A.O. Smith

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Discover a full line-up of water heaters to complete every job. A. O. Smith products provide durable and reliable hot water with commercial-grade components and easy-to-use technical support at the unit.
Featured A. O. Smith Water Heater Categories
A.O. Smith electric water heater
Electric Water Heaters
A.O. Smith gas water heater
Gas Water Heaters
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Heat Pump Water Heaters
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Tankless Water Heaters
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A. O. Smith Smith commercial water heater Commercial Water Heaters
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Plumber installs A. O. Smith water heater in residential home.
Water Heaters to Fit Residential Needs The full selection of A. O. Smith water heaters offers a wide range of innovative solutions to meet any residential application. Shop now and earn 4X PRO Plus™ points on eligible products.
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291 Products

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291 Products

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50 gal. Tall 4.5kW 2-Element Electric Water Heater
A.O. Smith ProLine®

50 gal. Tall 4.5kW 2-Element Electric Water Heater
Part #AENT50202172000
Item #5076654
Mfr. Part #100336387
4 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Your product has been successfully added to the list
Your products have been successfully added to the list
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40 gal. Tall 40 MBH Residential Natural Gas Water Heater
A.O. Smith ProLine®

40 gal. Tall 40 MBH Residential Natural Gas Water Heater
Part #AGCR4000L010000N
Item #5086278
Mfr. Part #100361442
3.3 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Your product has been successfully added to the list
Your products have been successfully added to the list
Your product has been successfully added to the new list you created,
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50 gal. Tall 4.5kW 2-Element Electric Water Heater
A.O. Smith ProLine®

50 gal. Tall 4.5kW 2-Element Electric Water Heater
Part #AENT50202172S45
Item #5076862
Mfr. Part #100336474
4.1 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Your product has been successfully added to the list
Your products have been successfully added to the list
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100 gal. 199 MBH Commercial Natural Gas Water Heater
A.O. Smith Cyclone® FLEX™

100 gal. 199 MBH Commercial Natural Gas Water Heater
Part #ABTH19900N000000F
Item #12237268
Mfr. Part #100339234
4.6 out of 5 Customer Rating
  • Requires Certification

  • Green

 Points
EACH
Requires Certification
Your product has been successfully added to the list
Your products have been successfully added to the list
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40 gal. Short 40 MBH Residential Natural Gas Water Heater
A.O. Smith ProLine®

40 gal. Short 40 MBH Residential Natural Gas Water Heater
Part #AGCRL4000L010000N
Item #5086269
Mfr. Part #100327516
3.3 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Your product has been successfully added to the list
Your products have been successfully added to the list
Your product has been successfully added to the new list you created,
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80 gal. Tall 12.2 kW Light Duty Commercial Electric Water Heater
A.O. Smith

80 gal. Tall 12.2 kW Light Duty Commercial Electric Water Heater
Part #ALTE8040R024000
Item #9678300
Mfr. Part #100297872
4 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Your product has been successfully added to the list
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40 gal. Short 4.5kW 2-Element Electric Water Heater
A.O. Smith ProLine®

40 gal. Short 4.5kW 2-Element Electric Water Heater
Part #AENS40202172S45
Item #5076724
Mfr. Part #100227537
4.8 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Your product has been successfully added to the list
Your products have been successfully added to the list
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    Available
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    Not available in 'OH'
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    Not available at this time
40 gal. Tall 40 MBH Residential Natural Gas Water Heater
A.O. Smith ProLine®

40 gal. Tall 40 MBH Residential Natural Gas Water Heater
Part #AGCR4000L010S45
Item #5076678
Mfr. Part #100361531
3.6 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Your product has been successfully added to the list
Your products have been successfully added to the list
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    Not available at this time
50 gal. Tall 4.5 kW Hybrid Electric Heat Pump Water Heater
A.O. Smith ProLine

50 gal. Tall 4.5 kW Hybrid Electric Heat Pump Water Heater
Part #AHPTS50202172S41
Item #12385901
Mfr. Part #100393120
5 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Your product has been successfully added to the list
Your products have been successfully added to the list
Your product has been successfully added to the new list you created,
Your products have been successfully added to the new list you created,
You've reached more than half the max number of items allowed in a list (>250/500).
Log in or Create an Account to see product availability.
How to get it:
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    0  Available
    0 nearby
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    0  Available
    0 nearby
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    Available
    Shipping Not Available
    Not available in 'OH'
    Shipping Not Available
    Not available at this time
40 gal. Tall 40 MBH Residential Natural Gas Water Heater
A.O. Smith ProLine®

40 gal. Tall 40 MBH Residential Natural Gas Water Heater
Part #AGUC4000L010G41
Item #5096695
Mfr. Part #100351144
4.7 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Your product has been successfully added to the list
Your products have been successfully added to the list
Your product has been successfully added to the new list you created,
Your products have been successfully added to the new list you created,
You've reached more than half the max number of items allowed in a list (>250/500).
Discontinued
How to get it:
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    0  Available
    0 nearby
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    0  Available
    0 nearby
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    Not Available
    Shipping Not Available
    Not available in 'OH'
    Shipping Not Available
    Not available at this time
40 gal. Tall 40 MBH Residential Natural Gas Water Heater
A.O. Smith ProLine®

40 gal. Tall 40 MBH Residential Natural Gas Water Heater
Part #AGCR4000L010S19
Item #5076656
Mfr. Part #100361446
5 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Your product has been successfully added to the list
Your products have been successfully added to the list
Your product has been successfully added to the new list you created,
Your products have been successfully added to the new list you created,
You've reached more than half the max number of items allowed in a list (>250/500).
Out of Stock
How to get it:
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    0  Available
    0 nearby
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    Pick Up  Not Available
    0  Available
    0 nearby
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    Not Available
    Shipping Not Available
    Not available in 'OH'
    Shipping Not Available
    Not available at this time
38 gal. Lowboy 4.5kW 2-Element Top-Connect Electric Water Heater
A.O. Smith ProLine®

38 gal. Lowboy 4.5kW 2-Element Top-Connect Electric Water Heater
Part #AENLB40202172000
Item #5076793
Mfr. Part #100295340
4.4 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Your product has been successfully added to the list
Your products have been successfully added to the list
Your product has been successfully added to the new list you created,
Your products have been successfully added to the new list you created,
You've reached more than half the max number of items allowed in a list (>250/500).
Log in or Create an Account to see product availability.
How to get it:
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    0  Available
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    0  Available
    0 nearby
  • Shipping
    Available
    Shipping Not Available
    Not available in 'OH'
    Shipping Not Available
    Not available at this time
50 gal. Tall 4.5kW 2-Element Electric Water Heater
A.O. Smith ProLine®

50 gal. Tall 4.5kW 2-Element Electric Water Heater
Part #AENT50202172S19
Item #5076840
Mfr. Part #100336388
3.7 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Your product has been successfully added to the list
Your products have been successfully added to the list
Your product has been successfully added to the new list you created,
Your products have been successfully added to the new list you created,
You've reached more than half the max number of items allowed in a list (>250/500).
Log in or Create an Account to see product availability.
How to get it:
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    0  Available
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    0  Available
    0 nearby
  • Shipping
    Available
    Shipping Not Available
    Not available in 'OH'
    Shipping Not Available
    Not available at this time
40 gal. Short 4.5kW 2-Element Electric Water Heater
A.O. Smith ProLine®

40 gal. Short 4.5kW 2-Element Electric Water Heater
Part #AENS40202172000
Item #5076744
Mfr. Part #100223847
4 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Your product has been successfully added to the list
Your products have been successfully added to the list
Your product has been successfully added to the new list you created,
Your products have been successfully added to the new list you created,
You've reached more than half the max number of items allowed in a list (>250/500).
How to get it:
  • Pick Up
    0  Available
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    0  Available
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    Available
    Log in or Create an Account
    Shipping Not Available
    Not available in 'OH'
    Shipping Not Available
    Not available at this time
50 gal. Tall 4.5kW 2-Element Electric Water Heater
A.O. Smith ProLine®

50 gal. Tall 4.5kW 2-Element Electric Water Heater
Part #AENT50202172S41
Item #5076859
Mfr. Part #100336390
4.7 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Your product has been successfully added to the list
Your products have been successfully added to the list
Your product has been successfully added to the new list you created,
Your products have been successfully added to the new list you created,
You've reached more than half the max number of items allowed in a list (>250/500).
Log in or Create an Account to see product availability.
How to get it:
  • Pick Up
    0  Available
    0 nearby
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    Not available in 'OH'
    Pick Up  Not Available
    0  Available
    0 nearby
  • Shipping
    Available
    Shipping Not Available
    Not available in 'OH'
    Shipping Not Available
    Not available at this time
50 gal. Tall 50 MBH Residential Natural Gas Water Heater
A.O. Smith ProLine® XE

50 gal. Tall 50 MBH Residential Natural Gas Water Heater
Part #AGPVT5000L010000
Item #3103126
Mfr. Part #100114769
4.3 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Your product has been successfully added to the list
Your products have been successfully added to the list
Your product has been successfully added to the new list you created,
Your products have been successfully added to the new list you created,
You've reached more than half the max number of items allowed in a list (>250/500).
How to get it:
  • Pick Up
    0  Available
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    Pick Up  Not Available
    Not available in 'OH'
    Pick Up  Not Available
    0  Available
    Available Nearby
  • Shipping
    Available
    Log in or Create an Account
    Shipping Not Available
    Not available in 'OH'
    Shipping Not Available
    Not available at this time
50 gal. Tall 40 MBH Residential Natural Gas Water Heater
A.O. Smith ProLine®

50 gal. Tall 40 MBH Residential Natural Gas Water Heater
Part #AGCG5000L010S83
Item #5096544
Mfr. Part #100210358
4 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Your product has been successfully added to the list
Your products have been successfully added to the list
Your product has been successfully added to the new list you created,
Your products have been successfully added to the new list you created,
You've reached more than half the max number of items allowed in a list (>250/500).
Out of Stock
How to get it:
  • Pick Up
    0  Available
    0 nearby
    Pick Up  Not Available
    Not available in 'OH'
    Pick Up  Not Available
    0  Available
    0 nearby
  • Shipping
    Not Available
    Shipping Not Available
    Not available in 'OH'
    Shipping Not Available
    Not available at this time
50 gal. Tall 40 MBH Residential Natural Gas Water Heater
A.O. Smith

50 gal. Tall 40 MBH Residential Natural Gas Water Heater
Part #AGUC5000L010G41NG
Item #14347746
Mfr. Part #100389793
3.1 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Your product has been successfully added to the list
Your products have been successfully added to the list
Your product has been successfully added to the new list you created,
Your products have been successfully added to the new list you created,
You've reached more than half the max number of items allowed in a list (>250/500).
Out of Stock
How to get it:
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    0 nearby
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    Not available in 'OH'
    Pick Up  Not Available
    0  Available
    0 nearby
  • Shipping
    Not Available
    Shipping Not Available
    Not available in 'OH'
    Shipping Not Available
    Not available at this time
50 gal. Tall 40 MBH Residential Natural Gas Water Heater
A.O. Smith ProLine®

50 gal. Tall 40 MBH Residential Natural Gas Water Heater
Part #AXCG5000L010000
Item #5076792
Mfr. Part #100191296
3.3 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Your product has been successfully added to the list
Your products have been successfully added to the list
Your product has been successfully added to the new list you created,
Your products have been successfully added to the new list you created,
You've reached more than half the max number of items allowed in a list (>250/500).
Out of Stock
How to get it:
  • Pick Up
    0  Available
    0 nearby
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    Not available in 'OH'
    Pick Up  Not Available
    0  Available
    0 nearby
  • Shipping
    Not Available
    Shipping Not Available
    Not available in 'OH'
    Shipping Not Available
    Not available at this time
75 gal. Tall 76 MBH Residential Natural Gas Water Heater
A.O. Smith ProLine® XE

75 gal. Tall 76 MBH Residential Natural Gas Water Heater
Part #AGPVX75L00L010000
Item #4502118
Mfr. Part #100310836
3.8 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Your product has been successfully added to the list
Your products have been successfully added to the list
Your product has been successfully added to the new list you created,
Your products have been successfully added to the new list you created,
You've reached more than half the max number of items allowed in a list (>250/500).
How to get it:
  • Pick Up
    0  Available
    Available Nearby
    Pick Up  Not Available
    Not available in 'OH'
    Pick Up  Not Available
    0  Available
    Available Nearby
  • Shipping
    Available
    Log in or Create an Account
    Shipping Not Available
    Not available in 'OH'
    Shipping Not Available
    Not available at this time
50 gal. Tall 4.5kW 2-Element Electric Water Heater
A.O. Smith ProLine®

50 gal. Tall 4.5kW 2-Element Electric Water Heater
Part #AENT50202172S83
Item #5076664
Mfr. Part #100336417
4.1 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Your product has been successfully added to the list
Your products have been successfully added to the list
Your product has been successfully added to the new list you created,
Your products have been successfully added to the new list you created,
You've reached more than half the max number of items allowed in a list (>250/500).
Log in or Create an Account to see product availability.
How to get it:
  • Pick Up
    0  Available
    0 nearby
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    Not available in 'OH'
    Pick Up  Not Available
    0  Available
    0 nearby
  • Shipping
    Available
    Shipping Not Available
    Not available in 'OH'
    Shipping Not Available
    Not available at this time
80 gal. Tall 4.5 kW Residential Electric Water Heater
A.O. Smith Voltex®

80 gal. Tall 4.5 kW Residential Electric Water Heater
Part #AHPTS80202172000E
Item #14105725
Mfr. Part #100393134
5 out of 5 Customer Rating
  • Requires Certification

  • Green

 Points
EACH
Requires Certification
Your product has been successfully added to the list
Your products have been successfully added to the list
Your product has been successfully added to the new list you created,
Your products have been successfully added to the new list you created,
You've reached more than half the max number of items allowed in a list (>250/500).
Log in or Create an Account to see product availability.
How to get it:
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    0  Available
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    Pick Up  Not Available
    0  Available
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  • Shipping
    Available
    Shipping Not Available
    Not available in 'OH'
    Shipping Not Available
    Not available at this time
28 gal. Lowboy 4.5kW 2-Element Top-Connect Electric Water Heater
A.O. Smith ProLine®

28 gal. Lowboy 4.5kW 2-Element Top-Connect Electric Water Heater
Part #AENL30202172000
Item #5076690
Mfr. Part #100295405
4 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Your product has been successfully added to the list
Your products have been successfully added to the list
Your product has been successfully added to the new list you created,
Your products have been successfully added to the new list you created,
You've reached more than half the max number of items allowed in a list (>250/500).
Out of Stock
How to get it:
  • Pick Up
    0  Available
    0 nearby
    Pick Up  Not Available
    Not available in 'OH'
    Pick Up  Not Available
    0  Available
    0 nearby
  • Shipping
    Not Available
    Shipping Not Available
    Not available in 'OH'
    Shipping Not Available
    Not available at this time
50 gal. Short 4.5kW 2-Element Electric Water Heater
A.O. Smith ProLine®

50 gal. Short 4.5kW 2-Element Electric Water Heater
Part #AENS50202172S41
Item #5096538
Mfr. Part #100228455
3.3 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Your product has been successfully added to the list
Your products have been successfully added to the list
Your product has been successfully added to the new list you created,
Your products have been successfully added to the new list you created,
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