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Common Replacement Parts (Residential)

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Product Image of Kit, Final Burner Assembly, 18", Lp, #45, 100210054
Kit, Final Burner Assembly, 18", Lp, #45, 100210054
SKU: 100210054
AO Smith
SKU: 100210054
Brand: AO Smith
$198.40 each
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Product Image of 34" Diptube Diffuser Kit, 3/4" x 3", 100217963
34" Diptube Diffuser Kit, 3/4" x 3", 100217963
SKU: 100217963
AO Smith
SKU: 100217963
Brand: AO Smith
$35.44 each
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Product Image of Computer Board, 110C, 100224114
Computer Board, 110C, 100224114
SKU: 100224114
AO Smith
SKU: 100224114
Brand: AO Smith
$180.79 each
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Product Image of Kit, Pressure Switch, N.c., -1.66"wc, 100224394
Kit, Pressure Switch, N.c., -1.66"wc, 100224394
SKU: 100224394
AO Smith
SKU: 100224394
Brand: AO Smith
$51.99 each
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Product Image of 2-1/2" Brass Ball Valve Drain Kit, 100263911
2-1/2" Brass Ball Valve Drain Kit, 100263911
SKU: 100263911
AO Smith
SKU: 100263911
Brand: AO Smith
$40.79 each
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Product Image of Kit, Fba, N3, Mfg40t40, Lp, Al Ext, 100265716
Kit, Fba, N3, Mfg40t40, Lp, Al Ext, 100265716
SKU: 100265716
AO Smith
SKU: 100265716
Brand: AO Smith
$138.74 each
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Product Image of Kit, Diptube, Ht2, 3/4"x5.5"npt, Pex, 100269972
Kit, Diptube, Ht2, 3/4"x5.5"npt, Pex, 100269972
SKU: 100269972
AO Smith
SKU: 100269972
Brand: AO Smith
$35.99 each
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Product Image of Kit, Thermistor, Inlet, Ek641, 100276682
Kit, Thermistor, Inlet, Ek641, 100276682
SKU: 100276682
AO Smith
SKU: 100276682
Brand: AO Smith
$6.06 each
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Product Image of Cap, Plug, 3/4"npt, Pe, Blk, 100042178
Cap, Plug, 3/4"npt, Pe, Blk, 100042178
SKU: 100042178
AO Smith
SKU: 100042178
Brand: AO Smith
$10.99 each
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Product Image of Harness, Main, Cc 120-250, 100055085
Harness, Main, Cc 120-250, 100055085
SKU: 100055085
AO Smith
SKU: 100055085
Brand: AO Smith
$148.80 each
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Product Image of Personal Protector, Short, 100110879
Personal Protector, Short, 100110879
SKU: 100110879
AO Smith
SKU: 100110879
Brand: AO Smith
$23.49 each
In Stock
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Product Image of PEX Diffuser Dip Tube Assembly 0.650 x 34", 100111192
PEX Diffuser Dip Tube Assembly 0.650 x 34", 100111192
SKU: 100111192
AO Smith
SKU: 100111192
Brand: AO Smith
$16.37 each
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Product Image of Kit, Final Burner Assembly, Lp, 18", #50 Orifice, 100111262
Kit, Final Burner Assembly, Lp, 18", #50 Orifice, 100111262
SKU: 100111262
AO Smith
SKU: 100111262
Brand: AO Smith
$140.78 each
In Stock
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Product Image of Kit, Fuse, 40a, 300v, Class G, 100111551
Kit, Fuse, 40a, 300v, Class G, 100111551
SKU: 100111551
AO Smith
SKU: 100111551
Brand: AO Smith
$48.85 each
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Product Image of Kit, Cable, Communication, 100076417
Kit, Cable, Communication, 100076417
SKU: 100076417
AO Smith
SKU: 100076417
Brand: AO Smith
$12.51 each
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Product Image of Kit, O-ring, P3, Fkm, 100076478
Kit, O-ring, P3, Fkm, 100076478
SKU: 100076478
AO Smith
SKU: 100076478
Brand: AO Smith
$5.82 each
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Product Image of Kit, Thermistor, Outlet, 100076542
Kit, Thermistor, Outlet, 100076542
SKU: 100076542
AO Smith
SKU: 100076542
Brand: AO Smith
$11.24 each
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Product Image of Kit, Flue Restrictor Ring, 4", 100108369
Kit, Flue Restrictor Ring, 4", 100108369
SKU: 100108369
AO Smith
SKU: 100108369
Brand: AO Smith
$24.21 each
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Product Image of Burner Head w/ Door Gasket, 100109206
Burner Head w/ Door Gasket, 100109206
SKU: 100109206
AO Smith
SKU: 100109206
Brand: AO Smith
(2)
$34.40 each
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Product Image of Dip Tube Kit, 100109604
Dip Tube Kit, 100109604
SKU: 100109604
AO Smith
SKU: 100109604
Brand: AO Smith
$37.75 each
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Product Image of Air Flow Wire Kit, 100109910
Air Flow Wire Kit, 100109910
SKU: 100109910
AO Smith
SKU: 100109910
Brand: AO Smith
$28.03 each
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Product Image of Kit, Clamp, Wire, 60, 100074233
Kit, Clamp, Wire, 60, 100074233
SKU: 100074233
AO Smith
SKU: 100074233
Brand: AO Smith
$6.65 each
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Product Image of Kit, Pan Screw M4x10, 100074247
Kit, Pan Screw M4x10, 100074247
SKU: 100074247
AO Smith
SKU: 100074247
Brand: AO Smith
$6.65 each
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Product Image of Kit, Heater, 100074407
Kit, Heater, 100074407
SKU: 100074407
AO Smith
SKU: 100074407
Brand: AO Smith
$6.99 each
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Product Image of Kit, Joint, L, 100074502
Kit, Joint, L, 100074502
SKU: 100074502
AO Smith
SKU: 100074502
Brand: AO Smith
$13.18 each
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Product Image of Kit, Cable, 24v For 540, T-h3, 100074658
Kit, Cable, 24v For 540, T-h3, 100074658
SKU: 100074658
AO Smith
SKU: 100074658
Brand: AO Smith
$23.99 each
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Product Image of Kit, Pipe, Drain
Kit, Pipe, Drain
SKU: 100074687
AO Smith
SKU: 100074687
Brand: AO Smith
$7.50 each
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Product Image of Kit, Sensor, Flow, 100076005
Kit, Sensor, Flow, 100076005
SKU: 100076005
AO Smith
SKU: 100076005
Brand: AO Smith
$119.93 each
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Product Image of Kit, Burner Assembly, 100076235
Kit, Burner Assembly, 100076235
SKU: 100076235
AO Smith
SKU: 100076235
Brand: AO Smith
$143.35 each
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Product Image of Kit, Gasket, Venturi, 100296938
Kit, Gasket, Venturi, 100296938
SKU: 100296938
AO Smith
SKU: 100296938
Brand: AO Smith
$6.22 each
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Product Image of Kit, Fba, 18", Nat, 3.75 Ext, #34, Tc, Bd, 100301660
Kit, Fba, 18", Nat, 3.75 Ext, #34, Tc, Bd, 100301660
SKU: 100301660
AO Smith
SKU: 100301660
Brand: AO Smith
$169.40 each
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Product Image of Kit, Screw, M4 X 8, Coated, 100076444
Kit, Screw, M4 X 8, Coated, 100076444
SKU: 100076444
AO Smith
SKU: 100076444
Brand: AO Smith
$13.16 each
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Product Image of Kit, Gasket, Element, Package Of 2, 100079754
Kit, Gasket, Element, Package Of 2, 100079754
SKU: 100079754
AO Smith
SKU: 100079754
Brand: AO Smith
$7.93 each
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Product Image of Kit, Nipple, Polaris, Bagged, 100093706
Kit, Nipple, Polaris, Bagged, 100093706
SKU: 100093706
AO Smith
SKU: 100093706
Brand: AO Smith
$42.41 each
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Product Image of Kit, T&p Valve, 3/4"m, 3"cav, 210f, 150psi, 10, 100108780
Kit, T&p Valve, 3/4"m, 3"cav, 210f, 150psi, 10, 100108780
SKU: 100108780
AO Smith
SKU: 100108780
Brand: AO Smith
$28.48 each
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Product Image of Orifice Kit, 100109440
Orifice Kit, 100109440
SKU: 100109440
AO Smith
SKU: 100109440
Brand: AO Smith
$12.37 each
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Product Image of Kit Flue Restrictor Ring, 4" Flue, 100110078
Kit Flue Restrictor Ring, 4" Flue, 100110078
SKU: 100110078
AO Smith
SKU: 100110078
Brand: AO Smith
$18.65 each
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Product Image of Kit, Pipe, Hot, 710, Asme, 100074500
Kit, Pipe, Hot, 710, Asme, 100074500
SKU: 100074500
AO Smith
SKU: 100074500
Brand: AO Smith
$30.72 each
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Product Image of Kit, Damper, Burner, Nat, 100074675
Kit, Damper, Burner, Nat, 100074675
SKU: 100074675
AO Smith
SKU: 100074675
Brand: AO Smith
$19.31 each
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Product Image of Kit, Fuse, Overheat Cutoff, 100076149
Kit, Fuse, Overheat Cutoff, 100076149
SKU: 100076149
AO Smith
SKU: 100076149
Brand: AO Smith
$46.65 each
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Product Image of Kit, Cover, Front, 100076225
Kit, Cover, Front, 100076225
SKU: 100076225
AO Smith
SKU: 100076225
Brand: AO Smith
$54.96 each
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Product Image of Kit, Gasket, Element, Gylon, 3504, 100338505
Kit, Gasket, Element, Gylon, 3504, 100338505
SKU: 100338505
AO Smith
SKU: 100338505
Brand: AO Smith
$61.95 each
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Product Image of Kit, Wire, Exhaust High Limit, EK886, 100342433
Kit, Wire, Exhaust High Limit, EK886, 100342433
SKU: 100342433
AO Smith
SKU: 100342433
Brand: AO Smith
(1)
$16.29 each
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Product Image of Kit, Coupling, Brass, Gas, Tankless, 100342441
Kit, Coupling, Brass, Gas, Tankless, 100342441
SKU: 100342441
AO Smith
SKU: 100342441
Brand: AO Smith
$15.18 each
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Product Image of 52" Drop-In Dip Tube, 100111031
52" Drop-In Dip Tube, 100111031
SKU: 100111031
AO Smith
SKU: 100111031
Brand: AO Smith
(9)
$17.60 each
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Product Image of Kit, Flue Baffle Assembly, W/7 Rest, 100111339
Kit, Flue Baffle Assembly, W/7 Rest, 100111339
SKU: 100111339
AO Smith
SKU: 100111339
Brand: AO Smith
(2)
$37.60 each
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Product Image of 28.5" Magnesium Anode Rod Kit (1.05" Diam.), 100111594
28.5" Magnesium Anode Rod Kit (1.05" Diam.), 100111594
SKU: 100111594
AO Smith
SKU: 100111594
Brand: AO Smith
$99.09 each
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Product Image of Final Burner Assembly Kit, NG, 100111680
Final Burner Assembly Kit, NG, 100111680
SKU: 100111680
AO Smith
SKU: 100111680
Brand: AO Smith
(1)
$103.06 each
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