Water Heaters

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
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

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

2,710 Products

  • Aberdeen, 145 Ampersand Drive

  • 203
  • 520
  • 396
  • 466
  • 109
  • 122
  • 74
  • 16
  • 37
  • 56
  • 1
  • 10
  • 2
  • 81
  • 68
  • 61
  • 37
  • 33
  • 32
  • 32
  • 25
  • 17
  • 15
  • 15
  • 15
  • 13
  • 12
  • 11
  • 10
  • 8
  • 7
  • 7
  • 7
  • 7
  • 6
  • 6
  • 5
  • 5
  • 5
  • 4
  • 4
  • 4
  • 4
  • 4
  • 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
  • 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.

  • 846
  • 852
  • 21
  • 4
  • 2
  • 1
  • There are no matching search results.

  • 497
  • 403
  • 473
  • 121
  • 227
  • 38
  • There are no matching search results.

  • 779
  • 712
  • 26
  • There are no matching search results.

  • 219
  • 72
  • 51
  • 19
  • 4
  • 18
  • 6
  • 4
  • 1
  • 51
  • 42
  • 42
  • 38
  • 34
  • 32
  • 26
  • 23
  • 23
  • 22
  • 22
  • 21
  • 18
  • 17
  • 17
  • 17
  • 15
  • 14
  • 11
  • 10
  • 9
  • 9
  • 9
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 7
  • 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
  • 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
  • 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
  • 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
  • There are no matching search results.

  • 52
  • 41
  • 27
  • 27
  • 24
  • 16
  • 13
  • 3
  • 58
  • 18
  • 18
  • 13
  • 10
  • 10
  • 9
  • 8
  • 8
  • 7
  • 6
  • 4
  • 4
  • 4
  • 3
  • 3
  • 3
  • 73
  • 55
  • 36
  • 32
  • 31
  • 29
  • 29
  • 25
  • 24
  • 23
  • 21
  • 20
  • 19
  • 18
  • 17
  • 17
  • 17
  • 16
  • 16
  • 15
  • 15
  • 14
  • 13
  • 13
  • 13
  • 13
  • 13
  • 13
  • 12
  • 12
  • 12
  • 12
  • 12
  • 12
  • 11
  • 10
  • 10
  • 10
  • 10
  • 10
  • 10
  • 9
  • 9
  • 9
  • 9
  • 9
  • 9
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 7
  • 7
  • 7
  • 7
  • 7
  • 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
  • 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
  • 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
  • 3
  • 3
  • 3
  • 3
  • There are no matching search results.

  • 907
  • 223
  • There are no matching search results.

  • 696
  • 141
  • 39
  • 62
  • 157
  • 78
  • 70
  • 24
  • 13
  • 9
  • 5
  • 3
  • 3
  • 1
  • 1
  • There are no matching search results.

  • 248
  • 152
  • 160
  • 109
  • 53
  • 116
  • 77
  • 21
  • 56
  • 47
  • 27
  • 26
  • 10
  • 8
  • 6
  • 4
  • 4
  • 3
  • 68
  • 64
  • 63
  • 61
  • 43
  • 25
  • 25
  • 23
  • 18
  • 17
  • 17
  • 16
  • 15
  • 14
  • 11
  • 9
  • 8
  • 8
  • 8
  • 8
  • 7
  • 7
  • 6
  • 6
  • 6
  • 6
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 3
  • 3
  • 3
  • 3
  • 3
  • 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
  • There are no matching search results.
Need Help?
800-721-2590
Contact us between 8AM-6PM EST, Monday - Friday.
2,710 Products
Call for Pricing
Call for Pricing
199 MBH Smart Indoor Condensing Natural Gas/Propane Tankless Water Heater
Rinnai SENSEI™ RX Series

199 MBH Smart Indoor Condensing Natural Gas/Propane Tankless Water Heater
Part #RRX199IN
Item #10357472
Mfr. Part #RX199IN
5 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Requires Certification

  • Green

199 MBH Smart Indoor Condensing Natural Gas/Propane Tankless Water Heater with Pump
Rinnai SENSEI™ RXP Series

199 MBH Smart Indoor Condensing Natural Gas/Propane Tankless Water Heater with Pump
Part #RRXP199IN
Item #10345971
Mfr. Part #RXP199iN
3.5 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Requires Certification

  • Green

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
Mfr. Part #100336412
4.8 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Requires Certification
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
How to get it:
  • Requires Certification
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

Points
EACH
How to get it:
  • Requires Certification

  • Lead Law Compliant

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
Mfr. Part #D05102
4.4 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Requires Certification
50 gal. Short 4.5kW 2-Element Electric Water Heater
State ProLine®

50 gal. Short 4.5kW 2-Element Electric Water Heater
Part #SEN650DORS45
Item #5076783
Mfr. Part #100227541
3.3 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Requires Certification
180 MBH Indoor Non-Condensing Propane Gas Tankless Water Heater
Rinnai RE Series

180 MBH Indoor Non-Condensing Propane Gas Tankless Water Heater
Part #RRE180IP
Item #9885610
Mfr. Part #RE180IP
4.4 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Requires Certification
50 gal. Tall 38 MBH Low NOx Atmospheric Vent Natural Gas Water Heater
Rheem Professional Classic®

50 gal. Tall 38 MBH Low NOx Atmospheric Vent Natural Gas Water Heater
Part #RG5038NRH60641577
Item #5105966
Mfr. Part #641577
5 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Requires Certification

  • Green

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

Points
EACH
How to get it:
  • Requires Certification

  • Lead Law Compliant

30 in. Aluminum Water Heater Pan
Oatey®

30 in. Aluminum Water Heater Pan
Part #O34175
Item #928607
Mfr. Part #34175
5 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Requires Certification
199 MBH Outdoor Non-Condensing Propane Gas Tankless Water Heater
Rinnai RE Series

199 MBH Outdoor Non-Condensing Propane Gas Tankless Water Heater
Part #RRE199EP
Item #9885623
Mfr. Part #RE199EP
5 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Requires Certification
50 gal. Tall 4.5kW 2-Element Electric Water Heater
Rheem Professional Classic®

50 gal. Tall 4.5kW 2-Element Electric Water Heater
Part #RE50T2RH95654317
Item #5106078
Mfr. Part #654317
3.4 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Requires Certification
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

Points
EACH
How to get it:
  • Requires Certification

  • Not Compliant, Approved for Non-Potable Water Applications

3 in. Polypropylene Condensing Termination Kit
Rinnai

3 in. Polypropylene Condensing Termination Kit
Part #R223177PP
Item #3874727
Mfr. Part #223177PP
5 out of 5 Customer Rating
Requires Certification

Points
EACH
Log in or Create an Account to see product availability.
How to get it:
  • Requires Certification
50 gal. Short 40 MBH Low NOx Power Vent Natural Gas Water Heater
Bradford White TTW®

50 gal. Short 40 MBH Low NOx Power Vent Natural Gas Water Heater
Part #BRG1PV50S6N19
Item #8160002
Mfr. Part #RG1PV50S6N19
5 out of 5 Customer Rating
Requires Certification

Points
EACH
Out of Stock
How to get it:
  • Pick Up
    0  Available
    0 nearby
  • Shipping
    Not Available
  • Requires Certification

  • Green

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 #NPE240A2NG
4 out of 5 Customer Rating
Requires Certification

Points
EACH
Log in or Create an Account to see product availability.
  • Requires Certification

  • Green

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
Mfr. Part #RG250T6N
5 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Requires Certification
199 MBH Indoor/Outdoor Condensing Natural Gas Tankless Water Heater
Navien NPE-S2 Series

199 MBH Indoor/Outdoor Condensing Natural Gas Tankless Water Heater
Part #NNPE240S2NG
Item #9305452
Mfr. Part #NPE240S2NG
4.5 out of 5 Customer Rating
Requires Certification

Points
EACH
Log in or Create an Account to see product availability.
  • Requires Certification

  • Green

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
Log in or Create an Account to see product availability.
How to get it:
  • Requires Certification
50 gal. Tall 4.5 kW Smart Hybrid Electric Heat Pump Water Heater with Anti-Leak Technology
A.O. Smith Voltex®

50 gal. Tall 4.5 kW 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
EACH
Log in or Create an Account to see product availability.
How to get it:
  • Pick Up
    0  Available
    0 nearby
  • Shipping
    Available
  • Requires Certification

  • Green

40 gal. Tall 34 MBH Ultra-Low NOx Atmospheric Vent Natural Gas Water Heater
Bradford White FVIR Eco-Defender Safety System®

40 gal. Tall 34 MBH Ultra-Low NOx Atmospheric Vent Natural Gas Water Heater
Part #BURG140T6N394
Item #7172791
Mfr. Part #URG140T6N-394
4.1 out of 5 Customer Rating
Requires Certification

Points
EACH
Log in or Create an Account to see product availability.
How to get it:
  • Pick Up
    0  Available
    0 nearby
  • Shipping
    Available
  • Requires Certification
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

Points
EACH
Log in or Create an Account to see product availability.
How to get it:
  • Pick Up
    0  Available
    0 nearby
  • Shipping
    Available
  • Requires Certification

  • Green

40 gal. Short 40 MBH Low NOx Atmospheric Vent Natural Gas Water Heater
Bradford White FVIR Defender Safety System®

40 gal. Short 40 MBH Low NOx Atmospheric Vent Natural Gas Water Heater
Part #BRG240S6N
Item #5058929
Mfr. Part #RG240S6N
5 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Requires Certification