A.O. Smith HW-225M User Manual

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PSD-3-453

COMMERCIAL WATER HEATER

REPLACEMENT PARTS LIST

MODELS HW-120M/160M/200M/225M:

SERIES 102, 103

WIRE TERMINALS USED WITH ITEM 53

78468

78469

85688

98017

99593

 

THERMO BALANCER

46

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

5621 W. 115TH STREET • ALSIP, ILLINOIS 60803 Phone: 1-800-433-2545• Fax:1-800-433-2515

website: www.hotwater.com • email: parts@hotwater.com

PRINTED IN U.S.A. 0303

211828-000REV. 00

GAS CONTROL VALVE

I.I.D. MODELS

MAIN BURNER & MANIFOLD

(I.I.D. MODELS)

51

ITEM

DESCRIPTION

 

HW 120M

HW 160M

HW 200M

HW 225M

1 ......

Base, Assembly ...................................................

 

97981-702 ...............

97981-702 .............

97981-702 ..............

97981-702

2 ......

Box, Junction ............................................................

 

93558 .......................

93558 ....................

93558 .....................

93558

3 ......

Bracket, Control ....................................................

 

95452-12 .................

95452-12 ...............

95452-12 ................

95452-14

4 ......

Bracket, Main Burner Support (Rear)

...................... 78882 .......................

78882 ....................

78882 .....................

78882

5 ......

Bracket, Skirt Support ..............................................

 

97963 .......................

97963 ....................

97963 .....................

97963

6 ......

Burner, Main .............................................................

 

78382 .......................

78382 ....................

78382 .....................

78382

7 ......

Burner, Main - With Pilot Bracket ..........................

170613-1 .................

170613-1 ...............

170613-1 ................

170613-1

8 ......

Burner, Pilot - With Orifice:

 

 

 

 

 

 

Natural Gas ......................................................

 

210871-2 .................

210871-2 ...............

210871-2 ................

210871-2

 

Propane Gas ....................................................

 

210871-3 .................

210871-3 ...............

210871-3 ....................

- - - -

9 ......

Insulation - Wrap ....................................................

 

211927 .....................

211927 ..................

211928 ....................

211928

11

Catch, Door ..............................................................

 

28666 .......................

28666 ....................

28666 .....................

28666

HW

 

 

14 ......

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

 

97272 .......................

97272 ....................

97273 .....................

97273

15 ......

Collector, Flue .........................................................

 

212032 ...................

212032-1 ...............

212032-2 ................

212032-3

16 ......

Control, Coil Limit (Protector Switch) ....................

77981-2 ...................

77981-2 .................

77981-2 ..................

77981-2

17 ......

Control, Automatic Gas Shutoff

..............................

191394 .....................

191394 ..................

191394 ...................

191394

18 ......

Control, Intermittent Ignition:

 

 

 

 

 

 

Natural Gas ........................................................

 

191182 .....................

191182 ..................

191182 ....................

191182

 

Propane Gas ....................................................

 

191182-1 .................

191182-1 ...............

191182-1 ....................

- - - -

19 ......

Cover, Coil Limit (Protector Switch) .....................

96667-700 ...............

96667-700 .............

96667-700 ..............

96667-700

21 ......

Cover, Top ............................................................

 

96231-703 ...............

96231-703 .............

96231-703 ..............

95115-704

22 ......

*Decals:

 

 

 

 

 

 

ASHRAE .............................................................

 

160659 .....................

160659 ..................

160659 ...................

160659

 

Delime .................................................................

 

76770 .......................

76770 ....................

76770 .....................

76770

 

Coil Limit .............................................................

 

97315 .......................

97315 ....................

97315 .....................

97315

 

Lighting & Operating ..........................................

 

192012 .....................

192012 ..................

192012 ...................

192012

 

HW

 

 

ITEM DESCRIPTION

HW 120M

HW 160M

HW 200M

HW 225M

22 ......

*Decals: (continued)

 

 

 

 

 

 

Pressure Data ..................................................

 

170872-2 .................

170872-2 ...............

170872-3 ................

170872-3

 

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

 

191463 .....................

191463 ..................

191463 ...................

191463

 

Water Inlet ...........................................................

 

94518 .......................

94518 ....................

94518 .....................

94518

 

Water Outlet .........................................................

 

94519 .......................

94519 ....................

94519 .....................

94519

 

Wiring Diagram:

 

 

 

 

 

 

Series 102 .....................................................

 

192013 .....................

192013 ..................

192013 ...................

192013

 

Series 103 .....................................................

 

192014 .....................

192014 ..................

192014 ...................

192014

23 ......

Door ....................................................................

 

95093-710 ...............

95093-710 .............

95093-710 ..............

95093-710

24 ......

Exchanger, Heat ......................................................

 

190964 .....................

190964 ..................

190964 ...................

190964

24a ....

Glass Yarn - 4 reg’d ...............................................

 

68831-4 ...................

68831-4 .................

68831-4 ..................

68831-4

24b ....

Glass Yarn - 4 reg’d ...............................................

 

68831-3 ...................

68831-3 .................

68831-3 ..................

68831-3

25 ......

Grommet ..................................................................

 

96053 .......................

96053 ....................

96053 .....................

96053

26 ......

Hood, Draft ..............................................................

 

191455 ..................

95157-700 .............

95157-700 ..............

95157-700

27

Insulation, Blanket ..................................................

 

212042 .....................

212042 ..................

212042 .................

212042-1

HW

 

 

28 ......

Insulator .................................................................

 

32779-1 ...................

32779-1 .................

32779-1 ..................

32779-1

29 ......

Jacket, Outer .......................................................

 

191378-700 .............

191378-700 ..........

191378-700 ............

191378-701

30 ......

Knob, Door ...............................................................

 

89410 .......................

89410 ....................

89410 .....................

89410

31 ......

Manifold ...................................................................

 

192339 .....................

192339 ..................

192339 ...................

192339

32 ......

Nut, Burner ..............................................................

 

160360 .....................

160360 ..................

160360 ...................

160360

33 ......

Nut, Tie Rod .............................................................

 

85138 .......................

85138 ....................

85138 .....................

85138

34 ......

Orifice, Main Burner:

 

 

 

 

 

 

Natural Gas ......................................................

 

78790-32 .................

78790-29 ...............

78790-23 ................

78790-20

 

Propane Gas ....................................................

 

78790-49 .................

78790-45 ...............

78790-42 ....................

- - - -

35 ......

Orifice, Pilot Burner:

 

 

 

 

 

 

Natural Gas ..........................................................

 

6210 .........................

6210 ......................

6210 .......................

6210

 

Propane Gas ........................................................

 

6211 .........................

6211 ......................

6211 ........................

- - - -

36 ......

Ring, Base ...........................................................

 

97965-700 ...............

97965-700 .............

97965-700 ..............

97965-700

37 ......

Ring, Heat Exchanger Support ................................

96553 .......................

96553 ....................

96553 .....................

96553

38 ......

Rod, Tie ..................................................................

 

94453-8 ...................

94453-8 .................

94453-2 ..................

94453-2

39

Screw, Manifold ......................................................

 

85116-1 ...................

85116-1 .................

85116-1 ..................

85116-1

HW

 

 

40 ......

Shield, Burner .........................................................

 

170237 .....................

170237 ..................

170237 ...................

170237

41 ......

Shield, Floor .............................................................

 

38049 .......................

38049 ....................

38049 .....................

38049

42 ......

Shield, Radiation ....................................................

 

192344 ...................

192344-1 ................

192344 ...................

192344

43 ......

Skirt, Assembly ......................................................

 

96585-1 ...................

96585-1 ..................

96585 .....................

96585

44 ......

Strike, Door ..............................................................

 

28639 .......................

28639 ....................

28639 .....................

28639

45 ......

Tape, Non-Asbestos ..............................................

 

95072-2 ...................

95072-2 .................

95072-2 ..................

95072-2

46 ......

Thermal Balancer ......................................................

 

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

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

98190 .....................

98190

48 ......

Transformer - w/Junction Box Cover ....................

69170-10 .................

69170-10 ...............

69170-10 ................

69170-10

49 ......

Tube, Fiberglass .....................................................

 

68831 .......................

68831 ....................

68831 .....................

68831

50 ......

Tubing, 1/4" x 60" w/Assorted Fittings

 

 

 

 

 

(User to cut to required length) ..............................

1417-60 ...................

1417-60 .................

1417-60 ..................

1417-60

51 ......

Valve, Gas Control:

 

 

 

 

 

 

Natural Gas:

 

 

 

 

 

 

Series 102 .....................................................

 

192015 .....................

192015 ..................

192015 ...................

192015

 

Propane Gas:

HW

 

 

 

Series 103 ...................................................

 

192015-1 .................

192015-1 ...............

192015-1 .....................

- - -

52 ......

Wire, Coil Limit Control (Two Required) .............

170889-75 ...............

170889-75 .............

170889-75 ..............

170889-75

 

....................................................................

 

170889-83 ...............

170889-83 .............

170889-83 ..............

170889-83

53 ......

*+Wire (See Illustration For Terminals-OrderAsRequired.)

 

 

 

 

Wire Conductor (Thermo Plastic)

 

 

 

 

 

18 AWG Stranded, 1050C

 

 

 

 

 

 

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

 

170889-43 ...............

170889-43 .............

170889-43 ..............

170889-43

 

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

 

170889-42 ...............

170889-42 .............

170889-42 ..............

170889-42

 

14 AWG Stranded, 1050C

 

 

 

 

 

 

Green ..........................................................

 

170889-91 ...............

170889-91 .............

170889-91 ..............

170889-91

 

Wire Harness Assembly ........................................

 

192750 .....................

192750 ..................

192750 ...................

192750

54 ......

Standard hardware items to be purchased locally.

192263-1

192263-1

192263-1

55

V Baffle (5) .............................................................

 

192263-1 .................

HW

 

 

*Not illustrated.

+When ordering wire, indicate length required in inches. (Example: 86578-100equals 100" length).

Part numbers underlined are recommended stock items for emergency replacement. (Consider gas used in your area only).

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

5621 W. 115TH STREET • ALSIP, ILLINOIS 60803 Phone: 1-800-433-2545• Fax:1-800-433-2515

website: www.hotwater.com • email: parts@hotwater.com