A. O. Smith BTH-300A Parts List

CYCLONE XHE MODEL BTH-300A/400A/500A

See Page 2

COMMERCIAL WATER HEATER PARTS LIST

Model BTH-300A 100/101

Model BTH-400A 100/101

Model BTH-500A 101/104

OPERATING CONTROL

See Page 3- 4

EXHAUST ELBOW, VENT KIT & BLOWER INTAKE PARTS

See Page 6

GAS VALVE

See Page 5

BLOWER/BURNER ASSEMBLY

See Page 5

PRINTED 0711 318627-001

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CYCLONE XHE BTH 300A/400A/500A - PARTS LIST

BTH 300A BTH 400A BTH 500A
Item Description 100/101 100/101 101/104

1 ......... Cleanout Gasket ................................................. 9004099015 .................. 9004099015 .................. 9004099015

2 ......... Cover, Cleanout .................................................. 9004098005 .................. 9004098005 .................. 9004098005

3 ......... Temperature and Pressure Relief Valve ............... 9005903205 .................. 9005903205 .................. 9005903205

Standard hardware items may be purchased locally.

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CYCLONE XHE BTH 300A/400A - OPERATING CONTROLS & WIRING (See Next Page)

BTH 300A BTH 400A BTH 500A BTH 500A
Item Description 100/101 100/101 101 (LP) 104 (NAT)

1 ........ Switch, On/Off ..............................................9005929215 ........ 9005929215 ........ 9005929215 ...... 9005929215

2 ........ Display Overlay ............................................9006239005 ........ 9006239005 ........ 9006239005 ...... 9006239005

3 ........ Display Board ...............................................9006240005 ........ 9006240005 ........ 9006240005 ...... 9006240005

4 ........ Electronic Controller - Natural Gas ..............9006231005 ........ 9006235005 ............ ---------- .......... 9007442005

4 ........ Electronic Controller - LP .............................9006232005 ........ 9006235005 ........ 9006237005 .......... ----------

5 ........ Switch, blocked inlet .....................................9006083215 ........ 9006006215 ........ 9006243015 ...... 9006243015

6 ........ Switch, Blower Prover ..................................9004586215 ........ 9006002215 ........ 9006244015 ...... 9004586215

7 ........ Switch, blocked outlet ..................................9006087215 ........ 9006088215 ........ 9006007215 ...... 9006007215

8 ........ Variable Frequency Drive Assembly.................---------- ............ 9006245005 ........ 9006245005 ...... 9006245005

9 ........ Powered anode - short .................................9006247005 ........ 9006247005 ........ 9006247005 ...... 9006247005

10 ....... Powered anode - long ..................................9006246005 ........ 9006246005 ........ 9006246005 ...... 9006246005

11 .......Tubing - 1/4" silicone ....................................9006249015 ........ 9006249015 ........ 9006249015 ...... 9006249015

12 ....... Probe, upper ................................................9004238215 ........ 9004238215 ........ 9004238215 ...... 9004238215

13 ....... Probe, lower (not shown) .............................9006242015 ........ 9006242015 ........ 9006242015 ...... 9006242015

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GAS VALVE

BTH 300A BTH 400A BTH 500A BTH 500A
Item Description 100/101 100/101 101 104

1 ......... Switch, Low Gas Pressure ....... 9006084215 ............9006084215 ...........9006084215 ........... 9006084215

LP Gas ...................................... 9004474215 ............ 9004474215 ...........9004474215 ........... 9004474215

2 ......... Valve, Natural Gas .................... 9006085205 ............ 9006085215 ...............---------- ............... 9007295005

Valve, LP Gas ........................... 9006086205 ............ 9006086205 ...........9006086205 ........... 9006086205

3 ......... Orice, Natural Gas .................. 9006090215 ............9006091215 ...............---------- .......................N/A

Orice, LP Gas ......................... 9006092215 ............9006093215 ...........9006251015 ............... ----------

4 ......... Orice holder ............................ 9006094215 ............9006094215 ...........9006094215 ........... 9006094215

Standard hardware items may be purchased locally.

FOR BTH 300/400 100/101

BTH 500 101

FOR BTH 500 104

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BLOWER/BURNER ASSEMBLY

BTH 300A BTH 400A BTH 500A
Item Description 100/101 100/101 101/104

1 ......... Gasket 8" ............................................................ 9006095205 .................. 9006095205 .................. 9006095205

2 ......... Shield - Heat ....................................................... 9006096205 .................. 9006096205 .................. 9006096205

3 ......... Gasket - Insulation .............................................. 9006097205 .................. 9006097205 .................. 9006097205

4 ......... Flange - Burner ................................................... 9006098205 .................. 9006098205 .................. 9006098205

5 ......... Burner Assembly ................................................ 9006099205 .................. 9006099205 .................. 9006099205

6 ......... Gasket - Burner .................................................. 9006100205 .................. 9006100205 .................. 9006100205

7 ......... Ignitor .................................................................. 9006101205 .................. 9006101205 .................. 9006101205

8 ......... Window - Observation ........................................ 9006102215 .................. 9006102215 .................. 9006102215

9 ......... Gasket - Viewport ............................................... 9006103215 .................. 9006103215 .................. 9006103215

10 ........ Screw - Socket Head Cap .................................. 9006104215 .................. 9006104215 .................. 9006104215

11 ........ Blower/Motor ...................................................... 9006105205 .................. 9006114205 .................. 9006114205

12 ........ Sensor - Flame ................................................... 9006106205 .................. 9006106205 .................. 9006106205

13 ........ Coupling - Power Vent ........................................ 9006107205 .................. 9006107205 .................. 9006107205

14 ........ Blower Intake Reducer Assembly ....................... 9006108205 .................. 9006108205 .................. 9006108205

Standard hardware items may be purchased locally.

*: venturi for BTH 500 104 Series only.

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EXHAUST ELBOW, VENT KIT & BLOWER INTAKE PARTS

BTH 300A BTH 400A BTH 500A
Item Description 100/101 100/101 101/104

EXHAUST ELBOW AND FITTINGS

1 ......... Exhaust Elbow Assembly ................................... 9007246005 .................. 9007246005 .................. 9007246005

*1 ........ Exhaust Elbow Assembly (Canada) ................... 9006333005 .................. 9006333005 .................. 9006333005

2 ......... Connector, Exhaust ............................................ 9006111205 .................. 9006111205 .................. 9006111205

VENT KIT PARTS

3 ......... Intake/Vent Terminal ........................................... 9006112205 .................. 9006112205 .................. 9006112205

4 ......... Wall Plates (2 required) ...................................... 9006113205 .................. 9006113205 .................. 9006113205

5 ......... Silicone Sealer, 2 oz. tube .................................. 9004365105 .................. 9004365105 .................. 9004365105

6 ......... Exhaust Vent Terminal (US) ............................... 9006112205 .................. 9006112205 .................. 9006112205

6 ......... Exhaust Vent Terminal (Canada) ........................ 9006331005 .................. 9006331005 .................. 9006331005

* EFFECTIVE JULY 1, 2008

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NOTES:

A.O. Smith Water Heater Parts Fulllment

125 Southeast Parkway

Franklin, TN 37068

1-800-433-2545

www.hotwater.com