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Directory: Catalog > AO Smith Repair Parts

A.O. Smith Water Heater Repair Parts

All AO Smith parts that we offer are listed below in numerical order. Please click on the part number you are looking for to get started:

Beginning with 1000:

Beginning with 1001:

Beginning with 1002:

  • 100209984: Air Pressure Switch, Normally Open
  • 100209985: Air Pressure Switch, Normally Closed
  • 100210005: Gas Valve, Natural Gas
  • 100210009: Blower Speed Adapter
  • 100210012: Powered Anode, .118 Dia X 7.87
  • 100210041: Pilot Thermopile Assembly
  • 100210064: Anode Outlet, 23 in., 5 in. Nipple/HT, AL
  • 100210066: Anode Outlet, 19 in., 5.5 in. Nipple/HT, MAG
  • 100210082: T&P Valve, 4.75 in. Cavity
  • 100210087: Gas Control Valve, Natural Gas
  • 100211941: Gas Valve, 1/2 in. Inlet
  • 100211948: Insulation Board, 2 Burner
  • 100211949: Ignition Pilot, 2 Burner
  • 100223203: Final Burner Assembly, 18 in., 3.5 in. Ext. AL, #34TP
  • 100223770: Thermostat, TOD, Elect., 181 Degree
  • 100223771: Thermostat, TOD, Elect., 120-181 Degree
  • 100224394: Pressure Switch, N.C., -1.66 in. WC
  • 100227399: Pressure Switch N.C.-2.12 in. WC
  • 100262938: Service, HW, N3, Gas Valve, Natural Gas, 1 in. CAV
  • 100262939: Service, HW, N3, Gas Valve, Natural Gas, 2 in., CAV
  • 100265713: FBA, N3, G40T40, Natural Gas, AL EXT
  • 100265720: FBA, N3, G50T40, Propane (LP), AL EXT
  • 100271885: Probe, Temp, Upper, with Integrated Conn.
  • 100271886: Probe, Temp, Lower, with Integrated Conn.
  • 100271887: FASCO GPM 7.9 Assembly
  • 100271888: Spark Igniter Assembly, Straight
  • 100271889: Spark Igniter Assembly, Angled
  • 100271921: Danfoss Ignition Transformer
  • 100271923: RG148 Enhanced Blower Assembly with O Press
  • 100275612: Paint, Window Grey
  • 100276386: Switch, Flow
  • 100281154: LP Conversion, 110C, 310C, 510C
  • 100281540: FBA, Natural Gas, 75 Gallon, Cast Iron
  • 100281574: Valve Assembly, HWL, Natural Gas, 2 in. CAV, 181 Deg., 4 in.
  • 100283579: Anode, MAG, 1 in. NPTX24 in., with Hex Bushing
  • 100284488: Spark Rod / Cable Assembly
  • 100288275: PWR Supply, Instant Elec, 5V, 1A
  • 100288279: Thermistor with O-Ring, Elec., Tankless
  • 100288281: Display, Assembly, as Purchased, Instant Electric
  • 100288310: Element, 7000W, 240V, with Gasket
  • 100288323: Element, 9000W, 240V, with Gasket
  • 100293211: Conversion, LTE/DCE, 2 Element, 4500W208V
  • 100293455: Pilot / Thermopile with Tubing, Natural Gas
  • 100296950: Fan, KH199-285/WH200-286 ACB/SCB 199
  • 100296971: Ignitor, with Gasket, All
  • 100299149: Heating Element 480/3PH or 277/1PH, 18KW

Beginning with 1003:

  • 100300397: SEC Anode Outlet, 16 in., .80 in. Dia., 5 in. NIP, MG
  • 100304360: MDA, 18 in. , Natural Gas, 3.75 in. EXT, 450D, TC, BFG40S, RS
  • 100306288: Hot Water Recirc. Sys., Retrofit, FT1
  • 100306289: Undersink Hot Water Recirc. Sys., UT1
  • 100306290: Hot Water Recirc. Sy.s / Return, RT1
  • 100309396: Thermost, PCB Assembly, Universal ET
  • 100313171: HVHP UIM/Control Board Assembly
  • 100324744: Powered Anode, RES-LG, Prod. Pres.
  • 100328010: Final Burner Assembly, Natural Gas, 14 in., 39BRL Orifice

Beginning with RM:

  • RM7897 A 1002: Honeywell Automatic Programming Burner Control (7800 Series)

 

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