COMMERCIAL GAS SERVICE PARTS LIST
MODELS:
BTH 120/A
BTH 150/A
BTH 199/A
BTH 250/A
Series:
A.O. Smith Water Heater Parts Fulfillment
125 Southeast Parkway • Franklin, TN 37068
www.hotwater.com • 1-800-433-2525
100/101
BTHCYCLONEXi-MODELBTH-120/A-250/A
DISPLAYCONTROLASSEMBLY
See Page 2
INNERCOVERCONTROLASSEMBLY
See Page 2
See Page 3
BLOWER/BURNERASSEMBLY
See Page 4 & 5
GASVALVE(S)
See Page 6
ELECTRONIC ANODE
See Page 7
EXHAUST ELBOWASSEMBLY-VENTKITASSEMBLY
See Page 7
PRINTED 0607
197728-001
BTH CYCLONE Xi 120/A - 250/A CLEANOUT ASSEMBLY / TEMPERATURE & PRESSURE VALVE
BTH120/A
100/101
BTH150/A
100/101
BTH199/A
100/101
BTH250/A
100/101
Item Description
1
2
3
4
CleanoutGasket......... 9004099015 .......... 9004099015 ........ 9004099015 ....... 9004099015
CleanoutPlate ............ 9004098005 .......... 9004098005 ........ 9004098005 ....... 9004098005
T & P Valve ................. 9005903205 .......... 9005903205 ........ 9005903205 ....... 9005903205
LowerProbe ............... 9006242015 .......... 9006242015 ........ 9006242015 ....... 9006242015
Standard hardware items may be purchased locally.
BTH CYCLONE Xi 120/A - 250/A - DISPLAY CONTROL ASSEMBLY
BTH120/A
100/101
BTH150/A
100/101
BTH199/A
100/101
BTH250/A
100/101
Item Description
1
2
3
4
5
6
7
BTHDisplayOverlay ..................................9006239005 ........ 9006239005...... 9006239005 ...... 9006239005
Display Band .............................................9006270005 ........ 9006270005...... 9006270005 ...... 9006270005
Display Band Mount...................................9006271015 ........ 9006271015...... 9006271015 ...... 9006271015
On/OffSwitch.............................................9005929215 ........ 9005929215...... 9005929215 ...... 9005929215
Splatter Shield ........................................... 197763-000 ........ 197763-000 .......197763-000 ...... 197763-000
Switch Wire Connection ............................. 197758-000 ........ 197758-000 .......197758-000 ...... 197758-000
User Interface Module - UIM.......................9006240005 ........ 9006240005...... 9006240005 ...... 9006240005
PRINTED0607
197728-001
2
BTH CYCLONE Xi INNER COVER CONTROL ASSEMBLY - MODELS 120/A & 150/A
BTH120/A
BTH150/A
Item
Description
100
101
100
101
1 ...... Controller ........................ 9006262005 ..... 9006266005 .......... 9006263005 ..... 9006267005
2 ...... Switch-blockedoutlet...... 9006287015 ..... 9006287015 .......... 9006289015 ..... 9006287015
3 ...... Switch-inlet ..................... 9006288015 ..... 9006281015 .......... 9006288015 ..... 9006281015
4 ...... Switch-prover .................. 9006280015 ..... 9006280015 .......... 9006280015 ..... 9006280015
5 ...... Upperprobe .................... 9004238215 ..... 9004238215 .......... 9004238215 ..... 9004238215
BTH CYCLONE Xi INNER COVER CONTROL ASSEMBLY - MODELS 199/A & 250/A
BTH199/A
BTH250/A
Item
Description
100
101
100
101
1 ...... Controller ........................ 9006264005 ..... 9006268005 .......... 9006265005 ..... 9006269005
2 ...... Switch-blockedoutlet...... 9006289015 ..... 9006282015 .......... 9006282015 ..... 9006282015
3 ...... Switch-inlet ..................... 9006288015 ..... 9006281015 .......... 9006281015 ..... 9006281015
4 ...... Switch-prover .................. 9006280015 ..... 9006280015 .......... 9006280015 ..... 9006280015
5 ...... Upperprobe .................... 9004238215 ..... 9004238215 .......... 9004238215 ..... 9004238215
Standard hardware items may be purchased locally.
PRINTED0607
197728-001
3
BURNER / BLOWER ASSEMBLY - MODELS 120/A & 150/A
BTH120/A
BTH150/A
Item
Description
100
101
100
101
1 ...... Blower ....................................................... 9006272005 ....... 9006272005 ........ 9006273005 ..... 9006273005
2 ...... Burner ....................................................... 9006275005 ....... 9006276005 ........ 9006277005 ..... 9006278005
3 ...... BurnerFlange ........................................... 197256-000.........197256-000 .........197256-000.......197256-000
4 ...... BurnerGasket .......................................... 197257-000.........197257-000 .........197257-000.......197257-000
5 ...... CondensateTee........................................ 181865-000.........181865-000 .........181865-000.......181865-000
6 ...... Coupling-PowerVent ................................ 9006107205 ....... 9006107205 ........ 9006107205 ..... 9006107205
7 ...... FlameSensor ........................................... 9006106205 ....... 9006106205 ........ 9006106205 ..... 9006106205
8 ...... Flange Gasket .......................................... 194817-000.........194817-000 .........194817-000.......194817-000
9 ...... Hose Barb 1/2" x 1/4" ............................... 181863-000.........181863-000 .........181863-000.......181863-000
10 ..... Igniter ........................................................ 9006101205 ....... 9006101205 ........ 9006101205 ..... 9006101205
11 ..... ObservationWindow ................................. 9006102215 ....... 9006102215 ........ 9006102215 ..... 9006102215
12 ..... Screen Wire.............................................. 9006027015 ....... 9006027015 ........ 9006027015 ..... 9006027015
13 ..... Stud 5-16-18 x 1 3/4" ................................ 196881-000.........196881-000 .........196881-000.......196881-000
14 ..... Truss Hd Machine Screw 1/4-20 x 1.00" ... 194816-000.........194816-000 .........194816-000.......194816-000
15 ..... ViewportGasket ....................................... 9006103215 ....... 9006103215 ........ 9006103215 ..... 9006103215
PRINTED 0607
197728-001
4
BLOWER / BURNER ASSEMBLY - MODELS 199/A & 250/A
BTH 199/A & 250/A
100
BTH 199/A & 250/A
101
Item
Description
1...... Blower Assembly...................................... 9006274005 ....................................... 9006274005
2...... Burner ....................................................... 9006279005 ....................................... 9006279005
3...... Burner-Adapter ........................................197607-000 ....................................... 197607-000
4...... Burner - Gasket A .....................................197618-000 ....................................... 197618-000
5...... BurnerFlange ............................................197611-000 ....................................... 197611-000
6...... Burner Gasket B........................................197257-000 ....................................... 197257-000
7...... CondensateTee ........................................181865-000 ....................................... 181865-000
8...... FlameSensor ........................................... 9006106205 ....................................... 9006106205
9...... Flange-Gasket ...........................................194817-000 ....................................... 194817-000
10 .... Gas Valve - Venturi Assembly .................. 9006285005 ....................................... 9006286005
11 .... Hose Barb .................................................181863-000 ....................................... 181863-000
12 .... Igniter ....................................................... 9006101205 ....................................... 9006101205
13 .... IntakeConnector .......................................197604-000 ....................................... 197604-000
14 .... Low gas switch ......................................... 9006255015 ....................................... 9006256015
15 .... ObservationWindow ................................. 9006102215 ....................................... 9006102215
16 .... Stud 5/16-18 x 1 3/4".................................196881-000 ....................................... 196881-000
17 .... Truss Hd. Mach. Screw 1/4-20 x 1.00 .......194816-000 ....................................... 194816-000
18 .... Venturi Gasket ..........................................197789-000 ....................................... 197789-000
19 .... VenturiMountingScrew .............................197790-000 ....................................... 197790-000
20 .... ViewportGasket ....................................... 9006103215 ....................................... 9006103215
21 .... Wire Screen ............................................. 9006027015 ....................................... 9006027015
*Item may be purchased from local hardware store.
PRINTED 0607
197728-001
5
GAS VALVE ASSEMBLY - MODELS 120/A
BTH120/A
100
BTH120/A
101
Item
Description
1...... GasValve ................................................. 9004535205 .......................................9004536205
2...... Orifice ....................................................... 9006259015 .......................................9006257015
3...... OrificeHolder ............................................ 9006094215 .......................................9006094215
4...... Switch-LowGasPressure ........................ 9006256015 .......................................9006255015
GAS VALVE ASSEMBLY - MODELS 150/A
BTH150/A
100
BTH150/A
101
Item
Description
1...... GasValve ................................................. 9006283005 .......................................9006284005
2...... Orifice ....................................................... 9006260015 .......................................9006258015
3...... OrificeHolder ............................................ 9006094215 .......................................9006094215
4...... Switch-LowGasPressure ........................ 9006256015 .......................................9006255015
PRINTED 0607
197728-001
6
EXHAUST CONNECTOR ASSEMBLY - MODELS 120/A - 250/A
BTH 120/A - 250/A
Item
Description
100 / 101
1...... ExhaustConnector ................................... 9006157205
2...... Exhaust Elbow Assembly......................... 9006261005
*2...... Exhaust Elbow Assembly (Canada) ......... 9006332005
3...... Tubing-Condensate ................................... 9006110215
*Effective July 1, 2008
VENT KIT ASSEMBLY - MODELS 120/A - 250/A
BTH 120/A - 250/A
Item
Description
100 / 101
1...... Exhaust Screen........................................ 9006027015
2...... Intake-ScreenCollarAssembly ................. 182162-000
3...... PVC 45 Degree Elbow ...............................181901-000
3...... PVC45DegreeElbow(Canada) ................197868-000
4...... Silicone..................................................... 9004366105
5...... Wall Plate................................................. 9004364105
ELECTRONIC ANODE ASSEMBLY - MODELS 120/A - 250/A
BTH120/A
100 / 101
BTH 150/A, 199/A, 250/A
100 / 101
Item
Description
1...... ElectronicAnode ........................................... - - - - -............................................9006246005
2...... ElectronicAnode ...................................... 9006247005 .......................................9006247005
PRINTED0607
197728-001
7
OPTIONAL VENT KIT ASSEMBLY FOR 4" VENTING (ALL MODELS) #9006311005 (U.S.)
BTH 120/A thru 250/A
Item
Description
100 / 101
1...... Silicone..................................................... 9004366105
2...... Wall Plate..................................................197392-000
3...... Vent Terminal Assembly 4" .......................197804-000
OPTIONAL VENT KIT ASSEMBLY FOR 4" VENTING (ALL MODELS) #9006339005 (CANADA)
BTH 120/A thru 250/A
Item
Description
100 / 101
1...... Silicone..................................................... 9004366105
2...... Wall Plate..................................................197392-000
3...... Vent Terminal Assembly 4" .......................197879-000
A.O. Smith Water Heater Parts Fulfillment
125 Southeast Parkway
Franklin, TN 37068
1-800-433-2545
PRINTED 0607
197728-001
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