AO Smith
A.O. Smith Signature 100 40-Gallon Short Electric Water Heater
Best reliable hot water for compact spaces.
The A.O. Smith Signature 100 Series 40-Gallon Short Electric Water Heater is designed for households of 2-3 people, offering efficient and reliable hot water. Its compact 49.75-inch height and 20.5-inch diameter make it ideal for tight spaces. This model features dual 4,500-watt copper heating elements for a first-hour delivery of 55 gallons and boasts a 0.92 Uniform Energy Factor (UEF) for energy savings. Enhanced durability comes from premium heating elements, an anode rod, and a ceramic fused tank shield to combat corrosion and sediment buildup, extending the unit's life. It includes non-CFC polyurethane foam insulation and factory-installed heat trap nipples to minimize heat loss, ensuring maximum efficiency.
$479.00
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Owner Satisfaction
4.5
/ 5
Category Rank
31
/ 222
#31 in Water Heaters
Price vs Category Average
-47%
Below average
Dimensions
49.7520.5
/ Height (Inches): , Diameter (Inches):
Who it's for
- Homeowners with limited utility space or height restrictions
- Buyers prioritizing established quality and long-term product support
- Small to medium families needing reliable hot water for daily use
Who should skip it
- Budget-conscious consumers concerned about long-term utility expenses
- Large families or those with high, consecutive hot water demands
- Families of four or more, or homes with multiple bathrooms
Key Specs
Dimensions
Height (Inches): 49.75, Diameter (Inches): 20.5
Nominal Capacity
40.0 Gallons
Rated Storage Capacity
37-Gallon
Weight
99 lb
Water Connection Size
3/4-in
Insulation Thickness
2.25 Inches
Fuel Type
Electric
Power Source
Electric
Features
- Compact short design for tight spaces
- Dual copper heating elements for efficient heating
- Self-cleaning dip tube reduces sediment buildup
- Corrosion protection with ceramic fused tank shield
- Energy efficient with 0.92 UEF rating
- Adjustable thermostat for temperature control
- Factory-installed safety features
What customers say
Customers consistently praise this water heater for its dependable performance and straightforward installation. Many highlight its quick recovery time, ensuring a consistent hot water supply for daily needs. Users appreciate the unit's robust build, contributing to a sense of long term reliability. The simple controls and compact design also receive positive mentions, making it a practical choice for various home setups. Overall, the sentiment leans heavily towards satisfaction with its consistent operation and quality construction.
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