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Directory: Catalog > A.O. Smith >
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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:
- 10007----
- 100074237: Ignitor
- 100074624: Valve, Flow Adjustment/Sensor, Flow
- 100076074: Sensor, Flow
- 10009----
- 100093631: Igniter Replacement, Universal
- 100093712: Ignition Control Relay, Polaris, 175/199K
- 100093794: Gas Control Valve, Natural Gas
- 100093801: Manifold Door Assembly, Natural Gas
- 100093812: FG, Door Switch, Natural Gas, FG50T40
- 100093823: Gas Control Valve, Propane (LP)
- 100093872: Igniter, PV
- 100093873: Gas Valve, Intellivent, Natural Gas, W/R
- 100093874: Gas Control Valve, Propane (LP)
- 100093983: Pilot/Thermopile with Tubing, JC, Propane
- 100093991: Final Burner Assembly, Natural Gas
- 100093992: Final Burner Assembly, Natural Gas
- 100093994: Final Burner Assembly, HWL, MFG30T30N
- 100094001: Final Burner Assembly, Natural Gas
- 100094002: Final Burner Assembly, HWL, BFG40S40N
Beginning with 1001:
- 100108---
- 100108299: Gas Installation Kit, 10 (Blisterpack)
- 100108346: Heating Element, 3800W, 240V, 13.125 in., Incoloy
- 100108348: W/R NAT. Res. Gas Control
- 100108354: Gas Control, Residential, Natural
- 100108440: Heating Element, 3000W, 240V, 12 in., Incoloy
- 100108571: Anode, 42 in., 3/4 in.NPT,.75 in. Diameter, KA-90 Alum
- 100108615: Drain Pan, 28 in. Diameter, Aluminum
- 100108660: Anode, 32 in., 3/4 in.NPT,.84 in. Diameter, Magnesium
- 100108683: Upper Thermostat with High Limit
- 100108796: Heating Element, 3800W, 240V, 13.3125 in., IN
- 100108831: Ignitor, Hot Surface, Electrode
- 100108951: Thermostat, with ECO & Cover, WH10C, Upper
- 100108952: Thermostat, with ECO & Cover, WH9C, Lower
- 100108954: Heating Element, 2500W, 120V, 8.125 in., Copper
- 100108977: Heating Element, 6000W, 480V, 13.125 in., Copper
- 100109---
- 100109139: Heating Element, 4500W, 240V, Sandhog, INC
- 100109157: Wall Mount
- 100109174: Conversion, 3 Elements, 3000W/240V, APCom
- 100109180: Conversion, 6 Elements, 4000W/240V, APCom
- 100109187: Conversion, 3 Elements, 6000W/480V, APCom
- 100109200: Final Burner Assembly, Natural Gas, FV, #33 Orifice
- 100109201: Final Burner Assembly, Natural Gas, FV, #33 Orifice
- 100109203: Final Burner Assembly, Natural Gas, FV, #33 Orifice
- 100109204: Final Burner Assembly, Natural Gas, FV, #31 Orifice
- 100109217: Gas Control Valve, Natural
- 100109219: Gas Control Valve, Propane (LP)
- 100109243: Pilot Assembly, FV, 180 Degree C, Propane
- 100109252: Final Burner Assembly, Propane (LP), FV, #50 Orifice
- 100109253: Pilot Assembly, FV, 170 Degree C, Propane
- 100109259: T&P Valve, 3/4 in.
- 100109261: Pilot Assembly, FV, 170 Degree C, Natural
- 100109286: Pilot Assembly, FV, 200 Degree C, Natural Gas
- 100109290: Pilot Assembly, FV, 180 Degree C, Natural Gas
- 100109293: Pilot Assembly, FV, 160 Degree C, Natural Gas
- 100109294: Pilot Assembly, FV, 160 Degree C, Propane (LP)
- 100109295: Pilot Assembly, FV, 190 Degree C, Natural Gas
- 100109298: Pilot Assembly, FV, 200 Degree C, Propane (LP)
- 100109300: Final Burner Assembly, Propane (LP), FV, #50 Orifice
- 100109308: Final Burner Assembly, Propane (LP), FV, #51 Orifice
- 100109312: Final Burner Assembly, Natural Gas, FV, #33 Orifice
- 100109314: Final Burner Assembly, Natural Gas, FV, #33 Orifice
- 100109315: Final Burner Assembly, Propane (LP), FV, #51 Orifice
- 100109316: Final Burner Assembly, Natural Gas, FV, #33 Orifice
- 100109318: Final Burner Assembly, Propane (LP), FV, #51 Orifice
- 100109326: Final Burner Assembly, Natural Gas, FV, #28 Orifice
- 100109355: Ignitor Assembly, Natural, 75
- 100109358: Gas Control Valve, Intellivent, Natural Gas
- 100109365: Gas Control Valve, Natural
- 100109367: Gas Control Valve, Propane (LP)
- 100109372: Gas Control Valve, Propane (LP)
- 100109424: Gas Control Valve, Intellivent, Natural Gas
- 100109446: Gas Control Valve, Natural Gas
- 100109467: Conversion, PCE/PCV, 1 Element, 2500W 277V
- 100109474: Conversion, PCE/PCV, 1 Element, 2500W 208V
- 100109476: Conversion, PCE/PCV, 1 Element, 3500W 208V
- 100109478: Conversion, PCE/PCV, 1 Element, 4500W 208V
- 100109504: Conversion, PCE/PCV, 2 Element, 4500W 208V
- 100109516: Conversion, PCE/PCV, 2 Element, 3000W 480V
- 100109520: Conversion, PCE/PCV, 2 Element, 6000W 480V
- 100109633: Heating Element, 4000W, 208V, 10.75 in., Copper
- 100109636: Heating Element, 6000W, 208V, 10.75 in., Copper
- 100109673: Blower Assembly, EPC
- 100109674: Gas Control Valve, Natural
- 100109677: Gas Control, Natural Gas
- 100109690: Gas Thermostat, Natural
- 100109718: Pilot Burner Assembly, Propane (LP)
- 100109721: Upper Probe
- 100109726: Lower Probe
- 100109740: Gas Control Valve, Intellivent, Natural Gas
- 100109745: Heating Element, 1500W, 120V, Sandhog, INC
- 100109754: Heating Element, 6000W, 240V, Sandhog, INC
- 100109756: Heating Element, 6000W, 208V, Sandhog, INC
- 100109761: Heating Element, 3500W, 240V, Sandhog, INC
- 100109777: Blower Assembly, FPSH, 40/50, Series 270
- 100109781: Gas Thermostat, Propane
- 100109783: Gas Control Valve, Natural
- 100109785: Blower and Motor Outline Boxed
- 100109812: Gas Control Valve, Natural
- 100109814: Pressure Switch, 2.5 in.
- 100109816: Switch, Pressure, 6.5 in.
- 100109824: Pilot, Natural
- 100109833: Solenoid
- 100109834: Gas Control Valve, Natural
- 100109844: Exhaust Assembly
- 100109856: Gas Control Smart Valve, Natural
- 100109857: Gas Control Smart Valve, Propane (LP)
- 100109859: Ignitor, Hot Surface
- 100109862: Exhaust Assembly
- 100109864: Blower Assembly
- 100109867: Gas Control Valve, Intellivent, Propane
- 100109868: Gas Control Valve, Intellivent, Natural Gas
- 100109876: Switch, Low Gas Pressure
- 100109877: Switch, Low Gas Pressure
- 100109879: IID Control
- 100109887: Ignition Control Module
- 100109899: Air Tube, 12 in.
- 100109906: Ignitor
- 100109908: Flame Sensor
- 100109909: G CTRL Gen 3&4 BNR, BTH150, 199, 199SBN
- 100109913: Gas Valve, Natural Gas
- 100109916: Dual Limit Control
- 100109920: Thermostat
- 100109924: Blower, BTH/SUF, 150/199
- 100109925: Switch, Blocked Inlet
- 100109926: Pilot Burner, Natural Gas
- 100109928: Pilot Burner, Propane (LP)
- 100109929: Module IID
- 100109932: Switch, Blocked Outlet
- 100109933: Switch, Blocked Inlet
- 100109934: Switch, Blocked Outlet
- 100109935: Flue Switch
- 100109941: Ignitor, Hot Surface
- 100109944: Ignition Board
- 100109945: Digital Thermostat
- 100109948: Ignitor, Hot Surface
- 100109962: Switch, Blower Prover
- 100109978: Ignitor Assembly
- 100110---
- 100110011: Thermal Switch Assembly
- 100110013: Switch, Air Pressure
- 100110036: Heating Element, 3500W, 240V, 10.75 in., Copper
- 100110046: Heating Element, 4500W, 240V, Sandhog, INC
- 100110068: Heating Element, 6000W, 480V, Sandhog, INC
- 100110069: Heating Element, 4000W, 480V, Sandhog, INC
- 100110072: Thermostat
- 100110083: Thermostat, Electric, 6-Screw
- 100110095: Water C/O
- 100110122: Heating Element, Comm, 480/15KW/3
- 100110123: Heating Element, Comm, 480/15KW/3
- 100110163: Circuit Board
- 100110218: Gas Control HW420-670 N
- 100110219: Gas Control, HW420-670, Propane (LP)
- 100110256: Thermostat with Well
- 100110266: Anode,.750 Diameter, Aluminum
- 100110273: Gas Control Valve, Intellivent, Natural Gas
- 100110275: Gas Control Valve, Intellivent, FVIR, Natural Gas
- 100110277: Gas Thermostat, Propane
- 100110278: Gas Control Valve, Natural
- 100110355: Ignitor, Field Replacement
- 100110458: Mag-Erad, 1 LB.
- 100110614: Wiring Harness
- 100110615: Switch, Blower Prover
- 100110627: Anode, 48 in., Flexible, Aluminum
- 100110692: Burner/Sleeve Assembly
- 100110701: Flame Rod
- 100110706: Gas Thermostat, Natural
- 100110707: Flame Sensor, Legend 1000 Only
- 100110714: T & P Valve, 150#, 3/4 in.
- 100110715: Inlet Switch
- 100110717: Transformer, 24 VAC, 40 VA
- 100110719: T & P Valve
- 100110722: Inlet Tube
- 100110724: Thermal Balancer
- 100110736: Switch, Blocked Outlet
- 100110738: T & P Relief Valve
- 100110753: Final Burner Assembly, Natural Gas, #32 Orifice
- 100110754: Final Burner Assembly, Natural Gas, #32 Orifice
- 100110757: Final Burner Assembly, Natural Gas, #31 Orifice
- 100110771: HSI Ignition Assembly
- 100110774: Gas Control Valve, Natural
- 100110775: Gas Thermostat, Propane
- 100110776: Gas Control Valve, Natural
- 100110777: Gas Thermostat, Propane
- 100110780: Sensor, Flammable Vapor
- 100110783: Pressure Switch
- 100110784: Anode, Flexible, 48 in., 3/4 in.NPT, Magnesium
- 100110789: Vent, Attentuation Assembly
- 100110795: Hot Surface Ignitor
- 100110799: Eiffikal Damper, 6 in., Cast Base
- 100110806: Blower Prover Switch, BTH 400
- 100110820: Switch, Air Pressure, 1.42 in.
- 100110825: Wire Harness
- 100110832: Sensor with Bracket, Flammable Vapor
- 100110849: Upper Probe
- 100110850: Lower Probe
- 100110857: Gas Valve, Natural Gas
- 100110867: Gas Valve, Natural Gas
- 100110883: Switch, Low Gas Pressure, Natural Gas
- 100110887: Switch, Blocked Outlet
- 100110893: Gasket 8 in.
- 100110899: Ignitor
- 100110904: Blower and Motor
- 100110927: Pilot Burner, PB-5P, 20 in. Wire, Natural
- 100110976: Burner Assembly
- 100110984: Pilot Assembly WR Nat with Tubing
- 100110997: Burner Head Mounted Pilot Field SRV
- 100111---
- 100111008: Electronic Control, BTH300N
- 100111010: Electronic Control, SUF300N
- 100111012: Electronic Control, BTH400NL
- 100111015: Electronic Control, SUF500NL
- 100111017: Display Board
- 100111019: Lower Probe
- 100111021: Blower Pressure Switch
- 100111023: Powered Anode Long
- 100111024: Powered Anode Short
- 100111032: Switch, Low Gas Pressure
- 100111033: Switch, Low Gas Pressure
- 100111038: Combined Controller, BTH 120, 100
- 100111039: Combined Controller, BTH 150, 100
- 100111040: Combined Controller, BTH 199, 100
- 100111041: Combined Controller, BTH 250, 100
- 100111044: Combined Controller, BTH 199, 101
- 100111049: Blower Assembly, BTH 150
- 100111050: Blower Assembly, BTH 199/250
- 100111055: Burner Assembly, BTH 199/250
- 100111056: Switch, Blower Prover
- 100111058: Switch, Blocked Outlet
- 100111061: Gas Valve/Venturi, BTH 199/250, 100
- 100111064: Switch, Blocked Inlet
- 100111065: Switch, Blocked Outlet
- 100111077: Controller, SUF 199, 100 Series
- 100111122: Ignitor Assembly, Hot Surface
- 100111184: Blower Assembly, Vertex 100
- 100111274: Communications Cable
- 100111302: Thermostat with ECO, WH10C, APCom, Upper
- 100111333: Final Burner Assembly, Natural Gas, 16 in., #29 Orifice
- 100111335: Final Burner Assembly, Natural Gas, 18 in., #37 Orifice
- 100111336: Final Burner Assembly, Natural Gas, 16 in., #37 Orifice
- 100111337: Final Burner Assembly, Natural Gas, 18 in., #37 Orifice
- 100111338: Final Burner Assembly, Propane (LP), 18 in., #51 Orifice
- 100111369: Gas Control Valve, Natural
- 100111371: Gas Control Valve, Natural
- 100111372: Gas Control Valve, Propane (LP)
- 100111381: Pilot Assembly with Tubing, Propane (LP)
- 100111395: Blower Assembly, Vertex
- 100111590: Quad Thermistor Tank Probe
- 100111593: Burner Gasket, Silicone
- 100111597: Gasket, Cleanout
- 100111631: Switch, Air Pressure,.82 in.
- 100111644: Ignitor
- 100111645: Wire Harness, with Silicone Grommet
- 100111651: Final Burner Assembly, Natural Gas, #31 Orifice
- 100111666: Final Burner Assembly, Natural Gas, #32 Orifice
- 100111708: Pilot Assembly with Tubing, Natural
- 100111732: Switch, Air Pressure,.75 in.
- 100111745: Silicone Gasket
- 100111778: PCB Assembly, with Base
- 100111830: Flame Rod
- 100111913: Gas Control Valve, Black Natural Gas
- 100111914: Switch, Air Pressure
- 100112---
- 100112701: Coupling Blower Outlet 3X3
- 100112706: Gas Control Valve, Natural Gas
- 100112746: Display Board
- 100113---
- 100113130: Non Return Valve
- 100113143: Switch, Blocked Inlet
- 100113150: Igniter, Series 130/131
- 100113151: Flame Sensor Rod
- 100113155: Power Supply Assembly
- 100113157: Transformer
- 100113158: Spark Module
- 100187---
- 100187858: Switch, Blower Prover, 1.0 in.
- 100187859: Switch, Blocked Outlet, 2.0 in.
- 100187862: AL Exhaust/Condensate Elbow, 3 in.
- 100187864: Blower Assembly
- 100187867: Gasket, Burner
- 100187874: Gas Valve/Venturi Assembly, Natural Gas
- 100187878: Gasket, Burner Plate
- 100187881: Spark Igniter Assembly
- 100187882: Flame Sensor
- 100187914: Final Burner Assembly, Natural Gas, 18 in., #34 Orifice
- 100187918: Final Burner Assembly, Natural Gas, 14 in., #37 Orifice
- 100187919: Final Burner Assembly, Natural Gas, 16 in., #37 Orifice
- 100187920: Final Burner Assembly, Propane (LP), 16 in., #51Orifice
- 100187922: Final Burner Assembly, Natural Gas, 18 in., #34 Orifice
- 100187931: Final Burner Assembly, Natural Gas, 16 in., #34 Orifice
- 100191120: Spark Igniter Assembly, Series 200/201
Beginning with 1002:
- 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
- 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
- 100262938: Service, HW, N3, Gas Valve, Natural Gas, 1 in. CAV
- 100262939: Service, HW, N3, Gas Valve, Natural Gas, 2 in., CAV
- 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
- 100281540: FBA, Natural Gas, 75 Gallon, Cast Iron
- 100281574: Valve Assembly, HWL, Natural Gas, 2 in. CAV, 181 Deg., 4 in.
- 100293211: Conversion, LTE/DCE, 2 Element, 4500W208V
- 100293455: Pilot / Thermopile with Tubing, Natural Gas
Beginning with 1003:
- 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
- 100312667: Service, PCP-IEC Blue Board
- 100324744: Powered Anode, RES-LG, Prod. Pres.
Beginning with RM:
- RM7897 A 1002: Honeywell Automatic Programming Burner Control (7800 Series)
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