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4.2 | 29 Reviews

GE® 40 Gallon Short Electric Water Heater

GE Appliances GE40S08BAM

Features

  • Real Capacity
  • Leading Performance
  • Household Size
  • Quick Recovery

Quick Specs

  • Type: Small Water Heater
  • Width: 22"
  • Height: 52 7/8"
  • Depth: 22"
  • Energy Star Rated: No

See More

 
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Real Capacity

Get the most hot showers from the only water heater that holds a true 40 gallons of water (Compared to 40 gallon electric steel tank water heaters per DOE rated gallon capacity)

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Leading Performance

Live comfortably with this best in class unit that delivers 66 gallons of hot water in the first hour (Measured through DOE First Hour Rating)

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Household Size

Provide hot water for the whole family of 2 to 4 persons

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Quick Recovery

Two 5500W heating elements quickly increase water temperature for hot water when you need it

Watch Video

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Inlet Tube

Replenishes water from the bottom of the tank to maximize hot water delivery

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Easy Set Up

Replace your old water heater quickly and easily using standard water and electrical connections

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Anode Rod

Durable design offers long-lasting protection against corrosion

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Brass Drain Valve

Rust-proof construction can be counted on to provide long-lasting service

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Adjustable Thermostat

Change temperature to your desired setting

Real Capacity Get the most hot showers from the only water heater that holds a true 40 gallons of water (Compared to 40 gallon electric steel tank water heaters per DOE rated gallon capacity)

Leading Performance Live comfortably with this best in class unit that delivers 66 gallons of hot water in the first hour (Measured through DOE First Hour Rating)

Household Size Provide hot water for the whole family of 2 to 4 persons

Quick Recovery Two 5500W heating elements quickly increase water temperature for hot water when you need it

Inlet Tube Replenishes water from the bottom of the tank to maximize hot water delivery

Easy Set Up Replace your old water heater quickly and easily using standard water and electrical connections

Anode Rod Durable design offers long-lasting protection against corrosion

Brass Drain Valve Rust-proof construction can be counted on to provide long-lasting service

Adjustable Thermostat Change temperature to your desired setting

Features

  • Real Capacity
  • Leading Performance
  • Household Size
  • Quick Recovery
  • Inlet Tube
  • Easy Set Up
  • Anode Rod
  • Brass Drain Valve
  • Adjustable Thermostat
CAPACITY
Unit Capacity 40 Gallons
FILTER
App Filter - Tank Warranty 8 year limited
App Filter - Product Type Water Heaters Electric Standard
App Filter - Tank Diameter 22 in. and above
App Filter - Vacation Mode No
App Filter - Capacity Water Heater 40-49 gallons
APPEARANCE
Color Appearance Gray
POWER / RATINGS
Integrated Energy Factor 0.92
Heating - Electric - Heater Watts 5500/5500
Electrical Connection Direct-Wire
Operating Water Pressure 20-125 PSI
Volts/Hertz 240V; 60Hz
First Hour Rate (FHR) 66 Gallons
Voltage (MAX) 240 V
Energy Consumption (kWh/year) 3531
Electrical Circuit Required 208V/240V 60 Hz Dedicated 30 Amp Min.
WARRANTY
Warranty Notes See written warranty for full details
Parts Warranty Limited 8-year tank and parts
Labor Warranty Limited 1-year entire appliance
WEIGHTS & DIMENSIONS
Product Height (to top of water inlet/outlet connections) 52.875 in
Approximate Shipping Weight 133 lb
Overall Width 22 in
Overall Height 52.875 in
Product Height (to top of unit) 51.375 in
Net Weight 121 lb
Product Diameter 22 in
Overall Depth 22 in
Connection Sizes - Water Inlet (MNPT) 3/4"
Connection Sizes - Hot Water Outlet (MNPT) 3/4"
FEATURES
Control Type Thermostat
Temp & Pressure Relief Valve Yes
Height Description Short
Heating Element Copper
Fuel Type Electric
Configuration Short
Installation Location Indoor
Operating Modes Standard Electric
Rated Storage Capacity 40
Drain Valve Type Brass
GPH Recovery @ 90 Degrees F 25.1
Mobile Home Compatible No
Product Type Electric Thermostat
Family Size 2-4 People
Water Connection Location Top
Foam Insulation Yes
Point of Use No
Temperature Setting 90-150° F Range
Factory Default 120° F
Insulation Thickness 2.75 in

Quick Specs


  • Appearance

  • Type: Small Water Heater

  • Dimensions

  • Width: 22"
  • Height: 52 7/8"
  • Depth: 22"

  • Features

  • Energy Star Rated: No

Professional delivery and installation is available for every product we sell. We would be happy to coordinate delivery and installation for you.

Extended warranties are usually very inexpensive and can save you thousands in the future. Some can even cover extra costs that result, such as cost of food that spoils when your fridge dies. It's simple and inexpensive to purchase extended warranties and one of the smartest ways to protect your investment.

Appliances can be large, heavy and expensive. You probably don't have the special tools or expertise needed to fix them in a crisis. If you can spare a few thousand dollars without batting an eyelash for new appliances should they break tomorrow, don't buy a warranty. But if you're like most of us, protect yourself by purchasing inexpensive extended warranties when you buy a new product and save yourself big money in the long run.

4.2 out of 5

79% of reviewers recommend this product.

5 Stars

Be patient when setting the temp.

BC81 4/24/2026

I've read some reviews about this water heater with people having negative experiences getting th temperature set where they like it. In my experience with this water heater, once you set the temp, you have to wait a while for the temp to come to the new setting. I'm guessing the elements only kick on after the water falls below a certain temp, which can take between 3 to 24 hours. I've set the temp three times, from the factory set 120°F to 125°F, and then again from 125°F to 130°F, the backed it off a bit from 130°F. Each time the same thing, had to wait at least a day for the new adjustment to settle in. So, in short, it works well. So if you are considering purchasing this water heater, I have had no issues with the temp setting not working properly, only, as I just learned, electric water heaters can take anywhere between 3 to 24 hours to adjust to the new temp setting. Also, we upgraded from a 4500w to this 5500w, and it costs less to run. Instalation was a breeze.
Originally posted on www.ge.com

Yes, I recommend this product

5 Stars

Great warranty

MoralesSam 1/19/2026

I just replaced a 20+ year GE water heater. It still was working, but I figured that it would go out soon so I opted to replace it with this comparable model. I can only hope it lasts as long.
Originally posted on www.ge.com

Yes, I recommend this product

5 Stars

20 yrs from a Water Heater now that's Quality

Murffie 1/7/2026

I purchased this GE water heater because my previous GE water heater lasted 20 years. So if GE water Heaters last 20 yrs why try anything else.
Originally posted on www.ge.com

Yes, I recommend this product

5 Stars

Easy water line hookups

JoshWins 12/18/2025

Just purchased a 40 gallon short Electric water heater. Heated the cold water right up. Showered 30 minutes after finishing the installation.
Originally posted on www.ge.com

Yes, I recommend this product

5 Stars

Excellent Product

Richie1982 12/6/2025

We bought this in desparate need of a hot water heater and we have had no problems or issues, water is hot fast and had no problems installing it!!
Originally posted on www.ge.com

Yes, I recommend this product

2 Stars

Water heater

Gee wiz 11/12/2025

Required multiple service visits to get thermostat adjusted for 120 degrees. Days later the range of temperature is 110 to 126. Not what I thought would be for a good water heater.
Originally posted on www.ge.com

No, I do not recommend this product

5 Stars

Hopefully lasts a long time!

KDD HLM 8/24/2025

Nice and easy install. Seems like good quality. Hopefully get 10+ years out of this one.
Originally posted on www.ge.com

Yes, I recommend this product

2 Stars

Poor temperature water heater

Sean2773 8/24/2025

Just bought a new home and the builder went with GE hot water heater. It does not heat water very well at all. It was set to 125 and only puts out 98 degrees. Turned up to 165, and is barely better than warm. This is the first GE product that is substandard. Recommend a different brand of water heater.
Originally posted on www.ge.com

No, I do not recommend this product

5 Stars

Hot water

Twopoor 7/16/2025

We are receiving very hot water through out the house.
Originally posted on www.ge.com

Yes, I recommend this product

5 Stars

Efficient

Hallaandale 5/31/2025

Needed a new Hot water heater. This one is efficient and easy to adjust temps.
Originally posted on www.ge.com

Yes, I recommend this product

5 Stars

EXCELLENT PRODUCT

NO ISSUE 5/20/2025

EXCELLENT PRODUCT, WORKS GREAT AND NEVER ENCOUNTERED ANY ISSUE
Originally posted on www.ge.com

Yes, I recommend this product

5 Stars

Great product.

Alpha03 12/13/2024

Well-upgraded product, features are well-designed whereas the operator can easily adjust heater volume, conserves energy to the fullest.
Originally posted on www.ge.com

Yes, I recommend this product

5 Stars

Makes cold water hot

Your mom 69 5/3/2024

Makes hot water great again. If you™€™ve never had it you should try it
Originally posted on www.ge.com

Yes, I recommend this product

4 Stars

So far, so good.

WillFoo 5/2/2024

So far, so good. It's only been a week, so I'm curious to see how well it's going work 'long term.'
Originally posted on www.ge.com

Yes, I recommend this product

5 Stars

Great heating capacity

8hit 2/17/2024

Hot water heater works great. Plenty of water for my three bedroom home. I could turn my shower on as hot as I want it
Originally posted on www.ge.com

Yes, I recommend this product

1 Stars

Temp Issue

Water Temperature 1/9/2024

Water does not get hot enough- no additional cold water required to reach the temperature for bathing Plumber stated that the temperature meets code without checking the water temp
Originally posted on www.ge.com

No, I do not recommend this product

5 Stars

No problem, good product

Rick Nelson 12/5/2023

It was a direct replacement, size wise, for the earlier model we had. Did not heat water as hot as the older model. That may be due to factory setting being set lower than they did 10 years ago. Otherwise everything was fine.
Originally posted on www.ge.com

Yes, I recommend this product

4 Stars

Happy with our purchase

Nanboo 11/19/2023

The water heater is working good. I didn™€™t give five stars, yet, because we™€™re working with the temperature setting to get it just right. It looks like a quality product and built well.
Originally posted on www.ge.com

Yes, I recommend this product

5 Stars

Waterheater replacement

bmh0424 10/18/2023

Purchased at Spencer's - installed by their subcontractor. Looks great!
Originally posted on www.ge.com

Yes, I recommend this product

5 Stars

So far so good!

sav3367 8/21/2023

So far so good. Once we adjusted the thermostats to 130, it was all good.
Originally posted on www.ge.com

Yes, I recommend this product

3 Stars

Not up to par

Too too late 8/18/2023

The temperature on this heater is not stable. Sometimes we have to turn hot water on all the way and sometimes about half way. I would not purchase again.
Originally posted on www.ge.com

No, I do not recommend this product

5 Stars

water heater

emily84 5/17/2023

So far so good, works just fine. I live in a condo alone and it is perfect.
Originally posted on www.ge.com

Yes, I recommend this product

5 Stars

So far everything is working great.

Wes 69 4/19/2023

The only thing that I would change is the way you get in to the heating elements and temperature adjustment.
Originally posted on www.ge.com

Yes, I recommend this product

5 Stars

easy install works great very happy

Robert905 5/31/2022

Works great very happy with purchase wanted a GE product.
Originally posted on www.ge.com

Yes, I recommend this product

Appearance

 

Features

 

Performance

 

Quality

 

Value

 
5 Stars

easy install works great very happy

Robert905 5/31/2022

Works great very happy with purchase wanted a GE product.
Originally posted on www.ge.com

Yes, I recommend this product

1 Stars

Don't believe the Warrranty

Richard M B 5/28/2021

We bought this water heater in June, 2012. It is now 9 years old. It came with a 12 year warranty. It is leaking, and We cannot get it replaced. We have tried over and over to contact GE to get a replacement. All we get is telephone answering machines. I will never buy a GE product again.
Originally posted on www.ge.com

No, I do not recommend this product

Appearance

 

Features

 

Performance

 

Quality

 

Value

 
1 Stars

Don't believe the Warrranty

Richard M B 5/28/2021

We bought this water heater in June, 2012. It is now 9 years old. It came with a 12 year warranty. It is leaking, and We cannot get it replaced. We have tried over and over to contact GE to get a replacement. All we get is telephone answering machines. I will never buy a GE product again.
Originally posted on www.ge.com

No, I do not recommend this product

5 Stars

Perfect Replacement

Bobbymil 1/15/2021

I researched extensively before purchasing and got the most bang for my buck with this unit. Easy to install and had hot water within an hour.
Originally posted on www.ge.com

Yes, I recommend this product

Appearance

 

Features

 

Performance

 

Quality

 

Value

 
5 Stars

Perfect Replacement

Bobbymil 1/15/2021

I researched extensively before purchasing and got the most bang for my buck with this unit. Easy to install and had hot water within an hour.
Originally posted on www.ge.com

Yes, I recommend this product