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Parts List: A.O. Smith BTH-250, BTH-250A, Series 100/101

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  • Part numbers that are no longer active in the AO Smith database are not included on the chart. In addition, some part numbers have changed to a new part number. Please see AO Smith New Part Cross Reference / Discontinued Part Guidelines for further assistance.
  • You can download and print the original PDF of the A.O. Smith parts list at the bottom of the page.

BTH Cyclone Xi Cleanout Assembly / Temperature & Pressure Valve

Item Description
BTH-250/A
100/101
1 Cleanout Gasket 9004099015 (new # 100109686)
2 Cleanout Plate 9004098005 (new # 100110656)
3 T & P Valve 9005903205 (new # 100110719)
4 Lower Probe 9006242015 (new # 100111019)
5 Thread Forming Screws 9004100215 (new # 100109688)
Standard hardware items may be purchased locally.

 

BTH Cylcone Xi - Display Control Assembly

 
Item Description
BTH-250/A
100/101
1 BTH Display Overly 9006239005 (new # 100111016)
2 Display Band 9006270005 (new # 100111046)
3 Display Band Mount 9006271015 (new # 100111047)
4 On/Off Switch 9005929215 (new # 100110744)
5 Splatter Shield 197763-000 (new # 100055437)
6 Switch Wire Connection 197823-000 (new # 100055581)
7 User Interface Module - UIM 9006240005 (new # 100111017)

 

 

BTH Cyclone Xi Inner Cover Control Assembly

Item Description
BTH-250/A
Series 100/101
1 Controller - Natural Gas 9006265005 (new # 100111041)
1 Controller - Propane 9006269005 (new # 100111045)
2 Switch-Blocked Outlet 9006282015 (new # 100111058)
3 Switch-Blocked Inlet 9006281015 (new # 100111057)
4 Switch-Blower Prover 9006280015 (new # 100111056)
5 Upper Probe 9004238215 (new # 100109721)
Standard hardware items may be purchased locally.

 

 

Burner / Blower Assembly

Item Description
BTH-250/A
Series 100/101
1 Blower Assembly 9006274005 (new # 100111050)
2 Burner 9006279005 (new # 100111055)
3 Burner - Adapter 197607-000 (new # 100055138)
4 Burner - Gasket A 197618-000 (new # 100111745)
5 Burner Flange 197611-000 (new # 100055824)
6 Burner Gasket B 197257-000 (new # 100111593)
7 Condensate Tee 181865-000 (new # 100055185)
8 Flame Sensor 9006106205 (new # 100110905)
9 Flange - Gasket 194817-000 (new # 100111744)
10 Gas Valve - Venturi Assembly - Natural Gas 9006285005 (new # 100111061)
10 Gas Valve - Venturi Assembly - Propane 9006286005 (new # 100111062)
11 Hose Barb 181863-000 (new # 100042120)
12 Ignitor 9006101205 (new # 100110899)
13 Intake Connector 197604-000 (new # 100055125)
14 Switch - Low Pressure Gas - Natural Gas 9006256015 (new # 100111033)
14 Switch - Low Pressure Gas - Propane 9006255015 (new # 100111032)
15 Observation Window 9006102215 (new # 100110901)
16 Stud 5/16-18 x 1-3/4 in. 196881-000 (new # 100054172)
17 Truss Hd. Mach. Screw 1/4-20 x 1.00 194816-000 (new # 100052263)
18 Venturi Gasket 197789-000 (new # 100055547)
20 Viewport Gasket 9006103215 (new # 100110902)
21 Mesh Wire Screen 9006027015 (new # 100110830)

 

 

Exhaust Connector Assembly (Diagram Below)
  Description BTH 120/A - 250/A
Series 100/101
1 Exhaust Connector 9006157205 (new # 100110947)
2 Exhaust Elbow Assembly (Canada) 9006332005 (new # 100111104)
3 Tubing - Condensate 9004490215 (new # 100109886)
 
Vent Kit Assembly (Diagram Below)
  Description BTH 120/A - 250/A
Series 100/101
1 Exhaust Screen 9006027015 (new # 100110830)
2 Intake - Screen Collar Assembly 182162-000 (new # 100042179)
3 PVC 45 Degree Elbow 181901-000 (new # 100042127)
4 Silicone 9004365105 (new # 100109821)
5 Wall Plate 9004364105 (new # 100109820)
 
Electronic Anode Assembly (Diagram Below)
  Description BTH 120/A
Series 100/101
2 Electronic Anode 9006559005 (new # 100111286)
Optional Vent Assembly (Diagram Below)
  Optional Vent Kit Assembly for 4 in. Venting (All Models) - Silicone, Wall Plate, Vent Terminal Assembly 4 in. 9006311005 (new # 100111086)
NOTES:
- The manufacturer may change part numbers and availability at any time.

 

 

 

Download original AO Smith Parts List
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