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Water Heater (170)
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Pilot Assembly (101)
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$5 to $10 (294)
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$15 to $20 (234)
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AO Smith

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Product Image of Kit, Control Board, User Interface, 100112811
$263.87 each
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Product Image of 1" NPT x 50.19" Dip Tube Kit, PP, Diffuser, 100113145
$61.19 each
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Product Image of Automatic Temp. Reset Limit, 100110233
Automatic Temp. Reset Limit, 100110233
SKU: 100110233
AO Smith
SKU: 100110233
Brand: AO Smith
$332.92 each
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Product Image of Electric Thermostat - Single Pole, Single Throw, 100110256
$380.80 each
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Product Image of Kit, Terminal Block, 100110608
Kit, Terminal Block, 100110608
SKU: 100110608
AO Smith
SKU: 100110608
Brand: AO Smith
$55.48 each
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Product Image of Switch-Blocked Outlet for BTH/SUF/HCG, Natural & Propane (60-120), Natural Only (100-150), 100111063
$82.85 each
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Product Image of Kit, Wire, Flame Rod, 100076341
Kit, Wire, Flame Rod, 100076341
SKU: 100076341
AO Smith
SKU: 100076341
Brand: AO Smith
$10.44 each
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Product Image of Kit, Blower, Polaris, 199k, Ametek, 100093637
$1,541.19 each
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Product Image of Kit, Burner, Nit, Acotech, 100s, 100093642
$548.56 each
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Product Image of Kit, Heating Element, 2500w, 240v, 6", Cp, 10, 100108339
$19.22 each
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Product Image of Kit, Conv, Lp To Nat Gas, Ng(u), 40-40, 100210079
Kit, Conv, Lp To Nat Gas, Ng(u), 40-40, 100210079
SKU: 100210079
AO Smith
SKU: 100210079
Brand: AO Smith
$274.60 each
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Product Image of Kit, T&p Valve, 3/4"m, 4.75"cav, 210f, 150psi, 100210082
$71.03 each
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Product Image of Manifold Gasket B, 100224103
Manifold Gasket B, 100224103
SKU: 100224103
AO Smith
SKU: 100224103
Brand: AO Smith
$11.52 each
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Product Image of Computer Board, 310C, 100224115
Computer Board, 310C, 100224115
SKU: 100224115
AO Smith
SKU: 100224115
Brand: AO Smith
$177.53 each
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Product Image of Kit, Air Pressure Switch, N.o., -1.25"wc, 100233301
$45.76 each
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Product Image of Kit, Final Burner Assembly, Nat, Fv, #36 Orifice, 100109251
$169.69 each
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Product Image of Nipple Cold Inlet Kit, 100109450
Nipple Cold Inlet Kit, 100109450
SKU: 100109450
AO Smith
SKU: 100109450
Brand: AO Smith
$26.08 each
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Product Image of 10.75" High-Watt Density Basic Screw-In Element, 240V 5500W, 100109633
$55.99 each
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Product Image of Flue Baffle Assembly, 100109675
Flue Baffle Assembly, 100109675
SKU: 100109675
AO Smith
SKU: 100109675
Brand: AO Smith
$142.40 each
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Product Image of Gasket, Heat Shield, 100187871
Gasket, Heat Shield, 100187871
SKU: 100187871
AO Smith
SKU: 100187871
Brand: AO Smith
$40.48 each
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Product Image of Burner System for BTL 275, 100191100
Burner System for BTL 275, 100191100
SKU: 100191100
AO Smith
SKU: 100191100
Brand: AO Smith
$1,639.30 each
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Product Image of Kit, Outlet, Water, 100074283
Kit, Outlet, Water, 100074283
SKU: 100074283
AO Smith
SKU: 100074283
Brand: AO Smith
$13.09 each
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Product Image of Kit, Switch, Power, On-off, Ac 120v, 100074326
$8.92 each
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Product Image of Kit, Gasket, Rod Holder, 100074608
Kit, Gasket, Rod Holder, 100074608
SKU: 100074608
AO Smith
SKU: 100074608
Brand: AO Smith
$9.58 each
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Product Image of Kit, Wire, Gas Valve, 100074651
Kit, Wire, Gas Valve, 100074651
SKU: 100074651
AO Smith
SKU: 100074651
Brand: AO Smith
$21.72 each
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Product Image of Kit, Heater, Inlet, Indoor, 100074683
Kit, Heater, Inlet, Indoor, 100074683
SKU: 100074683
AO Smith
SKU: 100074683
Brand: AO Smith
$22.96 each
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Product Image of 98 Gallon FCG-100 75,100 BTU ProLine High Recovery Residential Gas Water Heater, 6 Yr Warranty - Tall (NG)
$3,640.14 each
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Product Image of 85 Gallon BTR-365 365,000 BTU Commercial Gas Water Heater (NG)
$11,389.00 each
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Product Image of 75 Gallon BTXL-100 100,000 BTU Cyclone Xi Power Direct Vent Commercial Gas Water Heater (NG)
$7,181.66 each
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Product Image of 50 Gallon GCRX-50 60,000 BTU ProLine High Recovery Res. Water Heater w/ Side Conns., 6 Yr Warranty - Tall (NG)
$1,679.15 each
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Product Image of 199,000 BTU ATI-540P Condensing Ultra-Low NOx Indoor Tankless Water Heater w/ Integrated Recirc. Pump (NG)
$1,813.08 each
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Product Image of 120 Gallon SUNX-120 ProMax Residential Electric Indirect Solar Booster Water Heater - Tall, Requires Solar Panels (1PH, 4.5kW, 240V)
$3,789.99 each
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Product Image of Ignition Module Replacement, 100049254
Ignition Module Replacement, 100049254
SKU: 100049254
AO Smith
SKU: 100049254
Brand: AO Smith
$332.48 each
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Product Image of Kit, Final Burner Assembly, LP, 14", #53 BRL Orifice
$166.67 each
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Product Image of Kit, PCB, Gas, Tankless, EK905, 100342801
Kit, PCB, Gas, Tankless, EK905, 100342801
SKU: 100342801
AO Smith
SKU: 100342801
Brand: AO Smith
$205.29 each
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Product Image of Conversion, 1 Element, 6000w/ 208v, 3 Ph, 100346326
$199.17 each
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Product Image of Control, Assembly, Daughter Board, HVHP, 100358470
$186.66 each
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Product Image of Condensate Trap, Gas, Tankless, 100371168
Condensate Trap, Gas, Tankless, 100371168
SKU: 100371168
AO Smith
SKU: 100371168
Brand: AO Smith
$80.32 each
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Product Image of Kit, Vent, Attentuation Assembly, 100110789
$192.85 each
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Product Image of Low Natural Gas Pressure Switch Kit, 100110883
$126.54 each
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Product Image of Exhaust Connector, 100110908
Exhaust Connector, 100110908
SKU: 100110908
AO Smith
SKU: 100110908
Brand: AO Smith
(19)
$66.59 each
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Product Image of Exhaust Connector, 100110947
Exhaust Connector, 100110947
SKU: 100110947
AO Smith
SKU: 100110947
Brand: AO Smith
$60.82 each
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Product Image of Kit, Main Burner, 100110983
Kit, Main Burner, 100110983
SKU: 100110983
AO Smith
SKU: 100110983
Brand: AO Smith
$44.17 each
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Product Image of Blower Pressure Switch Kit, 100111021
Blower Pressure Switch Kit, 100111021
SKU: 100111021
AO Smith
SKU: 100111021
Brand: AO Smith
$46.22 each
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Product Image of 40" Dip Tube, 100111401
40" Dip Tube, 100111401
SKU: 100111401
AO Smith
SKU: 100111401
Brand: AO Smith
$32.99 each
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Product Image of Flame Sensor Kit, 100111979
Flame Sensor Kit, 100111979
SKU: 100111979
AO Smith
SKU: 100111979
Brand: AO Smith
$54.40 each
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Product Image of Combined Controller for BTH 500,104, 100112016
$826.99 each
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Product Image of Kit, Control Board, Main, 100112812
Kit, Control Board, Main, 100112812
SKU: 100112812
AO Smith
SKU: 100112812
Brand: AO Smith
$990.74 each
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More About AO Smith
A. O. Smith has manufactured high quality products and provided innovative hot water solutions for nearly 70 years. A. O. Smith patented the process for glass lining a water heater tank in 1936, and the glass-lined water heater remains the standard of the industry today.