Name: A.O. Smith Signature 100 38-Gallons Lowboy 6-year Warranty 3800-Watt Double Element Electric Water Heater with Insulation Blanket
Brand: A.O. Smith
SKU: 1002746882
Price: 489 USD
Availability: InStock
Rating: 4.6 (61 reviews)

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A. O. Smith's Signature 100 Series 38-Gallon Lowboy Electric Water Heater is designed to provide efficient and reliable hot water for households with 2 to 3 people when sized appropriately. Our unique low-profile design with top water connections is ideally suited for installations with space constraints. It's designed to last with features including dual copper heating elements, a protective anode rod and a ceramic fused tank shield to reduce corrosion and provide ultimate tank protection. It also has a self-cleaning dip tube to help reduce sediment build-up and extend the overall life of the hot water heater. This added protection comes with a 6-year limited warranty to give you additional peace of mind. Want to save money on your energy bills? This model operates at a 0.90 Uniform Energy Factor (UEF) which can reduce your energy consumption compared to less efficient models. Insulation blanket included. Call 1-877-GOLowes to get this water heater installed.

Delivers the ideal amount of hot water for households with 2 to 3 people when sized appropriately
Features two 3,800-watt copper heating elements that provide a first hour delivery of 38 gallons
Operates at a 0.90 Uniform Energy Factor for maximum energy-efficiency and cost savings
Low-profile 32-in high x 23-in diameter design with top water connections allows for easy installation under counters or vanities and inside cabinets
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)	23	Nominal Capacity (Gallons)	38
Diameter (Inches)	23	Rated Storage Capacity	35-Gallon
Family Size	3	Water Connection Size	3/4-in
Height (Inches)	32	Weight (lbs.)	118
Insulation Thickness (Inches)	1.5	Width (Inches)	23

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	0.90
Grid Capable	No	Voltage (Volts)	240
Hybrid Heat Pump Technology	No	Water Connection Location	Top
Point of Use	No	Water Heater Style	Lowboy
Scale Prevention	No

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)	Prop 65 WARNING(S) -	Safety Listing	UL safety listing
ENERGY STAR Certified	No	AHRI Certified	Yes

Miscellaneous
UNSPSC	40101800

Check out the Best Selling Water Heaters on Lowes.com

Review

4.6 out of 5

61 Reviews

90% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise the water heater for reliable performance, easy installation, and compact design that fits tight spaces like closets and under-counter areas. Most completed setup themselves in under an hour with minimal modifications needed. Reviewers consistently report ample hot water supply, faster recovery times, and improved efficiency compared to older units. Many highlight the thoughtful inclusion of an insulated blanket and user-friendly connections. A few customers encountered isolated issues like leaking caps or delivery damage, though most found these resolved. Overall, customers strongly recommend this model for dependable hot water and space-efficient installation.

Customer review summary generated by AI, including incentivized reviews.

61 Customer Reviews

Sort By

Sulfur smell

Would Not Recommend

The sulfur smell is caused by the only part in the water heater not covered under the warranty. They will last 1-2 years and then need to be replaced. I went through 2 of them and will now go with a reliable brand/model. I would not buy this brand again.

KatrinaJuly 6, 2026
From Signature 100 28-Gallons Lowboy 6-year Warranty 3800-Watt Double Element Electric Water Heater with Insulation Blanket

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Response from Published by the A. O. Smith Team

We are sorry to hear of your experience. We want to ensure the issue is resolved.

Please send your phone number to talktous@aosmith.co...

Published by the A. O. Smith TeamJuly 8, 2026

Easy to install

Ann1July 6, 2026
From Signature 100 28-Gallons Lowboy 6-year Warranty 3800-Watt Double Element Electric Water Heater with Insulation Blanket Verified Purchaser

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Hot Water Heater

Would Recommend

I have the same wayer heater at my other home for over a year now, they work great, always reliable, and fast recovery.

Joey DeeMay 25, 2026
From Signature 100 28-Gallons Lowboy 6-year Warranty 3800-Watt Double Element Electric Water Heater with Insulation Blanket Verified Purchaser

Was this Review Helpful ?

I would highly recommend this heater.

Would Recommend

Nice water heater, easy hookup

DHandrickMay 23, 2026
From Signature 100 28-Gallons Lowboy 6-year Warranty 3800-Watt Double Element Electric Water Heater with Insulation Blanket Verified Purchaser

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Its a good product

Would Recommend

Im happy I bought this im very very happy with it it works real well

Hot46April 19, 2026

From aosmith.com

Just make sure you for the pan under it

Would Recommend

It is a great hot water heater it fit in my area great

Jimbo HillApril 19, 2026
Verified Purchaser

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Easy Install!

Would Recommend

Very pleased with the features and the ease of installation

Freddie46April 10, 2026

From aosmith.com

This works perfect

Would Recommend

As many of our properties require a shorter water tank we appreciate how this one fits within our needs.The quality is made well, easy for repair personnel to handle and install. Pricing is excellent.

Clear PointMarch 11, 2026
From Signature 100 28-Gallons Lowboy 6-year Warranty 3800-Watt Double Element Electric Water Heater with Insulation Blanket Verified Purchaser

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/757bd2b7-7beb-52da-91d0-fa98cc977c5a

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23 Questions

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