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Parts List: A.O. Smith BTH-250, Series 970

  • Use the chart to find the part you need to order. A diagram of the unit is below the chart to assist you in locating your part.
  • Click on the underlined link to go directly to the part's page for pricing and ordering.
  • For parts that are not underlined and do not have a link, please Contact Us for price and availability.
  • The manufacturer has changed some part numbers to a new part number, and we have referenced the new part number in the chart (if applicable). Please note that the manufacturer may change part numbers and availability at any time.
  • You can download and print the original PDF of the A.O. Smith parts list at the bottom of the page.



Item Description
BTH-250
Series 970
1 Cleanout Cover 181260 (new # 9003900005)
2 Cleanout Gasket 99038 (new # 9004099215)
3 Cleanout Plate 99037 (new # 9005797205)
4 Top Cover, Left 193885 (new # 193885-000)
5 Top Cover, Right 193886 (new # 193886-000)
6 Top Cover, Natural Gas 193887 (new # 193887-000)
7 Drain Valve 26273-6 (new # 9003907015)
8 T & P Relief Valve 192467 (new # 9005903205)
9 Upper Temperature Probe with ECO 192606 (new # 9004238215)
10 Lower Temperature Probe 192609 (new # 9004241215)
11 Anode, Alum. Alloy (4) 183523-52 (new # 9005095205)
14 - 44 Control Panel and Assessories: Contact Us for part number and pricing.
  Gas Valve:  
45 Nipple, Pipe 3/4 in. 85040-18 (new part # 085040-018)
46 Nipple, Pipe 1/8 in. 192948
47 Union, Pipe 95515 (new # 095515-000)
48 Switch, Low Gas Pressure, Natural Gas 191149-5 (new # 9004475215)
49 Tee, 1/8 in. 40119 (new # 040119-000)
50 Gas Valve, Natural Gas 192454
  Exhaust Elbow, Vent Kit Parts:  
51 Adapter, Hose Fitting 192472 (new # 9004511215)
52 Elbow 90° 192473 (new # 9005917205)
53 Nipple, Close 194558 (new # 194558-000)
54 Plug, Hex 194560 (new # 194560-000)
55 Tee 194559 (new # 194559-000)
56 Tubing 191746-72 (new # 9004490215)
57 Connector, Exhaust 192636 (new # 9006157205)
58 Hose Clamp, 3 in. 192696 (new # 9006158215)
59 Hose Clamp, 4-1/2 in. 192697 (new # 9006159215)
  Vent Kit Parts:  
60 Elbow with Screen 192815 (new # 9001957005)
61 Elbow, 45° x 3.5 in. 181901 (new # 181901-000)
62 Screen 181662 (new # 9006027015)
63 Intake Vent Terminal Assembly 182167 (new # 9004538205)
64 Wall Plate (2 required) 181557 (new # 9004364105)
65 Silicone Sealer, 2 oz. Tube 181564 (new # 9004365105)
  Burner Assembly:  
66 Burner 193250 (new # 9005824205)
67 Ignitor Assembly 192638 (new # 9004519205)
68 Air Deflector - Natural Gas NR
69 Air Restrictor - Natural Gas 192450-2 (new # 192450-002)
70 Hose Barb 192800-1 (new # 192800-001)
71 Flame Rod Assembly 192478 (new # 9005886215)
72 Screw, Self-Tapping #8-18 (2 required) 192698 (new # 039051-001)
73 Orifice - Natural Gas 192477-3 (new # 9005730215)
74 Orifice Holder 192447 (new # 9006094215)
75 Gasket 192331 (new # 192331-000)
NOTES:
- The manufacturer may change part numbers and availability at any time.

 

 

Download original AO Smith Parts List
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