A strong 40-gallon electric water heater delivers dependable household hot water while matching your space, electrical service, and installation needs. This size suits buyers comparing standard tank replacements for smaller households, but the best fit depends on more than capacity alone. The 10 options here include short and lowboy designs for restricted spaces, conventional 240-volt models, connected controls, corrosion-protection features, and alternatives that are not standard electric tank heaters.
Check dimensions carefully: a 40-gallon unit may stand nearly 63 inches tall, while short models measure 52.88 inches and one lowboy is 32.75 inches high. Also confirm voltage, wattage, relief-valve configuration, and whether your installation calls for a tank, hybrid heat pump, or solar storage system.
For a conventional 40-gallon electric tank, compare the GE Smart Short, GE40S08DAT, Bradford White RE340T6-1NCWW, Bradford White RE340S6-1NCWW, and Rheem Richmond T2V40-D. The GE Smart Short adds built-in WiFi and a limited 10-year tank-and-parts warranty. The GE Profile and Bradford White options use 4,500-watt, 240-volt configurations, while the GE lowboy prioritizes a 32.75-inch height.
Choose by available clearance, electrical compatibility, household demand, and protection features rather than capacity alone.
Comparing 40 Gallon Electric Water Heaters
| Image | Product | Buy |
|---|---|---|
Best Pick 1 ![]() | GE Appliances Smart 40 Gallon Short Electric Water Heater, 10-Year Warranty with Adjustable Thermostat, Hot Water for the whole family, 240V Best for: Smart family hot water Brand: GE | Capacity: 40 gallons | View on Amazon |
Best Pick 2 ![]() | GE GE40L08BSM 40 Gallon Lowboy Electric Water Heater with Two 5500 Watts Heating Elements Inlet Tube and Side Port in Gray Best for: Lowboy installation needs Brand: GE | Capacity: 40 gallons | View on Amazon |
Best Pick 3 ![]() | Bradford White RE340T6-1NCWW Bwc 40Gal 240V Best for: Compact Bradford White Brand: Bradford White | Capacity: 40 gallons | View on Amazon |
Best Pick 4 ![]() | GE 40 Gallon Short 4500W Electric Water Heater, GE40S08DAT Best for: Short electric heating Brand: Profile | Capacity: 40 gallons | View on Amazon |
Best Pick 5 ![]() | Senville Hybrid Heat Pump Electric Water Heater, Energy Star, 50 Gallon Best for: Energy efficient hybrid Brand: Senville | Capacity: 50 gallons | View on Amazon |
How We Compared These Products
We compared dimensions, capacity, materials, compatibility, included components, and care requirements across many Amazon listings. These details matter because the product must fit the available space, intended use, setup requirements, and maintenance routine. After examining the wider field, we selected 10 products from GE, Bradford White, Profile, Senville, Rheem, MRCOOL COMFORT MADE SIMPLE, and Duda Solar.
The shortlist includes products such as GE Appliances Smart 40 Gallon Short Electric Water Heater, Bradford White RE340T6-1NCWW Bwc 40Gal 240V, and Profile GE 40 Gallon Short 4500W Electric Water Heater. Every recommendation is tied to information stated for that specific product; unclear or missing features were treated as unknown rather than filled with assumptions.
Detailed Reviews: Best Price 40 Gallon Electric Water Heater
1. GE Appliances Smart 40 Gallon Short Electric Water Heater, 10-Year Warranty with Adjustable Thermostat, Hot Water for the whole family, 240V

Best for: Smart home water heating.
This GE Appliances Smart water heater features built-in WiFi, enabling remote monitoring and control for convenient household hot water management. Its 40-gallon capacity is suitable for families of 2 to 4 people, offering reliable performance.
The 40-gallon capacity and 240V operation ensure ample hot water for daily needs. Its short, space-saving design facilitates installation in various locations. The built-in WiFi connectivity allows for smart adjustments and monitoring, enhancing user experience. A limited 10-year warranty on the tank and parts provides long-term assurance.
Product Details
| Brand | GE |
|---|---|
| Capacity | 40 gallons |
| Color | Gray |
| Included Components | WiFi Connect |
| Item Dimensions W x H | 22"W x 52.88"H |
| Item Weight | 121 pounds |
| Manufacturer | GE Appliances |
Additional Product Information
| Part Number | GE40S10BLM |
|---|---|
| Manufacturer Warranty Description | Limited 10-year tank and parts |
| Material | Other |
| Model Number | GE40S10BLM |
| Dimensions | 22"W x 52.88"H |
| Special Feature | Built-in WiFi |
| Special Features | Built-in WiFi |
| Style Name | Indoor Installation |
| Voltage | 240 volts |
| Additional Information | Important Information Bulb Voltage 240 volts Proposition 65 Warning for California Consumers WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
Pros
- Built-in WiFi for smart control
- Suitable for 2-4 person households
- Space-saving short design
- 10-year limited warranty
Cons
- 121 pounds may require assistance for installation
Ideal for tech-savvy homeowners needing a connected 40-gallon water heater. Ensure sufficient space for its 22" width and 52.88" height.
2. GE GE40L08BSM 40 Gallon Lowboy Electric Water Heater with Two 5500 Watts Heating Elements Inlet Tube and Side Port in Gray

Best for: Compact lowboy installation.
The GE Appliances 40 Gallon Lowboy Electric Water Heater offers a compact design for installation in tight spaces where height is limited. It features two 5500-watt heating elements for efficient hot water delivery.
This 40-gallon lowboy unit is designed for challenging installations, measuring 27" wide and 32.75" high, making it ideal for basements or crawl spaces. It operates on 240 volts and includes a pressure release valve for safety. The dual 5500-watt heating elements ensure rapid water heating.
Product Details
| Brand | GE |
|---|---|
| Capacity | 40 gallons |
| Color | Gray |
| Included Components | No Built-in Media |
| Item Dimensions W x H | 27"W x 32.75"H |
| Manufacturer | GE Appliances |
| Manufacturer Warranty Description | Limited 8-year tank and parts |
Additional Product Information
| Material | Other |
|---|---|
| Model Number | GE40L08BSM |
| Dimensions | 27"W x 32.75"H |
| Special Feature | Pressure Release Valve |
| Special Features | Pressure Release Valve |
| Style Name | Indoor Installation |
| Voltage | 240 volts |
| Additional Information | Important Information Bulb Voltage 240 volts Proposition 65 Warning for California Consumers WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
Pros
- Lowboy design for limited height spaces
- Dual 5500-watt heating elements
- Includes pressure release valve
- Suitable for utility areas
Cons
- 8-year limited warranty is shorter than some competitors
Best for homes with limited vertical clearance needing a 40-gallon water heater. Verify dimensions fit your installation area, especially the 27" width.
3. Bradford White RE340T6-1NCWW Bwc 40Gal 240V

Best for: High-wattage heating performance.
This Bradford White 40-gallon electric water heater features 4500-watt elements for robust hot water recovery. It includes a protective magnesium anode rod to enhance tank longevity and combat corrosion.
Operating at 240 volts, this 40-gallon unit utilizes 4500-watt elements to provide quick hot water replenishment. The alloy steel tank is protected by a magnesium anode rod, extending its service life. Its dimensions are 20"W x 62"H, and it weighs 150 pounds, requiring a stable installation location.
Product Details
| Brand | Bradford White |
|---|---|
| Capacity | 40 gallons |
| Color | White |
| Included Components | Water Heater |
| Item Dimensions W x H | 20"W x 62"H |
| Item Weight | 150 pounds |
| Manufacturer | Bradford White |
Additional Product Information
| Part Number | RE340T6-1NCWW |
|---|---|
| Material | Alloy Steel |
| Model Number | RE340T6-1NCWW |
| Dimensions | 20"W x 62"H |
| Special Feature | Protective magnesium anode rod |
| Special Features | Protective magnesium anode rod |
| Style Name | Indoor Installation |
| Voltage | 240 volts |
| Wattage | 4500 watts |
| Additional Information | Important Information Wattage 4500 watts Bulb Voltage 240 volts Proposition 65 Warning for California Consumers WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov Small parts. Not for children under 3 yrs. |
Pros
- 4500-watt heating elements for fast recovery
- Protective magnesium anode rod
- Durable alloy steel tank
- Standard 240V operation
Cons
- 150 pounds weight may necessitate professional installation
Suitable for users prioritizing rapid hot water recovery with a 40-gallon capacity. Confirm installation space accommodates its 62" height and 20" width.
4. GE 40 Gallon Short 4500W Electric Water Heater, GE40S08DAT

Best for: Short electric water heater.
The GE 40 Gallon Short Electric Water Heater delivers 4500 watts of heating power and includes safety features like leak detection and overheat protection. Its short design is ideal for space-constrained installations.
This 40-gallon short electric water heater operates at 240 volts with 4500-watt heating elements for efficient performance. It includes an adjustable thermostat, anode rod, brass drain valve, and inlet tube. Safety features such as leak detection and overheat protection are integrated for peace of mind.
Product Details
| Brand | Profile |
|---|---|
| Capacity | 40 gallons |
| Color | Gray |
| Included Components | Adjustable Thermostat, Anode Rod, Brass Drain Valve, Inlet Tube, Water Heater Unit |
| Item Dimensions W x H | 22"W x 52.88"H |
| Item Weight | 121 pounds |
| Manufacturer | GE Appliances |
Additional Product Information
| Manufacturer Warranty Description | Limited 8-year tank and parts |
|---|---|
| Material | Brass, Stainless Steel, Steel |
| Model Number | GE40S08DAT |
| Dimensions | 22"W x 52.88"H |
| Special Feature | Leak Detection, Overheat Protection, Pressure Release Valve |
| Special Features | Leak Detection, Overheat Protection, Pressure Release Valve |
| Style Name | Short Electric Water Heater |
| Voltage | 240 volts |
| Wattage | 4500 watts |
| Additional Information | Important Information Wattage 4500 watts Bulb Voltage 240 volts |
Pros
- 4500-watt heating for quick recovery
- Leak detection and overheat protection
- Includes adjustable thermostat
- Short design for easy placement
Cons
- 8-year limited warranty on tank and parts
A good choice for households needing a compact 40-gallon water heater with enhanced safety features. Ensure clearance for its 22" width and 52.88" height.
5. Senville Hybrid Heat Pump Electric Water Heater, Energy Star, 50 Gallon

Best for: Energy Star hybrid heat pump.
This Senville Hybrid Heat Pump Electric Water Heater is Energy Star certified, utilizing a heat pump system for efficient operation. Its 50-gallon capacity is designed to meet the hot water demands of larger households.
The 50-gallon hybrid heat pump system offers energy efficiency, leveraging ambient air to heat water. Its dimensions are 21.4"W x 66.5"H, and it weighs 218 pounds. This model is designed for continuous hot water supply with reduced energy consumption compared to standard electric heaters.
Product Details
| Brand | Senville |
|---|---|
| Capacity | 50 gallons |
| Color | Gray |
| Included Components | Hybrid Heat Pump Water Heater |
| Item Dimensions W x H | 21.4"W x 66.5"H |
| Item Weight | 218 pounds |
| Manufacturer | Senville |
Additional Product Information
| Model Number | SENWH-HP50US |
|---|---|
| Dimensions | 21.4"W x 66.5"H |
| Special Feature | Heat Pump System |
| Special Features | Heat Pump System |
Pros
- Energy Star certified for efficiency
- Hybrid heat pump system
- 50-gallon capacity
- Reduces energy consumption
Cons
- Higher initial weight of 218 pounds
Ideal for environmentally conscious users seeking an energy-efficient 50-gallon water heater. Verify installation space can accommodate its 66.5" height and 21.4" width.
6. Rheem PROE50 M2 RH95 50-Gallon Professional Classic Medium Residential Electric Water Heater, Gray; Enhanced-flow Brass Drain Valve; 18.75 Amps; Automatic Thermostat; Anode Rod

Best for: Professional classic residential heater.
The Rheem 50-Gallon Professional Classic Electric Water Heater features an enhanced-flow brass drain valve and an automatic thermostat for consistent temperature control. Its isolated tank design contributes to durability.
This 50-gallon electric water heater is designed for households of 3-5 people or homes with 3+ bathrooms, providing ample hot water. It operates with 18.75 Amps and features an automatic thermostat and an anode rod for tank protection. The enhanced-flow brass drain valve simplifies maintenance.
Product Details
| Brand | Rheem |
|---|---|
| Capacity | 50 gallons |
| Color | Gray |
| Included Components | 50 GAL MED ELEC HTR |
| Item Dimensions W x H | 23"W x 48"H |
| Manufacturer | Rheem |
| Part Number | PROE50 M2 RH95 |
Additional Product Information
| Material | Brass |
|---|---|
| Model Number | PROE50 M2 RH95 |
| Dimensions | 23"W x 48"H |
| Special Feature | Enhanced-flow brass drain valve, Automatic thermostat, Isolated tank design, Resistored stainless steel heating elements See more |
| Special Features | Enhanced-flow brass drain valve, Automatic thermostat, Isolated tank design, Resistored stainless steel heating elements |
| Style Name | Classic,Professional |
Pros
- Suitable for 3-5 person households
- Enhanced-flow brass drain valve
- Automatic thermostat
- Anode rod for tank protection
Cons
- 50-gallon capacity may be excessive for smaller households
A reliable 50-gallon option for larger families needing consistent hot water. Ensure installation space accommodates its 23" width and 48" height.
7. MRCOOL Electric Tank Water Heater, Dual Element, 4500W, Gray, 50 Gallon

Best for: Self-cleaning dual element heater.
The MRCOOL Electric Tank Water Heater features a self-cleaning system and a rare earth anode rod to maintain efficiency and prolong tank life. Its 50-gallon capacity and dual 4500W elements ensure ample hot water.
This 50-gallon water heater is equipped with dual 4500W elements for rapid heating and a self-cleaning system that reduces sediment buildup. The rare earth anode rod offers superior corrosion protection. Its dimensions are 27.2"W x 49.5"H, making it a substantial unit for home use.
Product Details
| Brand | MRCOOL COMFORT MADE SIMPLE |
|---|---|
| Capacity | 50 gallons |
| Color | Gray |
| Included Components | Water heater |
| Item Dimensions W x H | 27.2"W x 49.5"H |
| Manufacturer | MRCOOL |
| Model Number | MTWH04550E |
Additional Product Information
| Dimensions | 27.2"W x 49.5"H |
|---|---|
| Special Feature | Self-Cleaning System, Rare Earth Anode Rod |
| Special Features | Self-Cleaning System, Rare Earth Anode Rod |
| Additional Information | Important Information Proposition 65 Warning for California Consumers WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
Pros
- Self-cleaning system reduces sediment
- Rare earth anode rod for corrosion resistance
- Dual 4500W elements for fast heating
- 50-gallon capacity
Cons
- 27.2" width requires significant installation space
Recommended for users seeking a low-maintenance 50-gallon water heater with efficient dual-element heating. Check installation area for its 27.2" width and 49.5" height.
8. RHEEM T2V40-D 2492502 240V 4500W Richmond Essential Tall Electric Mobile Home Water Heater with Side T&P Relief Valve, 40 gallon

Best for: Mobile home essential water heater.
The Richmond Essential Tall Electric Water Heater is specifically designed for mobile homes, offering a 40-gallon capacity and 4500-watt heating power. It includes a side T&P relief valve for safety.
This 40-gallon water heater, rated at 4500 watts and 240 volts, provides hot water for households of 2-3 people. Constructed with glass-lined steel and an enameled exterior, it is built for durability. Its tall design requires appropriate vertical clearance for installation.
Product Details
| Brand | Rheem |
|---|---|
| Capacity | 40 gallons |
| Color | Gray |
| Included Components | Water Heaters^water-heaters |
| Item Weight | 106 pounds |
| Manufacturer | GB Industrial Direct |
| Part Number | T2V40-D |
Additional Product Information
| Material | Glass-Lined Steel, Enameled Exterior |
|---|---|
| Model Number | T2V40-D |
| Style Name | Indoor Installation |
| Wattage | 4500 watts |
| Additional Information | Important Information Wattage 4500 watts Bulb Voltage 0 volts |
Pros
- Designed for mobile homes
- 40-gallon capacity for 2-3 people
- 4500-watt heating element
- Includes side T&P relief valve
Cons
- Voltage specification '0 volts' in provided data is unclear and potentially erroneous
A suitable 40-gallon water heater for mobile home applications. Verify the electrical voltage compatibility and ensure adequate space for its tall profile.
9. 150 Liter 40 Gallon Stainless Steel Solar Hot Water Heater Tank Dual Copper Coil Heat Exchangers

Best for: Solar water heater tank.
This Duda Solar 40-gallon stainless steel tank features dual copper heat exchangers for efficient solar water heating systems. It utilizes a high-pressure polyurethane foaming layer for insulation.
Designed for active solar systems, this 40-gallon tank has an inner SUS 304-2B stainless steel tank and an outer galvanized steel tank. The dual copper coils act as heat exchangers, transferring heat from an antifreeze fluid. Insulation density is 36 kg/m3 with an R-Value of 12.5.
Product Details
| Brand | Duda Solar |
|---|---|
| Color | Dual Coil |
| Item Weight | 105.8 pounds |
| Item model number | tank152 |
| Manufacturer | Duda Energy |
| Material | Stainless Steel |
| Dimensions | 18.5 x 18.5 x 59.06 inches |
Additional Product Information
| Size | 150 Liter Dual Coil |
|---|---|
| Special Features | Dual Coil |
| Style | Automatic |
| Additional Information | Important Information Proposition 65 Warning for California Consumers WARNING: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov |
Pros
- Dual copper heat exchangers
- Stainless steel inner tank
- High-density polyurethane insulation
- Designed for solar systems
Cons
- Requires a separate solar collector and fluid system
For users integrating a solar water heating system requiring a 40-gallon tank with dual heat exchangers. Ensure compatibility with your solar collector setup.
10. Bradford White RE340S6-1NCWW Bwc 40Gal 240V

Best for: Corrosion-resistant anode rod.
The Bradford White 40-gallon electric water heater features a protective magnesium anode rod designed for long service life and corrosion resistance. It operates on 240 volts with 4500-watt heating elements.
This 40-gallon water heater employs a protective magnesium anode rod to prevent corrosion within the alloy steel tank, ensuring extended durability. It operates at 4500 watts and 240 volts for efficient hot water delivery. The unit measures 30" x 30" x 60" in its packaging.
Product Details
| Brand | Bradford White |
|---|---|
| Capacity | 40 gallons |
| Color | White |
| Included Components | Water Heater |
| Item Weight | 120 pounds |
| Manufacturer | Bradford White |
| Part Number | RE340S6-1NCWW |
Additional Product Information
| Material | Alloy Steel |
|---|---|
| Model Number | RE340S6-1NCWW |
| Special Feature | Protective Magnesium Anode Rod |
| Special Features | Protective Magnesium Anode Rod |
| Style Name | Indoor Installation |
| Voltage | 240 volts |
| Wattage | 4500 watts |
| Additional Information | Important Information Wattage 4500 watts Bulb Voltage 240 volts |
Pros
- Protective magnesium anode rod
- 4500-watt heating elements
- Durable alloy steel tank
- Standard 240V operation
Cons
- Packaging dimensions are large at 60 inches high
A solid choice for a 40-gallon water heater focused on corrosion resistance. Confirm installation space can accommodate its size, especially the 60-inch package height.
What Buyers Often Overlook
Sizing and installation fit
The most important fit difference among these products is physical shape, not just the 40-gallon label. The GE Smart Short and GE40S08DAT measure 22 inches wide by 52.88 inches high, making them relevant where a standard tall tank may not fit. The GE GE40L08BSM lowboy is shorter at 32.75 inches but wider at 27 inches, which may suit a basement, crawl space, or other height-limited area.
Bradford White RE340T6-1NCWW is 20 inches wide and 62 inches high, while the Richmond T2V40-D has a 40-gallon capacity but does not provide full dimensions in the supplied data. Before selecting, measure the full installation area, including service access and connection clearance, then verify the unit’s voltage and local installation requirements.
A narrow tall tank and a short wide tank solve different space problems.
The Key Product Trade-Off
Capacity, heating design, and category trade-offs
A 40-gallon tank is the closest match to the stated category, but the list also includes larger or nonstandard alternatives. The Rheem PROE50 M2 RH95, Senville SENWH-HP50US, and MRCOOL MTWH04550E each provide 50 gallons, which may be relevant when a household needs more stored water, though capacity alone does not establish recovery performance. The Senville uses a hybrid heat-pump system rather than a conventional electric-tank design.
The Duda Solar tank is a 150-liter, approximately 40-gallon solar storage tank with dual copper-coil heat exchangers, so it is not a direct plug-in replacement for the listed 240-volt electric models. Conventional choices include 4,500-watt elements on several units, while the GE lowboy specifies two 5,500-watt heating elements.
Confirm the existing system type and electrical setup before treating any model as a like-for-like replacement.
Best Price 40 Gallon Electric Water Heater: Buyer's Guide
Fit, Dimensions, and Compatibility
Compare the listed dimensions with the intended counter, cabinet, appliance, storage, or installation space. Confirm model compatibility and connection requirements where they are supplied. A useful feature cannot compensate for a product that does not physically fit or work with the buyer’s existing setup.
Capacity, Output, and Operating Format
Match listed capacity, volume, output, and operating mode to the actual household or work routine. Larger figures can support heavier use, while a smaller format may be easier to place and maintain. Treat daily output, immediate storage, and container capacity as separate specifications when the listing distinguishes them.
Materials, Construction, and Care
Use the listed materials and care instructions to judge cleaning effort, storage conditions, and compatibility with the intended use. Dishwasher, freezer, food-contact, or weather-related claims are included only when supplied for that product. Check whether routine care fits the way the product will be used.
Included Components and Setup Needs
Review the included components before planning installation or first use. Hoses, adapters, lids, paddles, bowls, brushes, controls, and manuals vary by listing. Confirm power, water, assembly, or accessory requirements from the supplied product information rather than assuming that separately pictured parts are included.
Which Should You Choose?
Choose the GE Appliances Smart 40 Gallon Short if built-in WiFi, a 52.88-inch short profile, and a limited 10-year tank-and-parts warranty matter most. Choose the GE40L08BSM lowboy when height is restricted and its 27-inch width can fit. The GE Profile GE40S08DAT suits buyers seeking a short 4,500-watt model with leak detection, overheat protection, an adjustable thermostat, and an eight-year limited warranty.
Bradford White’s RE340T6-1NCWW and RE340S6-1NCWW emphasize 4,500-watt, 240-volt operation and protective magnesium anode rods. Consider Rheem’s 50-gallon model for a larger tank, Senville for hybrid heat-pump operation, MRCOOL for self-cleaning and a rare-earth anode, or Duda Solar only for a compatible solar setup.
Quick Buying Checklist
- Confirm the complete dimensions against the available space.
- Verify model, accessory, connection, and appliance compatibility.
- Match capacity or output to the expected amount of use.
- Compare materials and care instructions with the maintenance routine.
- Check the included components before planning setup or first use.
- Confirm listed power, water, storage, or installation requirements where applicable.
Frequently Asked Questions
What is the typical lifespan of a 40-gallon electric water heater?
Most 40-gallon electric water heaters are designed to last between 10 to 15 years. Regular maintenance, such as flushing the tank annually and checking the anode rod, can help extend its operational life and prevent premature failure.
How do I know if my water heater needs replacing?
Signs your water heater may need replacement include visible rust or leaks around the tank, unusual noises like popping or rumbling, a decrease in hot water supply, or water that is discolored or has a metallic taste.
What are the energy efficiency considerations for electric water heaters?
Electric water heaters vary in efficiency. Look for Energy Star certified models, which use less energy. Hybrid models, like heat pump water heaters, are significantly more efficient than standard electric resistance models, leading to lower utility bills.
Can a 40-gallon electric water heater meet the needs of a large family?
A 40-gallon tank is generally suitable for households with 2-3 people. For larger families or those with high hot water usage, a larger capacity tank or a model with faster recovery rates might be necessary to ensure consistent hot water availability.
What maintenance is required for an electric water heater?
Essential maintenance includes flushing the tank annually to remove sediment, which improves efficiency and longevity. Inspecting and replacing the anode rod every 2-3 years is also crucial to prevent tank corrosion and extend the heater’s lifespan.
Final Words
When selecting a 40-gallon electric water heater, prioritize models that align with your household’s specific hot water demands and installation space. While many offer robust features, a well-maintained unit typically provides reliable service for many years.