Water Heaters

9355942_AO-Smith_State-26-Campaign_Promo-Catalog

Commercial-Grade Durability from A. O. Smith

ProLine® residential water heaters from A. O. Smith offer longer performance, tougher components, and innovative design.

Water Heaters by Power Source

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

Types of Water Heaters

Commercial Water Heaters Commercial Water Heaters
Heat Pump Water Heaters Heat Pump Water Heaters
Indirect-Fired Water Heaters Indirect-Fired Water Heaters
Energy Star Compliant Water Heaters Energy Star Compliant Water Heaters

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

2,215 Products

  • Altamonte Springs, 974 Explorer Cove Suite 100

  • 200
  • 424
  • 267
  • 377
  • 92
  • 59
  • 74
  • 109
  • 16
  • 43
  • 57
  • 10
  • 32
  • 23
  • 3
  • 50
  • 36
  • 35
  • 26
  • 23
  • 16
  • 13
  • 13
  • 12
  • 11
  • 10
  • 9
  • 8
  • 8
  • 7
  • 6
  • 5
  • 5
  • 5
  • 5
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 3
  • 3
  • 3
  • 3
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • There are no matching search results.

  • 626
  • 680
  • 11
  • 3
  • 2
  • 1
  • 1
  • There are no matching search results.

  • 343
  • 419
  • 343
  • 106
  • 110
  • 36
  • There are no matching search results.

  • 674
  • 512
  • 15
  • There are no matching search results.

  • 186
  • 61
  • 20
  • 17
  • 4
  • 2
  • 2
  • 1
  • 1
  • 1
  • 1
  • 53
  • 40
  • 33
  • 26
  • 22
  • 22
  • 20
  • 20
  • 19
  • 19
  • 18
  • 18
  • 16
  • 15
  • 15
  • 14
  • 11
  • 10
  • 9
  • 9
  • 8
  • 7
  • 7
  • 7
  • 7
  • 7
  • 7
  • 6
  • 6
  • 6
  • 6
  • 6
  • 6
  • 6
  • 6
  • 6
  • 6
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • There are no matching search results.

  • 538
  • 112
  • 51
  • 30
  • 17
  • 118
  • 66
  • 45
  • 10
  • 6
  • 3
  • 2
  • 1
  • 1
  • There are no matching search results.

  • 678
  • 172
  • There are no matching search results.

  • 202
  • 131
  • 89
  • 136
  • 91
  • 18
  • 70
  • 35
  • 8
  • 4
  • 42
  • 22
  • 12
  • 1
  • 54
  • 37
  • 35
  • 33
  • 30
  • 23
  • 22
  • 19
  • 18
  • 16
  • 14
  • 12
  • 12
  • 11
  • 10
  • 10
  • 9
  • 8
  • 8
  • 7
  • 7
  • 7
  • 6
  • 6
  • 6
  • 6
  • 6
  • 5
  • 5
  • 5
  • 5
  • 5
  • 4
  • 4
  • 4
  • 3
  • 3
  • 3
  • 3
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • There are no matching search results.

  • 9
  • 48
  • 13
  • 10
  • 7
  • 41
  • 28
  • 23
  • 22
  • 16
  • 14
  • 11
  • 8
  • 8
  • 4
  • 4
  • 4
  • 3
  • 2
  • 2
  • 2
  • 2
  • 50
  • 31
  • 30
  • 27
  • 22
  • 21
  • 20
  • 19
  • 18
  • 17
  • 16
  • 14
  • 13
  • 13
  • 13
  • 12
  • 12
  • 12
  • 12
  • 12
  • 12
  • 11
  • 11
  • 11
  • 10
  • 10
  • 10
  • 10
  • 10
  • 10
  • 10
  • 9
  • 9
  • 9
  • 9
  • 9
  • 9
  • 8
  • 8
  • 8
  • 8
  • 8
  • 7
  • 7
  • 7
  • 7
  • 7
  • 7
  • 7
  • 7
  • 6
  • 6
  • 6
  • 6
  • 6
  • 6
  • 6
  • 6
  • 6
  • 6
  • 6
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • There are no matching search results.
Need Help?
800-721-2590
Contact us between 8AM-6PM EST, Monday - Friday.
2,215 Products
Call for Pricing
Call for Pricing
3/4 in. x 24 in. FIP Stainless Steel Corrugated Flexible Water Heater Connector
PROFLO® PFXCH Series

3/4 in. x 24 in. FIP Stainless Steel Corrugated Flexible Water Heater Connector
Part #PFXCHFT24N
Item #4777757
Mfr. Part #PFXCHFT24N
5 out of 5 Customer Rating
  • Requires Certification

  • Lead Law Compliant

 Points
EACH
Requires Certification
How to get it:
  • Pick Up
    7  Available
    Available Nearby
    Pick Up  Not Available
    Not available in 'FL'
  • Shipping
    Available
    Shipping Not Available
    Not available in 'FL'
22 in. Aluminum Water Heater Pan
Oatey®

22 in. Aluminum Water Heater Pan
Part #O34152
Item #856130
Mfr. Part #34152
5 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Log in or Create an Account to see product availability.
How to get it:
  • Pick Up
    0  Available
    Available Nearby
    Pick Up  Not Available
    Not available in 'FL'
  • Shipping
    Available
    Shipping Not Available
    Not available in 'FL'
199 MBH Indoor/Outdoor Condensing Natural Gas Tankless Water Heater
Navien NPE-A2 Series

199 MBH Indoor/Outdoor Condensing Natural Gas Tankless Water Heater
Part #NNPE240A2NG
Item #9305457
Mfr. Part #NPE240A2
4 out of 5 Customer Rating
  • Requires Certification

  • Green

 Points
EACH
Requires Certification
Log in or Create an Account to see product availability.
3/4 in. Temperature & Pressure Relief Valve with 2-1/2 in. Extended Shank
PROSELECT®

3/4 in. Temperature & Pressure Relief Valve with 2-1/2 in. Extended Shank
Part #PSW12601
Item #1302305
Mfr. Part #100108602
5 out of 5 Customer Rating
  • Requires Certification

  • Not Compliant, Approved for Non-Potable Water Applications

 Points
EACH
Requires Certification
How to get it:
  • Pick Up
    4  Available
    Available Nearby
    Pick Up  Not Available
    Not available in 'FL'
  • Shipping
    Available
    Shipping Not Available
    Not available in 'FL'
4.5kW 240V Screw-In Water Heater Element
PROSELECT®

4.5kW 240V Screw-In Water Heater Element
Part #PSW12301
Item #1302336
Mfr. Part #100108285
3.5 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
How to get it:
  • Pick Up
    6  Available
    Available Nearby
    Pick Up  Not Available
    Not available in 'FL'
  • Shipping
    Available
    Shipping Not Available
    Not available in 'FL'
21-1/2 in. Galvanized Water Heater Support Stand
Jones Stephens

21-1/2 in. Galvanized Water Heater Support Stand
Part #JJ36207
Item #9957968
Mfr. Part #J36207
5 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
How to get it:
  • Pick Up
    2  Available
    Available Nearby
    Pick Up  Not Available
    Not available in 'FL'
  • Shipping
    Available
    Shipping Not Available
    Not available in 'FL'
50 gal. 4/3 kW 240/208V Single Phase Hybrid Electric Heat Pump Water Heater
Bradford White AeroTherm® Series G2

50 gal. 4/3 kW 240/208V Single Phase Hybrid Electric Heat Pump Water Heater
Part #BRE2HP50101NCTT
Item #12167118
Mfr. Part #RE2HP5010-1NCTT
3.2 out of 5 Customer Rating
  • Requires Certification

  • Green

 Points
EACH
Requires Certification
How to get it:
  • Pick Up
    1  Available
    Available Nearby
    Pick Up  Not Available
    Not available in 'FL'
  • Shipping
    Available
    Log in or Create an Account
    Shipping Not Available
    Not available in 'FL'
Outdoor Vent Cap
Navien

Outdoor Vent Cap
Part #N30025801A
Item #9399786
Mfr. Part #30025801A
3.8 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Log in or Create an Account to see product availability.
3/4 in. x 18 in. FIP Braided Stainless Water Heater Flexible Water Connector
PROFLO® PFX146

3/4 in. x 18 in. FIP Braided Stainless Water Heater Flexible Water Connector
Part #PFX146222
Item #2405290
Mfr. Part #146222
4.9 out of 5 Customer Rating
  • Requires Certification

  • Lead Law Compliant

 Points
EACH
Requires Certification
How to get it:
  • Pick Up
    1  Available
    Available Nearby
    Pick Up  Not Available
    Not available in 'FL'
  • Shipping
    Available
    Shipping Not Available
    Not available in 'FL'
240V NPSM Water Heater Tune Up Kit
PROSELECT® Apcom®

240V NPSM Water Heater Tune Up Kit
Part #PSW12901
Item #3918576
Mfr. Part #100109137
3.6 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
How to get it:
  • Pick Up
    7  Available
    Available Nearby
    Pick Up  Not Available
    Not available in 'FL'
  • Shipping
    Available
    Shipping Not Available
    Not available in 'FL'
55 gal. Tall 4.5kW 2-Element On-Demand Electric Water Heater
Essency

55 gal. Tall 4.5kW 2-Element On-Demand Electric Water Heater
Part #EEXR
Item #9402597
Mfr. Part #E55R
3.3 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
How to get it:
  • Pick Up
    2  Available
    Available Nearby
    Pick Up  Not Available
    Not available in 'FL'
  • Shipping
    Available
    Log in or Create an Account
    Shipping Not Available
    Not available in 'FL'
Thermal Expansion Tank Mounting Bracket
HoldRite™

Thermal Expansion Tank Mounting Bracket
Part #HQSUC
Item #9882769
Mfr. Part #QS-U-C
4.6 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
How to get it:
  • Pick Up
    3  Available
    Available Nearby
    Pick Up  Not Available
    Not available in 'FL'
  • Shipping
    Available
    Shipping Not Available
    Not available in 'FL'
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
How to get it:
  • Pick Up
    0  Available
    Available Nearby
    Pick Up  Not Available
    Not available in 'FL'
  • Shipping
    Available
    Log in or Create an Account
    Shipping Not Available
    Not available in 'FL'
26 in. Aluminum Water Heater Pan
Oatey®

26 in. Aluminum Water Heater Pan
Part #O34174
Item #928604
Mfr. Part #34174
5 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
How to get it:
  • Pick Up
    0  Available
    Available Nearby
    Pick Up  Not Available
    Not available in 'FL'
  • Shipping
    Available
    Shipping Not Available
    Not available in 'FL'
2 gal. Thermal Expansion Tank
PROFLO®

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

  • Lead Law Compliant

 Points
EACH
Requires Certification
Log in or Create an Account to see product availability.
How to get it:
  • Pick Up
    0  Available
    0 nearby
    Pick Up  Not Available
    Not available in 'FL'
  • Shipping
    Available
    Shipping Not Available
    Not available in 'FL'
30 gal. Tall 27 MBH Ultra-Low NOx Atmospheric Vent Natural Gas Water Heater
Bradford White FVIR Eco-Defender Safety System®

30 gal. Tall 27 MBH Ultra-Low NOx Atmospheric Vent Natural Gas Water Heater
Part #BURG130T6N394
Item #7172833
Mfr. Part #URG130T6N-394
4.8 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Log in or Create an Account to see product availability.
How to get it:
  • Pick Up
    0  Available
    0 nearby
    Pick Up  Not Available
    Not available in 'FL'
  • Shipping
    Available
    Shipping Not Available
    Not available in 'FL'
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
Mfr. Part #RE250T6-1NCWW
4.8 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Log in or Create an Account to see product availability.
How to get it:
  • Pick Up
    1  Available
    Available Nearby
    Pick Up  Not Available
    Not available in 'FL'
  • Shipping
    Available
    Shipping Not Available
    Not available in 'FL'
22 in. Aluminum Water Heater Pan
Jones Stephens

22 in. Aluminum Water Heater Pan
Part #JJ38022
Item #3705866
Mfr. Part #J38022
5 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
How to get it:
  • Pick Up
    7  Available
    Available Nearby
    Pick Up  Not Available
    Not available in 'FL'
  • Shipping
    Available
    Shipping Not Available
    Not available in 'FL'
180 MBH Indoor/Outdoor Condensing Natural Gas Tankless Water Heater
Navien NPE-S2 Series

180 MBH Indoor/Outdoor Condensing Natural Gas Tankless Water Heater
Part #NNPE210S2NG
Item #9305455
Mfr. Part #NPE210S2
4.8 out of 5 Customer Rating
  • Requires Certification

  • Green

 Points
EACH
Requires Certification
Log in or Create an Account to see product availability.
240V Upper Thermostat
PROSELECT®

240V Upper Thermostat
Part #PSW12708
Item #1302331
Mfr. Part #100108685
5 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
How to get it:
  • Pick Up
    1  Available
    Available Nearby
    Pick Up  Not Available
    Not available in 'FL'
  • Shipping
    Available
    Shipping Not Available
    Not available in 'FL'
2.5 gal. 1.4kW Electric Point of Use Mini Tank Water Heater
Eemax MiniTank™

2.5 gal. 1.4kW Electric Point of Use Mini Tank Water Heater
Part #EEMT25
Item #1737007
Mfr. Part #EMT2.5
4.2 out of 5 Customer Rating
  • Requires Certification

  • Lead Law Compliant

 Points
EACH
Requires Certification
How to get it:
  • Pick Up
    1  Available
    Available Nearby
    Pick Up  Not Available
    Not available in 'FL'
  • Shipping
    Available
    Shipping Not Available
    Not available in 'FL'
2.1 gal. Thermal Expansion Tank
PROFLO®

2.1 gal. Thermal Expansion Tank
Part #PFXT5I
Item #2939325
Mfr. Part #PFT5I
4 out of 5 Customer Rating
  • Requires Certification

  • Lead Law Compliant

 Points
EACH
Requires Certification
How to get it:
  • Pick Up
    8  Available
    Available Nearby
    Pick Up  Not Available
    Not available in 'FL'
  • Shipping
    Available
    Log in or Create an Account
    Shipping Not Available
    Not available in 'FL'
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 #BRG250T6N394
Item #5071317
Mfr. Part #RG250T6N-394
3.1 out of 5 Customer Rating
  • Requires Certification

Points
EACH
Requires Certification
Log in or Create an Account to see product availability.
How to get it:
  • Pick Up
    0  Available
    0 nearby
    Pick Up  Not Available
    Not available in 'FL'
  • Shipping
    Available
    Shipping Not Available
    Not available in 'FL'
75 gal. Tall 76 MBH Low NOx Power Vent Natural Gas Water Heater
Bradford White TTW®

75 gal. Tall 76 MBH Low NOx Power Vent Natural Gas Water Heater
Part #BRG2PV75H6N19
Item #9928870
Mfr. Part #RG2PV75H6N19
5 out of 5 Customer Rating
  • Requires Certification

  • Green

 Points
EACH
Requires Certification
Log in or Create an Account to see product availability.
How to get it:
  • Pick Up
    0  Available
    0 nearby
    Pick Up  Not Available
    Not available in 'FL'
  • Shipping
    Available
    Shipping Not Available
    Not available in 'FL'