Page 1
A.O. Smith Water Heater Parts Fulllment
125 Southeast Parkway • Franklin, TN 37068
www.hotwater.com • 1-800-433-2545
REPLACEMENT PARTS LIST
BOILERS FOR HYDRONIC
HEATING & HOT WATER SUPPLY
XP/ XW MODELS 1000, 1300, 1700,
2000, 2600, 3400
SERIES 100/101
A.O. Smith Water Heater Parts Fulllment • phone: 1-800-433-2545 • www.hotwater.com
PRINTED 0711 1 of 8 321761-001
Page 2
GAS AND BURNER ASSEMBLY PARTS LIST
Item Description XW/XB 1000 XW/XB 1300 XW/XB 1700 XW/XB 2000 XW/XB 2600 XW/XB 3400
1 ....... Blower ..................................... 9008030005(2) .... 9008031005(2) ... 9008031005(2) .. 9008030005(4) ... 9008031005(4) ...9008031005(4)
2 ....... Gas Valve ............................... 9008032005(2) .... 9007414005(2) ... 9007414005(2) ...9007414005(4) ....9007414005(4) ...9007414005(4)
3 ....... Low Gas Pressure Switch .........9008033015 ........ 9008033015 ....... 9008033015....... 9008033015 ....... 9008033015 .......9008033015
4 ....... High Gas Pressure Switch ........9008034015 ........ 9008034015 ....... 9008034015....... 9008034015 ....... 9008034015 .......9008034015
5 ....... Burner Kit ................................ 9008035005(2) .... 9008036005(2) ... 9008036005(2) .. 9008035005(4) ... 9008036005(4) ...9008036005(4)
6 ....... Igniter Kit................................. 9008037005(2) .... 9008037005(2) ... 9008037005(2) .. 9008037005(4) ... 9008037005(4) ...9008037005(4)
7 ....... Flame Sensor Kit .................... 9008038015(2) .... 9008038015(2) ... 9008038015(2) .. 9008038015(4) ... 9008038015(4) ...9008038015(4)
8 ....... Blower Gasket .........................321762-000(2) .... 321757-000(2) .... 321757-000(2) ....321762-000(4) ....321757-000(4) ... 321757-000(4)
9 ....... Burner Gasket .........................321756-000(2) .... 321756-000(2) .... 321756-000(2) ....321756-000(4) ....321756-000(4) ... 321756-000(4)
10 ...... Igniter Gasket ..........................321751-000(2) .... 321751-000(2) .... 321751-000(2) .... 321751-000(4) ....321751-000(4) ... 321751-000(4)
11 ...... Flame Sensor Gasket .............321752-000(2) .... 321752-000(2) .... 321752-000(2) .... 321752-000(4) ....321752-000(4) ... 321752-000(4)
12 ...... Flapper ................................... 9008039005(2) ....9008056005(2) ...9008056005(2) .. 9008039005(4) ... 9008056005(4) ...9008056005(4)
13 ...... Inlet Air Filter .............................. 320350-000 ........ 320350-000 ........ 320372-000 ........ 320372-000 ........320372-000 ........ 320373-000
14 ......
15 ...... Venturi Flange Gasket............. 320211-000(2) .... 320211-000(2) .... 320211-000(2) ....320211-000(2) ....320211-000(2) ... 320211-000(2)
16 ...... Flex Tube ................................ 9008043005(2) ....9008043005(2) ... 9008044005(2) .. 9008043005(2) ... 9008043005(2) ...9008044005(2)
17 ...... Gas Manifold .............................9008045005 ........ 9008045005 ....... 9008046005....... 9008047005 ....... 9008047005 ....... 9008048005
Replacement Heat Exchanger
....9008040005 ........ 9008041005 ....... 9008042005..... 9008040005(2) ... 9008041005(2) ...9008042005(2)
17
15
3 and 4
1
12
5
16
2
7
13
6
15
A.O. Smith Water Heater Parts Fulllment
125 Southeast Parkway • Franklin, TN 37068 • 1-800-433-2545 • www.hotwater.com
PRINTED 0711 2 of 8 321761-001
Page 3
CONTROL ASSEMBLY
2
Item Description XW/XB 1000 XW/XB 1300 XW/XB 1700 XW/XB 2000 XW/XB 2600 XW/XB 3400
1 ....... Control Board ......................... 9008049005(2) ....9008049005(2) ... 9008049005(2) ..9008049005(4) ... 9008049005(4) ...9008049005(4)
2 ....... Display .......................................9008050005 ........ 9008050005 ....... 9008050005....... 9008050005 ....... 9008050005 .......9008050005
3 ....... Display Power Supply ...............9008051005 ........ 9008051005 ....... 9008051005....... 9008051005 ....... 9008051005 .......9008051005
4 ....... Transformer ............................... 9004639205 ........ 9004639205 ....... 9004639205....... 9007353005 ....... 9007353005 ....... 9007353005
5 ....... Relay, 120 Volt...........................9006612005 ........ 9006612005 ....... 9006612005..... 9006612005(2) ... 9006612005(2) ...9006612005(2)
6 ....... Relay, 24 Volt ................................
7 ....... Inlet Sensor ............................ 9008053015(2) ....9008053015(2) ...9008053015(2) .. 9008053015(4) ... 9008053015(4) ... 9008053015(4)
8 ....... Outlet Sensor ......................... 9008054015(2) ....9008054015(2) ...9008054015(2) .. 9008054015(4) ... 9008054015(4) ...9008054015(4)
9 ....... Low Water Cutoff Kit .................9007337005 ........ 9007337005 ....... 9007337005....... 9007337005 ....... 9007337005 .......9007337005
10 ...... Flue Sensor ...............................9008057015 ........ 9008057015 ....... 9008057015.....9008057015(2) ... 9008057015(2) ...9008057015(2)
11 ......
12 ...... Switch, Interlock ........................9008059015 ........ 9008059015 ....... 9008059015....... 9008059015 ....... 9008059015 ....... 9008059015
13 ......
External Ignition Transformer
Switch Disconnect
......................9008060015 ........ 9008060015 .......9008060015....... 9008060015 ....... 9008060015 ....... 9008060015
- - - - - - -
... 9008058005(2) ....9008058005(2) ...9008058005(2) .. 9008058005(4) ... 9008058005(4) ... 9008058005(4)
..............
- - - - - - -
..............
- - - - - - -
........ 9008052015(2) ... 9008052015(2) ...9008052015(2)
13
3
1
5, 6
4
9
8, 10
12
7
A.O. Smith Water Heater Parts Fulllment
125 Southeast Parkway • Franklin, TN 37068 • 1-800-433-2545 • www.hotwater.com
PRINTED 0711 3 of 8 321761-001
Page 4
WATER CONNECTIONS
Item Description XW/XB 1000 XW/XB 1300 XW/XB 1700 XW/XB 2000 XW/XB 2600 XW/XB 3400
1 ....... Relief Valve, Water Heater ........9006921005 ........ 9006921005 ....... 9006921005.....9006921005(2) ... 9006921005(2) ...9006921005(2)
2 ....... Relief Valve Boiler .....................9007331005 ........ 9007331005 ....... 9007331005..... 9007331005(2) ... 9007331005(2) ...9007333005(2)
3 ....... Service Flange ..........................212871-002 ........ 212871-002 ........ 212871-005 ......212871-002(2) ....212871-002(2) ... 212871-005(2)
4 ....... Service Flange Gasket .............. 212903-000 ........ 212903-000 ........ 212903-000 ......212903-000(2) ....212903-000(2) ... 212903-000(2)
5 ....... Pump .........................................9008061005 ........ 9008061005 ....... 9008062005..... 9008061005(2) ... 9008061005(2) ...9008062005(2)
6 ....... Pump Flange Kit ........................9008063005 ........ 9008063005 ....... 9008064005...........
7 ....... Pump Flange ................................
8 ....... Pump Flange Gasket ...................
9 ....... Condensate Trap ....................... 9008065005 ........ 9008065005 ....... 9008065005....... 9008065005 ....... 9008065005 .......9008065005
10 ...... Outlet Manifold .............................
11 ...... Inlet Manifold ................................
Air Vent
12 ......
13 ...... Flow Switch ...............................9005680205 ........ 9005680205 ....... 9005680205.....9005680205(2) ... 9005680205(2) ...9005680205(2)
....................................... 318902-000 ........ 318902-000 ........ 318902-000 ...... 318902-000(2) ....318902-000(2) ...318902-000(2)
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
..............
..............
..............
..............
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
..............
..............
..............
..............
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
.........212871-002(4) ....212871-002(4) ... 212871-005(4)
.........320276-000(2) ....320276-000(2) ... 320276-000(2)
...........320662-000 ........320662-000 ........ 320685-000
...........320662-000 ........320662-000 ........ 320685-000
- - - - - - -
.............
- - - - - - -
.............
- - - - - - -
13 5
10
12
1, 2
11
13
9
PRINTED 0711 4 of 8 321761-001
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INLET AND VENT CONNECTIONS
Item Description XW/XB 1000 XW/XB 1300 XW/XB 1700 XW/XB 2000 XW/XB 2600 XW/XB 3400
1 ....... Heat Exchanger Adapter * ............. 320171-000 ....... 320179-000 ........ 320179-000 ......... 320173-000 .......... 320179-000 ....... 320182-000
2 ....... Heat Exchanger Adapter ** ..............
3 ....... 90° Elbow ......................................320172-000 ....... 320183-000 ........ 320183-000 ......... 320172-000 .......... 320177-000 ....... 320177-000
4 ....... Vent Connector .................................
5 ....... Boot Tee Connector ..........................
6 ....... Boot Tee ............................................
7 ....... Inlet Air Terminal ........................... 321764-000 ....... 321764-000 ........ 321764-001 ......... 321764-001 ..........321764-001 ....... 321764-002
8 ....... Horizontal Vent Terminal ...............321765-000 ....... 321765-001 ........ 321765-001 ......... 321765-001 .......... 321765-001 ....... 321765-002
9 ....... Vertical Vent Cap ........................... 320884-000 ....... 320884-001 ........ 320884-001 ......... 320884-001 .......... 320884-001 ....... 320884-002
*Single or Upper
**Lower
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
6
.............
.............
.............
.............
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
..............
..............
..............
..............
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
8 97
............320171-000 .......... 320176-000 ....... 320176-000
............320170-000 .......... 320175-000 ........320175-000
............320174-000 .......... 320180-000 ........320181-000
............319412-000 .......... 319412-000 ........318971-000
1, 2 3
5
4
PRINTED 0711 5 of 8 321761-001
Page 6
NOTES
PRINTED 0711 6 of 8 321761-001
Page 7
NOTES
PRINTED 0711 7 of 8 321761-001
Page 8
A.O. Smith Water Heater Parts Fulllment
www.hotwater.com
1-800-433-2545
© 2010 A. O. Smith Corporation
PRINTED 0711 8 of 8 321761-001
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