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Parts List: A.O. Smith BTH-500A, Series 100/101

  • Links are included to the parts that are available to be purchased.
  • Parts that are not listed in the chart are either discontinued by AO Smith or are not available for purchase.
  • The item number in the first column corresponds to the location of the part in the line art drawing below the chart.

 

Cyclone Xi BTH Parts List

Item Description
BTH 500A
Series 100/101
3 Temperature and Pressure Relief Valve 9005903205 (new # 100110719)
NOTES:
- The manufacturer may change part numbers and availability at any time.

 

 

Cyclone Xi BTH Operating Controls and Wiring

Item Description
BTH 500A
Series 100/101
3 Display Board 9006240005 (new # 100111017)
4 Electronic Controller - Natural Gas 9006237005 (new # 100111014)
4 Electronic Controller - Propane 9006237005 (new # 100111014)
5 Switch, Blocked Inlet 9006243015 (new # 100111020)
6 Switch, Blower Prover 9006244015 (new # 100111021)
7 Switch, Blocked Outlet 9006007215 (new # 100110811)
8 VFP Assembly 9006245005 (new # 100111022)
9 Powered Anode - Short 9006247005 (new # 100111024)
10 Powered Anode - Long 9006246005 (new # 100111023)
12 Probe, Upper 9004238215 (new # 100109721)
13 Probe, Lower (not shown) 9006242015 (new # 100111019)

 

 

Gas Valve

Item Description
BTH 500A
Series 100/101
1 Switch, Low Gas Pressure 9006084215 (new # 100110883)
1 Switch, Low Gas Pressure - Propane 9004474215 (new # 100109876)
2 Valve, Natural Gas N/A
2 Valve, Propane 9006086205 (new # 100110885)
4 Orifice Holder 9006094215 (new # 100110892)

 

 

Blower/Burner Assembly

Item Description
BTH 500A
Series 100/101
1 Gasket 8 in. 9006095205 (new # 100110893)
2 Shield - Heat 9006096205 (new # 100110894)
3 Gasket - Insulation 9006097205 (new # 100110895)
4 Flange - Burner 9006098205 (new # 100110896)
5 Burner Assembly 9006099205 (new # 100110897)
7 Ignitor 9006101205 (new # 100110899)
11 Blower/Motor 9006114205 (new # 100110911)

 

 

Exhaust Elbow, Vent Kit and Blower Intake Parts

Item Description
BTH 500A
Series 100/101
1 Exhaust Elbow Assembly 9006109205 (new # 100111845)
2 Tubing 9006110215 (new # 100109886)
3 Connector, Exhaust 9006111205 (new # 100110908)
4 Intake/Vent Terminal 9006112205 (new # 100110909)

 

Download original AO Smith Parts List
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