A.O. Smith Water Heaters

RheemMCImage

Now Stocking Rheem® Tankless Water Heaters

Rheem® gas tankless water heaters and accessories are in stock and ready to ship!

Shop Water Heaters by Type

Gas Tank Water Heaters Gas Tank Water Heaters
Electric Tank Water Heaters Electric Tank Water Heaters
Gas Tankless Water Heaters Gas Tankless Water Heaters
Electric Tankless Water Heaters Electric Tankless Water Heaters
Commercial Water Heaters Commercial Water Heaters
Hybrid Water Heaters Hybrid Water Heaters
Indirect-Fired Water Heaters Indirect-Fired Water Heaters
Energy Star Compliant Water Heaters Energy Star Compliant Water Heaters

Shop Water Heater Parts & Accessories

Shop All
Tankless Water Heater Parts Tankless Water Heater Parts
Potable Water Expansion Tanks Potable Water Expansion Tanks
Water Heater Elements & Thermostats Water Heater Elements & Thermostats
Water Heater Pans Water Heater Pans

Shop by Water Heater Job

View All Jobs
Gas Water Heater

Replacing a Gas Water Heater
Electric Water Heater

Installing an Electric Water Heater
Tankless Water Heater

Upgrading to a Tankless Water Heater
Boiler

Installing a Boiler

Shop Water Heaters by Brand

346 Products

  • Leesburg, 741 Miller DriveSuite A-1 & B

  • There are no matching search results.
Need Help?
800-721-2590
Contact us between 8AM-6PM EST, Monday - Friday.
346 Products
Call for Pricing
Call for Pricing
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
$1
EACH
Out of Stock
  • Pick Up: Not available
  • Shipping: Not available
  • Requires Certification
50 gal. Tall 4.5kW Residential Smart Hybrid Electric Heat Pump Water Heater with Anti-Leak Technology
A.O. Smith Voltex®

50 gal. Tall 4.5kW Residential Smart Hybrid Electric Heat Pump Water Heater with Anti-Leak Technology
Part #AHPTS50202172000
Item #9845370
Mfr. Part #100350404
3.3 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
Out of Stock
  • Pick Up: Not available
  • Shipping: Not available
  • Requires Certification

  • Green

100 gal. Tall 199 MBH Commercial Natural Gas Water Heater
A.O. Smith Cyclone® Mxi

100 gal. Tall 199 MBH Commercial Natural Gas Water Heater
Part #ABTH19900N000000
Item #450736
Mfr. Part #100234900
4.4 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
Log in or Create an Account to see product availability.
  • Pick Up: Not available
  • Shipping: Available for immediate shipment
  • Requires Certification

  • Green

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
$1
EACH
Out of Stock
  • Pick Up: Not available
  • Shipping: Not available
  • Requires Certification
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
$1
EACH
Out of Stock
  • Pick Up: Not available
  • Shipping: Not available
  • Requires Certification
40 gal. Tall 40 MBH Ultra-Low NOx Atmospheric Vent Natural Gas Water Heater
A.O. Smith ProLine®

40 gal. Tall 40 MBH Ultra-Low NOx Atmospheric Vent Natural Gas Water Heater
Part #AGUC4000L010G41
Item #5096695
Mfr. Part #100351144
4.7 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
Out of Stock
  • Pick Up: Not available
  • Shipping: Not available
  • Requires Certification
50 gal. Tall 40 MBH Low NOx Atmospheric Vent Natural Gas Water Heater
A.O. Smith ProLine®

50 gal. Tall 40 MBH Low NOx Atmospheric Vent Natural Gas Water Heater
Part #AGCG5000L010000
Item #5076786
Mfr. Part #100191291
3.6 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
Out of Stock
  • Pick Up: Not available
  • Shipping: Not available
  • Requires Certification
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
$1
EACH
Out of Stock
  • Pick Up: Not available
  • Shipping: Not available
  • Requires Certification
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 #AENLB40202173000
Item #5076662
Mfr. Part #100295280
5 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
Out of Stock
  • Pick Up: Not available
  • Shipping: Not available
  • Requires Certification
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
$1
EACH
Out of Stock
  • Pick Up: Not available
  • Shipping: Not available
  • Requires Certification
80 gal. Tall Solar Water Heater
A.O. Smith

80 gal. Tall Solar Water Heater
Part #ASUN80261882000
Item #2038059
Mfr. Part #100123516
3.4 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
Log in or Create an Account to see product availability.
  • Pick Up: Not available
  • Shipping: Not available
  • Requires Certification
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 #AEETU50422172S83
Item #10056784
Mfr. Part #100364456
4.6 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
Out of Stock
  • Pick Up: Not available
  • Shipping: Not available
  • Requires Certification
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 #AENL40202172000
Item #5096470
Mfr. Part #100159673
4.8 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
Out of Stock
  • Pick Up: Not available
  • Shipping: Not available
  • Requires Certification
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
$1
EACH
Out of Stock
  • Pick Up: Not available
  • Shipping: Not available
  • Requires Certification
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
$1
EACH
Out of Stock
  • Pick Up: Not available
  • Shipping: Not available
  • Requires Certification
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 #AENLB40202172S45
Item #5076766
Mfr. Part #100295351
4.4 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
Out of Stock
  • Pick Up: Not available
  • Shipping: Not available
  • Requires Certification
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
$1
EACH
Out of Stock
  • Pick Up: Not available
  • Shipping: Not available
  • Requires Certification
119 gal. Tall 400 MBH Commercial Natural Gas Water Heater
A.O. Smith Cyclone® Mxi

119 gal. Tall 400 MBH Commercial Natural Gas Water Heater
Part #ABTH400A00N000000
Item #1960001
Mfr. Part #100234946
5 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
Log in or Create an Account to see product availability.
  • Pick Up: Not available
  • Shipping: Available for immediate shipment
  • Requires Certification

  • Green

50 gal. Short 40 MBH Low NOx Power Vent Natural Gas Water Heater
A.O. Smith ProLine® XE

50 gal. Short 40 MBH Low NOx Power Vent Natural Gas Water Heater
Part #AGPVL5000L010S19
Item #4502160
Mfr. Part #100113740
3.5 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
Out of Stock
  • Pick Up: Not available
  • Shipping: Not available
  • Requires Certification

  • Green

100 gal. 199 MBH Commercial Natural Gas Water Heater
A.O. Smith Master-Fit®

100 gal. 199 MBH Commercial Natural Gas Water Heater
Part #ABTL19900N000000
Item #4456344
Mfr. Part #100120198
3.7 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
Out of Stock
  • Pick Up: Not available
  • Shipping: Not available
  • Requires Certification
40 gal. Tall 40 MBH Low NOx Atmospheric Vent Natural Gas Water Heater
A.O. Smith ProLine®

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

Points
$1
EACH
Out of Stock
  • Pick Up: Not available
  • Shipping: Not available
  • Requires Certification

  • Green

50 gal. Tall 40 MBH Ultra-Low NOx Atmospheric Vent Natural Gas Water Heater
A.O. Smith ProLine®

50 gal. Tall 40 MBH Ultra-Low NOx Atmospheric Vent Natural Gas Water Heater
Part #AGUR5000L010G41
Item #5076722
Mfr. Part #100351416
5 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
Out of Stock
  • Pick Up: Not available
  • Shipping: Not available
  • Requires Certification
100 gal. Tall 200 MBH Commercial Natural Gas Water Heater
A.O. Smith Master-Fit® BTR

100 gal. Tall 200 MBH Commercial Natural Gas Water Heater
Part #ABTR20000N000000
Item #961599
Mfr. Part #100119160
3.8 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
Log in or Create an Account to see product availability.
  • Pick Up: Not available
  • Shipping: Not available
  • Requires Certification
40 gal. Short 40 MBH Low NOx Atmospheric Vent Natural Gas Water Heater
A.O. Smith ProLine®

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

Points
$1
EACH
Out of Stock
  • Pick Up: Not available
  • Shipping: Not available
  • Requires Certification
Items You May Like
1–6 of 18 items
2.1 gal. Thermal Expansion Tank
PROFLO®

2.1 gal. Thermal Expansion Tank
Part #PFXT5I
Item #2939325
4 out of 5 Customer Rating
Requires Certification

Points
$48.00
EACH
50 gal. Tall 40 MBH Low NOx Atmospheric Vent Natural Gas Water Heater
Bradford White FVIR Defender Safety System®

50 gal. Tall 40 MBH Low NOx Atmospheric Vent Natural Gas Water Heater
Part #BRG250T6N
Item #5058965
5 out of 5 Customer Rating
Requires Certification

Points
$816.00
EACH
24 in. Aluminum Water Heater Pan
Oatey®

24 in. Aluminum Water Heater Pan
Part #O34153
Item #928553
5 out of 5 Customer Rating
Requires Certification

Points
$32.04
EACH
2 gal. Thermal Expansion Tank
PROFLO®

2 gal. Thermal Expansion Tank
Part #PFXT5
Item #3883444
4.1 out of 5 Customer Rating
Requires Certification

Points
$48.00
EACH
3/4 in. IPS Valve Service Kit with Pressure Relief Valve
Jones Stephens

3/4 in. IPS Valve Service Kit with Pressure Relief Valve
Part #JD05102
Item #9645661
4.4 out of 5 Customer Rating
Requires Certification

Points
$93.88
EACH
150 MBH Indoor/Outdoor Condensing Natural Gas Tankless Water Heater
Navien NPE-A2 Series

150 MBH Indoor/Outdoor Condensing Natural Gas Tankless Water Heater
Part #NNPE180A2NG
Item #9305456
5 out of 5 Customer Rating
Requires Certification

Points
Call for Pricing
Call for Pricing
50 gal. Tall 4.5kW 2-Element Electric Water Heater with Hydrojet®
Bradford White

50 gal. Tall 4.5kW 2-Element Electric Water Heater with Hydrojet®
Part #BRE250T61NCWW
Item #7800457
4.8 out of 5 Customer Rating
Requires Certification

Points
$620.00
EACH
Thermal Expansion Tank Mounting Bracket
HoldRite™

Thermal Expansion Tank Mounting Bracket
Part #HQSUC
Item #9882769
4.6 out of 5 Customer Rating
Requires Certification

Points
$22.69
EACH
50 gal. Tall 4.5kW 2-Element Electric Water Heater
State ProLine®

50 gal. Tall 4.5kW 2-Element Electric Water Heater
Part #SEN650DORT45
Item #5076652
4.8 out of 5 Customer Rating
Requires Certification

Points
$643.20
EACH
24 in. Aluminum Water Heater Pan
Oatey®

24 in. Aluminum Water Heater Pan
Part #O34173
Item #928601
5 out of 5 Customer Rating
Requires Certification

Points
$33.79
EACH