A. O. Smith FPD-75 Parts List

PSD-1-200

RESIDENTIAL WATER HEATER PARTS LIST

MODELS FPD 40(T), 50(T) & 75(T)

SERIES 250E/251

1

34
35

36

32

9

7

10

11

37

13

2

OUTLET PARTS ONLY

75 GALLON MODELS

2

4

14

37

3

33

8

5

6

12

BURNER ASSEMBLY

29

38

31

30

16

40

28

26

27

18

21

20

23

25A

24

&

25B

15

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

5621 W. 115TH STREET • ALSIP, ILLINOIS 60803

Phone: [phone] • Fax: [phone]

www.hotwater.com • e-mail: [e-mail]

19

AUTOMATIC (SELF CLOSING) TYPE

PRESS *TYPE SIZE RELIEF
150 lbs. T & P 3/4"x 3/4" 210°

17

22

RELIEF VALVE

TEMP

PART NO. 23740-1

12

PRINTED IN U.S.A. 0503

FPD 40(T) FPD 50(T) FPD 75(T) FPD 75(T)

Item Description 250E 250E 250E 251

1 ......... Vent Cap w/Screen ................................................................. 900195-7 ................900195-7 ................. 900195-7 ............. 900195-7

2 ......... Adapter, Flue Mounting ........................................................... 900272-8 ................ 900272-8 ................. 900272-8 ............. 900272-8

3 ......... 5' ABS Schedule 40 Vent Pipe.....................................................- - - ........................ - - - ...................... 900210-6 ............. 900210-6

4 ......... 90° ABS Schedule 40 Elbow ........................................................ - - - ........................ - - - ...................... 900210-7 ............. 900210-7

5 ......... Vent/Blower Adapter ............................................................... 900250-6 ................900250-6 ................. 900250-6 ............. 900250-6

6 ......... Blower ..................................................................................... 900250-7 ................ 900250-7 ................. 900266-9 ............. 900266-9

7 ......... Flue Adapter Gasket (6"x 10.102").......................................... 900256-7 ................ 900256-7 ................. 900256-7 ............. 900256-7

8 ......... Blower Gasket......................................................................... 900250-8 ................ 900250-8 ................. 900250-8 ............. 900250-8

9 ......... Hi-Limit Switch, Manual Reset ................................................ 900267-8 ................900267-8 ................. 900267-8 ............. 900267-8

10 ......... Vent Hood Assembly............................................................... 900250-9 ................ 900250-9 .................. 900267

11 ......... Gasket, Wiring ........................................................................ 900251-9 ................ 900251-9 ................. 900251-9 ............. 900251-9

12 ......... T & P Relief Valve .................................................................... 23740-1 ..................23740-1 .................. 23740-1............... 23740-1

13 ......... Dip Tube ................................................................................. 900236-5 ................. 900236 ................... 900236-5 ............. 900236-5

14 ......... Anode, Aluminum.................................................................... 900002-9 ................900002-9 .................. 900279 .................900279

15 ......... Wiring Harness ......................................................................... 900252................... 900252 .................... 900252 .................900252

16 ......... Drain Pan ................................................................................ 900276-9 ................900276-9 ................. 900160-8 ............. 900160-8

17 ......... Hot Surface Ignition Assembly ................................................ 900251-8 ................900251-8 ................. 900251-8 ............. 900251-8

18 ......... Orifice, Main Burner - Natural .................................................

18 ......... Orifice, Main Burner - Propane .................................................... - - - ........................ - - - .......................... - - - .....................

19 ......... Main Burner Assembly - Natural ............................................. 900241-1 ................900241-1 .................. 900304 ................... - - -

19 ......... Main Burner Assembly - Propane ................................................ - - - ........................ - - - .......................... - - - .................. 900304-8

20 ......... Inner Door ............................................................................... 900028-1................ 900028-1 ................. 900028-1 ............. 900028-1

21 ......... Drain Valve.............................................................................. 900005-8 ................900005-8 ................. 900005-8 ............. 900005-8

22 ......... Burner Tube - Natural ............................................................. 900251-6 ................ 900251-6 ................. 900265-4 ................. - - -

22 ......... Burner Tube - Propane ................................................................ - - - ........................ - - - .......................... - - - .................. 900265-5

23 ......... Right Access Door w/Gasket ........... .......... .......... ................... 900069-5 ................900069-5 ................. 900069-5 ............. 900069-5

24 ......... Left Access Door w/Gasket .................................................... 900069-6 ................ 900069-6 ................. 900069-6 ............. 900069-6

25a. ...... Access Door Clips (2) ............................................................. 900069-4 ................900069-4 ................. 900069-4 ............. 900069-4

25b. ...... Jacket/Access Door Clips (8)....... ......... ........ ......... ................. 900130-5 ................900130-5 ................. 900130-5 ............. 900130-5

26 ......... Cover, Pressure Switch (Air) ......... .......... ......... .......... ............ 900256-9 ................ 900256-9 ................. 900256-9 ............. 900256-9

27 ......... Thermostat, Gas - Natural ...................................................... 900251-4 ................ 900251-4 ................. 900251-4 .................- - -

27 ......... Thermostat, Gas - Propane.......................................................... - - - ........................ - - - .......................... - - - .................. 900251-5

28 ......... Power Cord ............................................................................. 900309-5 ................900309-5 ................. 900309-5 ............. 900309-5

29 ......... Mounting Bracket .................................................................... 900251-2 ................ 900251-2 ................. 900251-2 ............. 900251-2

30 ......... On/Off Switch ......................................................................... 900177-3 ................ 900177-3 ................. 900177-3 ............. 900177-3

31 ......... Pressure Switch (Air) .............................................................. 900256-8 ................900264-3 ................. 900256-8 ............. 900256-8

32 ......... Flue Baffle Assembly ................................................................ 900251..................900263-2 ................. 900265-3 ............. 900265-3

33 ......... Baffle Adapter Collar Assembly ................................................. 900257...................... - - - .......................... - - - ...................... - - -

34 ......... Flue Adapter.................................................................................- - - ........................ - - - ...................... 900129-0 ...............900129

35 ......... Adapter Gasket ............................................................................- - - ........................ - - - ...................... 900129-2 ............. 900129-2

36 ......... Adapter Plate w/Gasket ............................................................... - - - ........................ - - - ...................... 900129-3 ............. 900129-3

37 ......... Nipple, PEX lined 3/4 NPT x 2 1/2" ......................................... 900039-9 ................ 900039-9 ................. 900039-9 ............. 900039-9

37 ......... Heat Trap Nipple, Inlet & Outlet

(Used on “T” models) ................................................... 900041-5 ................ 900041-5 ................. 900041-5 ............. 900041-5

38 ......... Harness, Motor Wire............................................................... 139003-8................ 139003-8 ................. 139003-8 ............. 139003-8

39 ......... Owner’s Manual*....................................................................... 183771................... 183771 .................... 183771 .................183771

40 ......... Stand, Water Heater ............................................................... 900142-2 ................900142-2 ..................... - - - ...................... - - -

LABELS ........................................................................................................................................................................................................

Label, T&P (4.5" x 4.25")* ....................................................... 900333-2 ................ 900333-2 ................. 900333-2 ............. 900333-2

Label, Warning (5.5"x1.75")*................................................... 900333-2 ................ 900333-2 ................. 900333-2 ............. 900333-2

Label, R G Danger (13.75" x 6.75")* ....................................... 900333-2 ................ 900333-2 ................. 900333-2 ............. 900333-2

Label, PV Shock Warning (3.5" x 1.0")*.................................. 900333-2 ................ 900333-2 ................. 900333-2 ............. 900333-2

Label, PV Warning (4.0" x 1.5")*............................................. 900333-2 ................ 900333-2 ................. 900333-2 ............. 900333-2

Label, PDV Wiring Diagram (5.625" x 5.5")*........................... 900333-2 ................900333-2 ................. 900333-2 ............ 9000333-2

Label, Operating Instr., Power Direct Vent* ............................ 900333-2 ................900333-2 ................. 900333-2 ............

Label, Scald Warning* ............................................................ 900333-2 ................ 900333-2 ................. 900333-2 ............. 900333-2

SMR K32........................................................................................................................................................................................................

14 ......... Anode, Magnesium ................................................................. 900182-9 ................ 900073-5 ................. 900073-4 ............. 900073-4

18 ......... Orifice, Main Burner - NATURAL GAS Hi-Alt. ........................ 900252-6 ................ 900252-6 ....................... ? ........................ - - -

18 ......... Orifice, Main Burner - PROPANE GAS Hi-Alt.............................. - - - ........................ - - - .......................... - - - ........................ ?

SMR S19........................................................................................................................................................................................................

14 ......... Anode, Magnesium ................................................................. 900182-9 ................ 900073-4 ................. 900073-4 ............. 900073-4

* Not illustrated.

900252-8 ................900252-8 ................. 23027-9 ................... - - -

.................900267

23026

9000333-2

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

5621 W. 115TH STREET • ALSIP, ILLINOIS 60803

Phone: [phone] • Fax: [phone] • www.hotwater.com • e-mail: [e-mail]