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Water Heater (170)
Commercial Heater (259)
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Gas Valve Part (6)
Indirect Water Heater (4)
Pilot Assembly (101)
Pilot Tubing (5)

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$5 to $10 (294)
$10 to $15 (286)
$15 to $20 (234)
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AO Smith

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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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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, Elem, Bag, 5500w 240v, Screw In, Incly, 100093526
$34.78 each
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Product Image of Kit, Sensor, 180 Deg, Eco, 100093669
Kit, Sensor, 180 Deg, Eco, 100093669
SKU: 100093669
AO Smith
SKU: 100093669
Brand: AO Smith
$100.03 each
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Product Image of Kit, Box, Blower, Polaris, 119232, 100093699
$1,245.65 each
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Product Image of Inlet and Outlet Air Duct Kit, 100234320
Inlet and Outlet Air Duct Kit, 100234320
SKU: 100234320
AO Smith
SKU: 100234320
Brand: AO Smith
$338.97 each
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Product Image of Control Board
Control Board
SKU: 100263334
AO Smith
SKU: 100263334
Brand: AO Smith
$165.00 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 Kit, Assembly, Sensor, Moisture, Level, 4chamber, 100288271
$19.83 each
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Product Image of Kit, Gasket, Burner, Acb/scb 150, Acb/scb 199, 100296946
$11.46 each
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Product Image of Kit, Flange, Gas Valve, W/gasket, All, 100296958
$13.85 each
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Product Image of Kit, Uim Assembly-programmed/w Ethernet, 100312669
Kit, Uim Assembly-programmed/w Ethernet, 100312669
SKU: 100312669
AO Smith
SKU: 100312669
Brand: AO Smith
$485.28 each
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Product Image of Gasket & hardware, Polaris, Twister, 100313228
$62.49 each
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Product Image of Pilot Compression Nut Ferrule, 100108673
Pilot Compression Nut Ferrule, 100108673
SKU: 100108673
AO Smith
SKU: 100108673
Brand: AO Smith
$21.31 each
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Product Image of Pilot Assembly Kit (Natural Gas), 100108775
$174.53 each
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Product Image of 10.75" Corrogard Zinc-Plated Copper Mid-Line Screw-In Element, 240v 5500w, 100108967
$48.00 each
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Product Image of Draft Hood w/ Spider Legs, 100109667
Draft Hood w/ Spider Legs, 100109667
SKU: 100109667
AO Smith
SKU: 100109667
Brand: AO Smith
$37.75 each
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Product Image of Incoloy Nickel Base Premium Screw-In Element, 240V 5500W, 100109765
$64.70 each
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Product Image of Blower Assembly, 100109924
Blower Assembly, 100109924
SKU: 100109924
AO Smith
SKU: 100109924
Brand: AO Smith
$998.90 each
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Product Image of Blocked Inlet Switch, 100109933
Blocked Inlet Switch, 100109933
SKU: 100109933
AO Smith
SKU: 100109933
Brand: AO Smith
$54.34 each
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Product Image of Screw-In Element 5000 Watts, 480 Volts, 100110067
$55.35 each
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Product Image of Flanged Incoloy Element, 208V 18KW, 100110101
$484.34 each
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Product Image of Flanged Incoloy Element, 208V 15KW, 100110108
Flanged Incoloy Element, 208V 15KW, 100110108
SKU: 100110108
AO Smith
SKU: 100110108
Brand: AO Smith
(2)
$484.34 each
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Product Image of Flanged Incoloy Element, 240V 12KW, 100110120
$484.34 each
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Product Image of Kit, Pipe, Cold, 240/340, 100074688
Kit, Pipe, Cold, 240/340, 100074688
SKU: 100074688
AO Smith
SKU: 100074688
Brand: AO Smith
$29.54 each
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Product Image of Kit, Cable, Igniter, High Voltage, 100076034
$6.99 each
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Product Image of 120,000 BTU ATO-140H Condensing Ultra-Low NOx Outdoor Tankless Water Heater (LP)
$918.60 each
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Product Image of 50 Gallon HWR-50 ProLine Master Atmospheric Vent Residential Gas Water Heater Tall Model (NG)
$1,258.18 each
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Product Image of 65 Gallon BTR-305 305,000 BTU ASME Commercial Gas Water Heater (NG)
$13,444.00 each
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Product Image of 85 Gallon BTR-365 365,000 BTU ASME Commercial Gas Water Heater (NG)
$14,854.00 each
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Product Image of 30 Gallon DEL-30 Dura-Power Commercial Electric Water Heater - Lowboy (3PH, 6kW, 480V)
$2,135.41 each
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Product Image of 80 Gallon DVE-80 Lime Tamer Commercial Electric Water Heater - Upright (3PH, 24kW, 480V)
$7,223.22 each
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Product Image of DRE-80, 80 Gallon 15 KW Lime Tamer Commercial Electric Water Heater - Upright (3PH, 480V)
$6,782.59 each
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Product Image of 50 Gallon PNS-50 ProLine Residential Electric Water Heater, 10 Yr. Warranty - Short (1PH, 4.5kW, 240V)
$1,023.57 each
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Product Image of Kit, Conversion, 9 Elements, 5000w/480v, Apcom, 100109197
$705.04 each
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Product Image of Kit, Dip Tube, Pex, W/gasket, 40.5", 100112124
$16.40 each
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Product Image of Thermostat Replacement, 100112166
Thermostat Replacement, 100112166
SKU: 100112166
AO Smith
SKU: 100112166
Brand: AO Smith
$46.96 each
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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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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.