A.O. Smith Signature 100 40-Gallon Short 6-year Warranty 3800-Watt Double Element Electric Water Heater
Item #2483235 |
Model #E6-40R38D TTP
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Delivers the ideal amount of hot water for households with 2 to 3 people when sized appropriately
Features Dual 3,800-watt copper heating elements that provide a first hour delivery of 41 gallons
Operates at a 0.88 Uniform Energy Factor for maximum energy-efficiency and cost savings
Has short 49.75-in H x 20.5-in diameter design ideal for condensed spaces like under a staircase or a closet installation
Provides superior tank protection and extends water heater life with premium heating elements, anode rod and fused ceramic tank shield
Reduces heat loss with non-CFC polyurethane foam insulation and factory-installed heat trap nipples for maximum efficiency and energy savings
Features easy temperature control with adjustable thermostat you can set higher or lower for dishwashers and laundry machines
Comes with temperature and pressure relief valve for top installation
Provides peace of mind with a 6-year limited tank and parts guarantee and a 1-year limited labor warranty
General | |||
|---|---|---|---|
Series Name | Signature 100 | Grade | Residential |
Type | Tank | Use Location | Indoor |
Power Source | Electric | ||
Dimensions | |||
|---|---|---|---|
Depth (Inches) | 20.5 | Nominal Capacity (Gallons) | 40 |
Diameter (Inches) | 20.5 | Rated Storage Capacity | 37-Gallon |
Family Size | 3 | Water Connection Size | 3/4-in |
Height (Inches) | 49.75 | Weight (lbs.) | 98 |
Insulation Thickness (Inches) | 2.25 | Width (Inches) | 20.5 |
Features | |||
|---|---|---|---|
Annual Fuel Utilization Efficiency % (Percentage) | 0 | Super High Efficiency | No |
Foam Insulation | Yes | Temperature and Pressure Relief Valve | Yes |
GPH Recovery at 90 Degrees F (Gallons) | 17.5 | Uniform Energy Factor | 0.89 |
Grid Capable | No | Voltage (Volts) | 240 |
Hybrid Heat Pump Technology | No | Water Connection Location | Top |
Point of Use | No | Water Heater Style | Short |
Scale Prevention | No | Wattage (Watts) | 3800 |
Compatibility | |||
|---|---|---|---|
Bluetooth Compatibility | No | Works with iOS | No |
Smart Compatible | No | Works with SmartThings | No |
Wi-Fi Compatibility | No | Works with the Google Assistant | No |
Works with Amazon Alexa | No | For Use with Mobile Homes | Yes |
Works with Android | No | For Use with RVs | No |
Works with Apple HomeKit | No | ||
Warranty | |||
|---|---|---|---|
Warranty | 6-year limited | ||
Certifications | |||
|---|---|---|---|
CA Residents: Prop 65 Warning(s) | AHRI Certified | Yes | |
ENERGY STAR Certified | No | AHRI Certification Number | 206444947 |
Safety Listing | UL safety listing | ||
Miscellaneous | |||
|---|---|---|---|
UNSPSC | 40101800 | ||
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Ratings may include incentivized customer reviews.
What Customers Are Saying
The water heater is generally well-received, with many customers praising its efficient performance and reliable hot water supply. However, some users have reported issues such as leaks, faulty components, and problems with the warranty. The overall quality and durability of the unit appear to be inconsistent, with a few customers experiencing the heater failing within a few years.
Customer review summary generated by AI, including incentivized reviews.It's a little tall for a short water heater
Works very good. It's worth the money I spent you definitely get your money's worth
Verified Purchaser
Easy Install, Solidly constructed
Purchased this water heater and installed it the same day. It was an fairly easy install with all the fittings being mounted on the top.
From aosmith.com
American made
Easy install, quick hot water recovery- exactly what I needed
From aosmith.com
so far so good
good price. quality seems good so far. connections seem solid
From aosmith.com
Not So Happy With Last Unit Installed
On 12/26/2019 Installed Model E9-40R55DV Ser. # 191511469093 On 12/28/2025 I Noticed An Internal Leak Comming From The Outer Metal Frame Leaking Out The Top Of Unit. The Leak Shows Signs Of Water Damage On All The Screws On The Top Rim Of Unit When I Removed The Top Grommet Water Was Leaking Out Had To Replace With New Unit. The Model I Just Registrated. Hope To Get Reimbursed for new unit.
From aosmith.com
Water is hot but leaking tank
I brought this product 3 days ago and it has leaked from the tank nipple since I had it installed. At least the water is hot.
From aosmith.com
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