A.O. Smith 931 Series User Manual

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PSD-3-422/B

COMMERCIAL WATER HEATER PARTS LIST

MODEL COF-199,245, 315, 385, 455 & 700

AND COF-315A,385A, 455A & 700A

SERIES 930/931

A.O. SMITH WATER PRODUCTS CO., INC.

5621 W. 115TH STREET • ALSIP, ILLINOIS 60803 PHONE: 1-800-433-2545• FAX:1-800-433-2515www.hotwater.com • email: parts@hotwater.com

PRINTED IN U.S.A. 1202

 

 

COF-199

COF-315

COF-385

COF-455

COF-700

Item

Description

COF-245

COF-315A

COF-385A

COF-455A

COF-700A

 

 

 

 

 

 

 

*1

Anode ........................................

43817-38(2) ...........

43817-38(2) ...........

43817-38(3) ............

43817-38(3)

............ 43817-38(4)

2

Baffle, Flue ...............................

39616-13(6) ...........

39616-13(7) ..........

39616-13(12) ..........

39616-13(12) ..........

39616-13(16)

3

Base, Jacket w/skids ................

76242-500 .............

76242-500 ..............

76242-500 ..............

76242-500 ...............

76242-500

4

Bolt, Base ......................................

41431 ....................

41431 .....................

41431 ......................

41431 ......................

41431

5

Chamber, Combustion ...............

76508-1 .................

76508-1 ..................

76508-1 ..................

76508-1.....................

76508

6

Channel, Wire ..............................

95312-3 .................

95312-3 ..................

95312-3 ..................

95312-3...................

95312-3

7

Clamp .............................................

94694 ....................

94694 .....................

94694 ......................

94694 ......................

94694

 

CLEANOUT ASSEMBLY

 

 

 

 

 

8

Gasket ..........................................

99038(1) ...............

99038(1) ................

99038(2) ..................

99038(2) .................

99038(2)

9

Pressure Plate .............................

99037(1) ...............

99037(1) ................

99037(2) ..................

99037(2) .................

99037(2)

10

Screw-SelfTapping ..................

69852-1(6) .............

69852-1(6) ............

69852-1(12) ............

69852-1(12) ............

69852-1(12)

11

Collar, Pipe 1-1/32"I.D. ..............

20172-6 .................

20172-6 ..................

20172-6 ..................

20172-6...................

20172-6

12

Collar, Pipe 1-7/8"I.D. ................

95030-2 .................

95030-2 ..................

95030-2 ..................

95030-2...................

95030-2

13

Connector, 1/2" tubing

 

 

 

 

 

 

to 3/4" Pipe Thread .................

42346-3 .................

42346-3 ..................

42346-3 ..................

42346-3...................

42346-3

14

Barometric Draft Control:

 

 

 

 

 

 

Model COF-199Only ................

69803 ....................

- - - - .......................

- - - - ........................

- - - - ........................

- - - -

 

All Other Models .....................

69803-1 .................

69803-1 ..................

69803-1 ..................

69803-1...................

69803-1

15

Cover, Cleanout Opening &

 

 

 

 

 

 

Observation ............................

38445(2) ...............

38445(2) ................

38445(2) ..................

38445(2) .................

38445(2)

16

Cover, Jacket ............................

97062-500 .............

97062-500 ..............

97062-500 ..............

97062-500 ...............

97062-500

 

*INSULATION,

 

 

 

 

 

 

FIBERGLASS SKIRT

 

 

 

 

 

 

Top .........................................

181268-14 .............

181268-14 ..............

181268-14 ..............

181268-14 ...............

181268-14

 

Bottom ...................................

181268-19 .............

181268-19 ..............

181268-19 ..............

181268-19 ...............

181268-19

 

*Insulation Skirt .........................

- - - - .....................

- - - - .......................

- - - - ....................

191017-2 .................

191017-1

17

*LABELS

 

 

 

 

 

 

Cleanout ..................................

78754(1) ...............

78754(2) ................

78754(2) ..................

78754(2) .................

78754(2)

 

Combination ............................

192485 ..................

192485 ...................

192485 ....................

192485 ....................

192485

 

Copper Conductor ..................

192495 ..................

192495 ...................

192495 ....................

192495 ....................

192495

 

Hot .............................................

192484 ..................

192484 ...................

192484 ....................

192484 ....................

192484

 

Relief Valve ..............................

191068 ..................

191068 ...................

191068 ....................

191068 ....................

191068

 

UL ..............................................

192486 ..................

192486 ...................

192486 ....................

192486 ....................

192486

18

Gasket, Skirt Ring ........................

76443 ....................

76443 .....................

76443 ......................

76443 ......................

76443

21

Insulation, Foil-Faced ................

41175-1 .................

41175-1 ..................

41175-1 ..................

41175-1...................

41175-1

22

*Jacket, Lower Half ...................

76697-703 .............

76697-703 ..............

76697-703 ..............

76697-703 ...............

76697-703

23

*Jacket, Upper Half ...................

78749-700 .............

78749-703 ..............

78749-704 ..............

78749-704 ...............

78749-702

24

Plug, Observation .......................

41377-1 .................

41377-1 ..................

41377-1 ..................

41377-1...................

41377-1

25

Reducer, Flue:

 

 

 

 

 

 

Model COF-199Only .............

99767-502 .................

- - - - .......................

- - - - ........................

- - - - ........................

- - - -

 

All Other Models ....................

76707-500 .............

76707-500 ..............

76707-500 ..............

76707-500 ...............

76707-500

29

Skirt Ring.....................................

76228-1 .................

76228-1 ..................

76228-1 ..................

76228-1...................

76228-1

30

Thermostat-WithE.C.O. .............

76746-2 .................

76746-2 ..................

76746-2 ..................

76746-2...................

76746-2

31

Valve, Drain .................................

26273-6 .................

26273-2 ..................

26273-2 ..................

26273-2...................

26273-2

32

Valve, Relief ................................

99465-4 .................

99465-4 ..................

99465-4 ..................

99465-4...................

99465-3

33

+WIRE:

 

 

 

 

 

 

16 AWG Stranded,

 

 

 

 

 

 

105°C, AWM & TEW:

 

 

 

 

 

 

Black ..........................................

86578 ....................

86578 .....................

86578 ......................

86578 ......................

86578

 

Red .............................................

86579 ....................

86579 .....................

86579 ......................

86579 ......................

86579

 

White ..........................................

86580 ....................

86580 .....................

86580 ......................

86580 ......................

86580

 

Yellow ........................................

98199 ....................

98199 .....................

98199 ......................

98199 ......................

98199

Item

 

 

 

 

 

 

* Not Illustrated

Quantities shown in parenthesis next to part number.

+When ordering wire, indicate length required in inches. (Example: 86578-100equals 100" Length.) Part numbers underlined are recommended stock items for emergency replacement.

Request parts from Product Service Division giving all information such as model and series number.

OIL BURNER

 

 

COF-199

COF-315

COF-385

COF-455

COF-700

 

 

Item

Description

COF-245

COF-315A

COF-385A

COF-455A

COF-700A

 

 

 

 

 

 

 

34

Bar, Buss .........................................

6087 ......................

6087 ......................

6087 ........................

6087 .........................

6087

35

Bushing, Insulation .......................

24213 ....................

24213 ....................

24213 ......................

24213 .......................

24213

36

Clips, Transformer (2 Req'd) ..............

6072 ......................

6072 ......................

6072 ........................

6072 .........................

6072

37

Control, Safety Primary-15 Sec. ...........

6215 ......................

6215 ......................

6215 ........................

6215 .........................

6215

38

Coupling ..........................................

6080 ......................

6080 ......................

6080 ........................

6080 .........................

6080

39

Cover, Fiber ....................................

6079 ......................

6079 ......................

6079 ........................

6079 .........................

6079

40

Detector, Flame ...............................

5008 ......................

5008 ......................

5008 ........................

5008 .........................

5008

41

Drawer, Assembly...........................

6099 ......................

6099 ......................

6099 ........................

6100 .........................

6100

42

Adapter, Nozzle ..........................

24212 ....................

24212 ....................

24212 .......................

- - - - .........................

- - - -

43

Adapter, Nozzle ...........................

- - - - .....................

- - - - ......................

- - - - ........................

6092 .........................

6092

44

Electrode Assembly ...................

24221 ....................

24221 ....................

24221 ......................

24221 .......................

24221

45

Insulator, Electrode ................

24210 ....................

24210 ....................

24210 ......................

24210 .......................

24210

46

Nut, Pal ....................................

24214 ....................

24214 ....................

24214 ......................

24214 .......................

24214

47

Stem, Electrode ......................

24211 ....................

24211 ....................

24211 ......................

24211 .......................

24211

48

Pipe, Fuel .....................................

6086 ......................

6086 ......................

6086 ........................

6086 .........................

6086

49

Plate, Baffle .................................

6089 ......................

6089 ......................

6089 ........................

6090 .......................

**6090

50

Tripod, Electrode Support ........

24208 ....................

24208 ....................

24208 .......................

- - - - .........................

- - - -

51

Tripod, Electrode Support .........

- - - - .....................

- - - - ......................

- - - - ........................

6088 .........................

6088

52

Gasket, Flange ................................

6098 ......................

6098 ......................

6098 ........................

6098 .........................

6098

53

Housing ...........................................

6076 ......................

6076 ......................

6076 ........................

6076 .........................

6076

54

Line, Fuel - With Fittings................

6081 ......................

6081 ......................

6081 ........................

6082 .........................

6082

55

Motor ...............................................

6068 ......................

6068 ......................

6068 ........................

6069 .........................

6069

56

Nozzle:

 

 

 

 

 

 

1.35 GPH-80°ACOF-199 .............

6580 .....................

- - - - ......................

- - - - ........................

- - - - .........................

- - - -

 

1.75 GPH-80°ACOF-245 .............

6581 .....................

- - - - ......................

- - - - ........................

- - - - .........................

- - - -

 

2.25 GPH-80°ACOF-315 .............

- - - - ......................

6182 ......................

- - - - ........................

- - - - .........................

- - - -

 

2.75 GPH-80°ACOF-385 .............

- - - - .....................

- - - - ......................

6083 ........................

- - - - .........................

- - - -

 

3.25 GPH-80°ACOF-455 .............

- - - - .....................

- - - - ......................

- - - - ........................

6084 .........................

- - - -

 

5.0 GPH-80°ACOF-700 ...............

- - - - .....................

- - - - ......................

- - - - ........................

- - - - .........................

6085

57

Pump, Fuel:

 

 

 

 

 

 

Single Stage ....................................

6018 ......................

6018 ......................

6018 ........................

6018 .........................

6018

58

Body Gasket-ForAll Pumps ..........

6017 ......................

6017 ......................

6017 ........................

6017 .........................

6017

59

Strainer-ForAll Pumps ..................

6036 ......................

6036 ......................

6036 ........................

6036 .........................

6036

60

Ring Assembly, Fire .......................

6096 ......................

6096 ......................

6096 ........................

6096 .........................

6096

61

Ring Assembly, Fire .......................

- - - - .....................

- - - - ......................

- - - - ........................

6097 .........................

6097

62

Shutter, Air-Inner ............................

6077 ......................

6077 ......................

6077 ........................

6077 .........................

6077

63

Shutter, Air-Outer ...........................

6078 ......................

6078 ......................

6078 ........................

6078 .........................

6078

64

Transformer, Ignition .....................

6075 ......................

6075 ......................

6075 ........................

6075 .........................

6075

65

Tube, Draft.......................................

6093 ......................

6093 ......................

6093 ........................

6094 .........................

6094

66

Valve, Fuel Oil Safety .....................

- - - - .....................

- - - - ......................

- - - - .......................

76742 .......................

76742

67

Wheel, Blower .................................

6070 ......................

6070 ......................

6070 ........................

6071 .........................

6071

68Standard Hardware Items Purchase Locally

**Snap off outer ring for use on COF-700andCOF-700AModels.

Part numbers underlined are recommended stock items for emergency replacement.

WPC PART NO. 190104 REV. 1