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Parts List: A.O. Smith BTH-150, Series 973

  • 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.


Item Description
BTH-150
Series 973
4 Top Cover, Left 193885 (new # 100051414)
5 Top Cover, Right 193886 (new # 100051415)
8 T & P Relief Valve 99465-7 (new # 100110714)
9 Upper Temperature Probe with ECO 192606 (new # 100109721)
10 Lower Temperature Probe 192609 (new # 100109726)
11 Anode, Alum. Alloy (4) 183523-52 (new # 100110266)
50 Gas Valve, Propane 192454-1 (new # 100109958)
56 Tubing 191746-72 (new # 100109886)
57 Connector, Exhaust 192636 (new # 100110947)
62 Screen 181662 (new # 100110830)
63 Intake Vent Terminal Assembly 182167 (new # 100109923)
67 Ignitor Assembly 192638 (new # 100109906)
71 Flame Rod Assembly 192478 (new # 100110701)
74 Orifice Holder 192447 (new # 100110892)
NOTES:
- The manufacturer may change part numbers and availability at any time.

 

 

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