A.O. Smith Signature 100 40-Gallon Short 12-year Warranty 40000-BTU Natural Gas Water Heater
Item #962548 |
Model #G12-S4040NVR
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Delivers the ideal amount of hot water for households with 3 to 4 people when sized appropriately
Features an environmentally-friendly 40,000 BTU low NOx gas burner that provides a first hour delivery of 65 gallons
Electronic gas valve provides precise temperature control for optimum hot water delivery
Self-diagnostic electronic gas control incorporates an LED status indicator that monitors and reports on system operational status
Built-in safety system reduces the risk of accidental flammable vapor ignitions
Short 51.5-in H x 22-in diameter design is ideal for condensed spaces like under staircases and closet installations
Tank Guard® provides advanced tank protection that extends the life of your gas water heater
High-altitude certified from 0 ft to 10,100 ft
Provides peace of mind with a 12-year limited tank and parts guarantee and a 3-year limited labor warranty
General | |||
|---|---|---|---|
Type | Tank | Power Source | Gas |
Fuel Type | Natural gas | Use Location | Indoor |
Grade | Residential | Series Name | Signature 100 |
Ignition Type | Piezo | Venting Type | Atmospheric |
Vent Type | Type B double wall | ||
Dimensions | |||
|---|---|---|---|
Nominal Capacity (Gallons) | 40 | Weight (lbs.) | 135 |
Rated Storage Capacity | 38-Gallon | Width (Inches) | 22 |
Vent Diameter(s) | 3-in | Family Size | 4 |
Depth (Inches) | 22 | Water Connection Size | 3/4-in |
Diameter (Inches) | 22 | Insulation Thickness (Inches) | 2 |
Height (Inches) | 51.5 | ||
Features | |||
|---|---|---|---|
Point of Use | No | GPH Recovery at 90 Degrees F (Gallons) | 41 |
Emission Rating | Low NOx | High Altitude Model | Yes |
Annual Fuel Utilization Efficiency % (Percentage) | 0 | Installation Location | N/A (Portable) |
Uniform Energy Factor | .58 | Pilot Light Window | Yes |
BTU Rating | 40000 | Pilot Reset Button | Yes |
Super High Efficiency | No | Temperature and Pressure Relief Valve | Yes |
Grid Capable | No | Water Connection Location | Top |
Scale Prevention | No | Water Heater Style | Short |
Foam Insulation | Yes | ||
Compatibility | |||
|---|---|---|---|
For Use with RVs | No | Works with Android | No |
Works with Apple HomeKit | No | Wi-Fi Compatibility | No |
For Use with Mobile Homes | No | Works with the Google Assistant | No |
Works with SmartThings | No | Bluetooth Compatibility | No |
Works with Amazon Alexa | No | Smart Compatible | No |
Works with iOS | No | ||
Warranty | |||
|---|---|---|---|
Warranty | 12-year limited | ||
Certifications | |||
|---|---|---|---|
CA Residents: Prop 65 Warning(s) | AHRI Certified | Yes | |
ENERGY STAR Certified | No | Safety Listing | CSA safety listing |
Miscellaneous | |||
|---|---|---|---|
UNSPSC | 40101800 | ||
Check out the Best Selling Water Heaters on Lowes.com
Ratings may include incentivized customer reviews.
What Customers Are Saying
The AO Smith water heater is generally well-received, with customers reporting efficient heating and reliable hot water performance. The 12-year warranty is considered a major benefit. However, some customers experienced issues with damaged units or premature component failures. While the majority of reviews are positive, highlighting the product's ease of installation and durability, the quality control and warranty support could be improved.
Customer review summary generated by AI, including incentivized reviews.Just what we needed
Easy to install. Perfect size for our apartment.
From Signature 100 30-Gallon Short 6-year Warranty 32000-BTU Natural Gas Water Heater Verified Purchaser
yea hot water
works great
From Signature 100 30-Gallon Short 6-year Warranty 32000-BTU Natural Gas Water Heater Verified Purchaser
Seems okay
From Signature 100 40-Gallon Short 6-year Warranty 40000-BTU Natural Gas Water Heater Verified Purchaser
Recall
I went to 2 different Lowe’s and every single water heater was dented, will not be buying this brand or water heater from Lowe’s again
From Signature 100 50-Gallons Short 6-year Warranty 40000-BTU Natural Gas Water Heater
Smooth Transaction
From Signature 100 40-Gallon Short 6-year Warranty 40000-BTU Natural Gas Water Heater Verified Purchaser
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A.O. Smith: Featured Videos
COMPARE PRODUCTS
Name | ||||||||
|---|---|---|---|---|---|---|---|---|
Ratings | ||||||||
Type | Tank | |||||||
Height (Inches) | 51.5 | |||||||
Power Source | Gas | |||||||
Tank | Tank | Tank | Tank | Tank | Tank | Tank | Tank | Tank |
51.5 | 61.75 | 60.75 | 59.25 | 51.5 | 62 | 60.75 | 60.75 | 61 |
Gas | Gas | Gas | Gas | Gas | Gas | Gas | Gas | Gas |
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