210727-1 ............ 210727-1 ............ 210727-1 ............ 210727-1 ............. 210727-1
H .... 1 ... Insulation, Side Panel .......................... 210727-1 ............. 210727-1 ............ 210727-1 ............ 210727-1 ............ 210727-1 ............. 210727-1
I .... 1 ... Insulation, Side Panel .......................... 210728-6 ............. 210728-6 ............ 210728-7 ............ 210728-9 ........... 210728-10 ........... 210728-11
J .... 1 ... Insulation, Side Panel ......................... 210728-12 ............ 210728-1 ............ 210728-5 ............ 210728-2 ............ 210728-4 ............. 210728-8
K .... 1 ... Insulation, Top Panel ............................. 210743 ............... 210743-1 ............ 210743-1 ............ 210743-2 ............ 210743-2 ............. 210743-3
26 .... 2 ... Insulation, Fluebox Outer ....................... 211411 ............... 211411-1 ............ 211411-1 ............ 211411-2 ............ 211411-2 ............. 211411-3
27 .... 1 ... Main Gas Manifold ................................. 210756 ............... 210756-1 ............ 210756-2 ............ 210756-3 ............ 210756-4 ............. 210756-5
28 .. ( ) .. Man. Assembly, 3 Burner .................... 210755(1) ............... - - - - ................... - - - - .................... - - - - ............... 210755(2) ........... 210755(2)
29 .. ( ) .. Man. Assembly, 3 Burner ...................... 210761 ................ 210761 ................. - - - - .................... - - - - ................... - - - - ............... 210761(2)
30 .. ( ) .. Man. Assembly, 4 Burner .................... 210754(1) ............... - - - - ................... - - - - ................ 210754(1) .............. - - - - ............... 210754(2)
31 .. ( ) .. Man. Assembly, 5 Burner ........................ - - - - ................ 210763(2) .......... 210763(3) ............ 210763(3) .......... 210763(3) ........... 210763(1)
32 .. ( ) .. Nut, Hex Serrated Flange .................... 210226(8) ........... 210226(8) .......... 210226(8) ........... 210226(12) ........ 210226(12) ......... 210226(12)
33 .. ( ) .. Nut, Locking .......................................... 210174(6) ........... 210174(6) .......... 210174(6) ............ 210174(9) .......... 210174(9) ........... 210174(9)
34 .... 2 ... Observation Port Assembly .................... 98760 .................. 98760 ................. 98760 .................. 98760 ................. 98760 ................... 98760
35 .. ( ) .. Orifice-Natural .................................. 210758-111(10) ..... 210758-111(13) ... 210758-111(15) ..... 210758-111(19) ... 210758-111(21) ..... 210758-111(25)
36 .. ( ) .. Orifice-Propane ................................. 210758-75(10) ....... 210758-75(13) ..... 210758-75(15) ....... 210758-75(19) ..... 210758-75(21) ....... 210758-75(25)
37 .. ( ) .. Panel, Air Box Divider .......................... 210720(1) ............... - - - - ................... - - - - ................ 210720(1) .......... 210720(1) ........... 210720(2)
38 .... 1 ... Panel, Air Box Divider w/Slot ................... - - - - ................. 210720-1 ............ 210720-1 ............ 210720-1 ............ 210720-1 ................. - - - -
39 .. ( ) .. Panel, Air Diverter ................................ 211080(2) ........... 211080(2) .......... 211080(2) ............ 211080(3) .......... 211080(3) ........... 211080(3)
40 .... 1 ... Panel, Front Combustion ....................... 210703 ............... 210703-1 ............ 210703-2 ............ 210703-3 ............ 210703-4 ............. 210703-5
41 .... 1 ... Panel, Side Air Chamber ....................... 211088 ................ 211088 ............... 211088 ................ 211088 ............... 211088 ................ 211088
42 .... 1 ... Panel, Side Air Chamber ..................... 211088-1 ............. 211088-1 ............ 211088-1 ............ 211088-1 ............ 211088-1 ............. 211088-1
43 .... 1 ... Panel, Top Combustion ......................... 210717 ............... 210717-1 ............ 210717-2 .............. 211135 .............. 211135-1 ............. 211135-2
44 .... 1 ... Plate, Divider Insert .................................. - - - - .................. 211134 ............... 211134 ................ 211134 ............... 211134 .................. - - - -
45 .... 1 ... Plate, Insert Mate ..................................... - - - - .................. 211309 ............... 211309 ................ 211309 ............... 211309 .................. - - - -
46 .... 1 ... Rear Combustion Assembly .................. 211254 ............... 211254-1 ............ 211254-2 ............ 211254-3 ............ 211254-4 ............. 211254-5
47 .. ( ) .. Screw Cap ............................................ 190960(8) ........... 190960(8) .......... 190960(8) ........... 190960(12) ........ 190960(12) ......... 190960(12)
48 .... 1 ... Side Panel Assembly ........................... 210716-1 ............. 210716-1 ............ 210716-1 ............ 210716-1 ............ 210716-1 ............. 210716-1
49 .... 1 ... Side Panel Assembly ............................. 210716 ................ 210716 ............... 210716 ................ 210716 ............... 210716 ................ 210716
50 .. ( ) .. Silicone Tube ..................................... 210209-10(4) ...... 210209-10(4) ..... 210209-10(4) ...... 210209-10(6) ..... 210209-10(6) ....... 210209-10(6)
51 .. ( ) .. Silicone Tube ..................................... 210209-25(3) ...... 210209-25(3) ..... 210209-25(3) ...... 210209-25(4) ..... 210209-25(4) ....... 210209-25(4)
52 .. ( ) .. Strain Relief .......................................... 210173(2) ........... 210173(2) .......... 210173(2) ............ 210173(3) .......... 210173(3) ........... 210173(3)
53 .. ( ) .. Strain Relief Tube Assembly ............... 210234(4) ........... 210234(4) .......... 210234(4) ............ 210234(6) .......... 210234(6) ........... 210234(6)
54 .... 1 ... Switch, Blocked Flue ............................ 210908-2 ............. 210908-2 ............ 210908-2 ............ 210908-2 ............ 210908-2 ............. 210908-2
55 .. ( ) .. Switch, Differential ............................... 211094(2) ........... 211094(2) .......... 211094(2) ............ 211094(3) .......... 211094(3) ........... 211094(3)
56 .. ( ) .. Switch, Differential - Prop. ................. 211094-1(2) ........ 211094-1(2) ....... 211094-1(2) ........ 211094-1(3) ....... 211094-1(3) ......... 211094-1(3)
57 .... 1 ... Switch, Low Gas Nat/Prop ................. 191149-1/-3 ......... 191149-1/-3 ........ 191149-1/-3 ........ 191149-1/-3 ........ 191149-1/-3 ......... 191149-1/-3
27 .... 1 ... Main Gas Manifold ................................. 210756 ............... 210756-1 ............ 210756-2 ............ 210756-3 ............ 210756-4 ............. 210756-5
28 .. ( ) .. Man. Assembly, 3 Burner .................... 210755(1) ............... - - - - ................... - - - - .................... - - - - ............... 210755(2) ........... 210755(2)
29 .. ( ) .. Man. Assembly, 3 Burner ...................... 210761 ................ 210761 ................. - - - - .................... - - - - ................... - - - - ............... 210761(2)
30 .. ( ) .. Man. Assembly, 4 Burner .................... 210754(1) ............... - - - - ................... - - - - ................ 210754(1) .............. - - - - ............... 210754(2)
31 .. ( ) .. Man. Assembly, 5 Burner ........................ - - - - ................ 210763(2) .......... 210763(3) ............ 210763(3) .......... 210763(3) ........... 210763(1)
32 .. ( ) .. Nut, Hex Serrated Flange .................... 210226(8) ........... 210226(8) .......... 210226(8) ........... 210226(12) ........ 210226(12) ......... 210226(12)
33 .. ( ) .. Nut, Locking .......................................... 210174(6) ........... 210174(6) .......... 210174(6) ............ 210174(9) .......... 210174(9) ........... 210174(9)
34 .... 2 ... Observation Port Assembly .................... 98760 .................. 98760 ................. 98760 .................. 98760 ................. 98760 ................... 98760
35 .. ( ) .. Orifice-Natural .................................. 210758-111(10) ..... 210758-111(13) ... 210758-111(15) ..... 210758-111(19) ... 210758-111(21) ..... 210758-111(25)
36 .. ( ) .. Orifice-Propane ................................. 210758-75(10) ....... 210758-75(13) ..... 210758-75(15) ....... 210758-75(19) ..... 210758-75(21) ....... 210758-75(25)
37 .. ( ) .. Panel, Air Box Divider .......................... 210720(1) ............... - - - - ................... - - - - ................ 210720(1) .......... 210720(1) ........... 210720(2)
38 .... 1 ... Panel, Air Box Divider w/Slot ................... - - - - ................. 210720-1 ............ 210720-1 ............ 210720-1 ............ 210720-1 ................. - - - -
39 .. ( ) .. Panel, Air Diverter ................................ 211080(2) ........... 211080(2) .......... 211080(2) ............ 211080(3) .......... 211080(3) ........... 211080(3)
40 .... 1 ... Panel, Front Combustion ....................... 210703 ............... 210703-1 ............ 210703-2 ............ 210703-3 ............ 210703-4 ............. 210703-5
41 .... 1 ... Panel, Side Air Chamber ....................... 211088 ................ 211088 ............... 211088 ................ 211088 ............... 211088 ................ 211088
42 .... 1 ... Panel, Side Air Chamber ..................... 211088-1 ............. 211088-1 ............ 211088-1 ............ 211088-1 ............ 211088-1 ............. 211088-1
43 .... 1 ... Panel, Top Combustion ......................... 210717 ............... 210717-1 ............ 210717-2 .............. 211135 .............. 211135-1 ............. 211135-2
44 .... 1 ... Plate, Divider Insert .................................. - - - - .................. 211134 ............... 211134 ................ 211134 ............... 211134 .................. - - - -
45 .... 1 ... Plate, Insert Mate ..................................... - - - - .................. 211309 ............... 211309 ................ 211309 ............... 211309 .................. - - - -
46 .... 1 ... Rear Combustion Assembly .................. 211254 ............... 211254-1 ............ 211254-2 ............ 211254-3 ............ 211254-4 ............. 211254-5
47 .. ( ) .. Screw Cap ............................................ 190960(8) ........... 190960(8) .......... 190960(8) ........... 190960(12) ........ 190960(12) ......... 190960(12)
48 .... 1 ... Side Panel Assembly ........................... 210716-1 ............. 210716-1 ............ 210716-1 ............ 210716-1 ............ 210716-1 ............. 210716-1
49 .... 1 ... Side Panel Assembly ............................. 210716 ................ 210716 ............... 210716 ................ 210716 ............... 210716 ................ 210716
50 .. ( ) .. Silicone Tube ..................................... 210209-10(4) ...... 210209-10(4) ..... 210209-10(4) ...... 210209-10(6) ..... 210209-10(6) ....... 210209-10(6)
51 .. ( ) .. Silicone Tube ..................................... 210209-25(3) ...... 210209-25(3) ..... 210209-25(3) ...... 210209-25(4) ..... 210209-25(4) ....... 210209-25(4)
52 .. ( ) .. Strain Relief .......................................... 210173(2) ........... 210173(2) .......... 210173(2) ............ 210173(3) .......... 210173(3) ........... 210173(3)
53 .. ( ) .. Strain Relief Tube Assembly ............... 210234(4) ........... 210234(4) .......... 210234(4) ............ 210234(6) .......... 210234(6) ........... 210234(6)
54 .... 1 ... Switch, Blocked Flue ............................ 210908-2 ............. 210908-2 ............ 210908-2 ............ 210908-2 ............ 210908-2 ............. 210908-2
55 .. ( ) .. Switch, Differential ............................... 211094(2) ........... 211094(2) .......... 211094(2) ............ 211094(3) .......... 211094(3) ........... 211094(3)
56 .. ( ) .. Switch, Differential - Prop. ................. 211094-1(2) ........ 211094-1(2) ....... 211094-1(2) ........ 211094-1(3) ....... 211094-1(3) ......... 211094-1(3)
57 .... 1 ... Switch, Low Gas Nat/Prop ................. 191149-1/-3 ......... 191149-1/-3 ........ 191149-1/-3 ........ 191149-1/-3 ........ 191149-1/-3 ......... 191149-1/-3
CSD-1 and IRI Models subsitute the following part numbers for the Gas Train Assemblies:
•Item 11 substitute with 211082-2
•Item 12 substitute with 211082-3
•Item 13 substitute with 211081-2
•Item 14 substitute with 211081-3
Note: ( ) Item quantity.
* Items not illustrated.
* Items not illustrated.