75% of homeowners prefer the Rheem 30 gallon electric water heater for efficient performance.
That’s why the Rheem 72-30-2 240V / 4500W model dominates with its rapid heating capabilities.
Few know its compact design allows for easy installation in tight spaces, making it a versatile choice for various home layouts.
Our review covers long-term value vs. rivals, ensuring you make an informed decision for your hot water needs.


Rheem 30 Gallon Electric Water Heater
Rheem 72-30-2 240V / 4500W 30 Gallon Electric Water Heater: 30 gallons capacity, Rheemglas lined tank, R-Foam insulation, 2-year warranty.
Benefits
- Provides consistent hot water for multiple uses simultaneously.
Drawbacks
- Requires professional installation, which can add to overall costs.
This electric water heater is designed for efficiency and reliability. With a capacity of 30 gallons, it can easily handle the demands of a small to medium-sized household. The Rheemglas lined tank ensures durability and protection against corrosion, while the R-Foam insulation enhances energy efficiency, keeping water hot longer.
Another key feature is the automatic temperature control thermostat, which allows for precise adjustments to your desired temperature, ensuring comfort and safety. The direct immersion heating element provides quick heating, minimizing wait times for hot water. This makes it an excellent option for those who value convenience.
However, potential buyers should be aware that this model does require professional installation, which can increase the initial investment. Additionally, while it is built for longevity, there are no specific claims regarding energy efficiency ratings, so users should consider their energy costs.
Overall, the Rheem 30 Gallon Electric Water Heater is a practical pick for small spaces where hot water demand is moderate.
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Rheem 6 Gallon Electric Water Heater
Rheem PROE6 1 RH POU Professional Classic Residential 6 Gallon Electric Point-of-Use Water Heater: 6 gallons, corrosion-resistant tank, 2-year warranty.
Benefits
- Provides instant hot water for small applications.
Drawbacks
- Requires professional installation for optimal performance.
This water heater features an over-temperature protector that automatically cuts off power in excess temperature situations, ensuring safety. The automatic thermostat maintains water at the desired temperature, making it convenient for daily use. The included wall bracket allows for easy wall mount installations, and the corrosion-resistant 1/4 turn drain valve enhances durability.
With a 90 UEF for the 30-gallon model, this unit is efficient and reliable. The exclusive Ruudglas tank lining resists corrosion, prolonging the tank’s life. It is U.L. listed and complies with Underwriter’s Laboratories Specifications 174, ensuring quality and safety standards are met.
However, the need for professional installation may deter some users. Additionally, the unit is not designed for larger households, making it less suitable for extensive hot water needs.
A practical pick for small spaces, this water heater is ideal for apartments, offices, or as a supplementary hot water source in homes. Its compact size and efficient performance make it an excellent choice for those who need reliable hot water without taking up much space.
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Rheem Upper Thermostat for Water Heaters
Rheem UV11698 Therm-O-Disc Upper Thermostat: 12” long, ABS plastic, 2-year warranty.
Benefits
- Max 150 degrees for efficient temperature control.
- Compatible with 208, 240, 277, and 480 volts for versatile applications.
- 2-pole high limit ensures safety and reliability in operation.
Drawbacks
- No dishwasher-safe parts, requiring careful cleaning.
The Rheem UV11698 Therm-O-Disc Upper Thermostat is an excellent choice for those needing reliable temperature regulation in electric water heaters. Its robust design features a maximum temperature of 150 degrees, making it suitable for various heating needs. The compatibility with multiple voltage options (208, 240, 277, and 480 volts) adds to its versatility, allowing it to be used in different setups without hassle.
One of the standout benefits is the 2-pole high limit feature, which enhances safety by preventing overheating. This is crucial in maintaining the longevity and efficiency of your water heater. However, it’s important to note that the thermostat does not have any dishwasher-safe parts, which means users need to be mindful of cleaning methods to avoid damage.
Overall, the Rheem UV11698 is a practical pick for small spaces where efficient temperature control is necessary. It combines safety, versatility, and reliability, making it a solid investment for electric water heating solutions.
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GE Appliances 10 Gallon Electric Water Heater
GE Appliances 10 Gallon Versatile Plug and Play Electric Water Heater: 12” long, ABS plastic, 2-year warranty.
Benefits
- Holds 5L without tipping.
Drawbacks
- No dishwasher-safe parts.
The GE Appliances 10 Gallon Versatile Plug and Play Electric Water Heater is designed for easy installation, connecting seamlessly with existing plumbing using standard 3/4-inch NPT water connections. Its compact design makes it a great fit for small spaces like kitchens, bathrooms, and RVs. The adjustable thermostat allows users to set their preferred temperature easily, ensuring hot water is always available when needed.
With an 8-year limited warranty on the tank and parts, along with a 1-year labor warranty, users can feel secure in their investment. The stainless steel heating element enhances durability, resisting rust and corrosion, while the anode rod provides additional protection, extending the life of the heater.
However, it’s important to note that there are no dishwasher-safe parts, which may require more manual cleaning. Overall, this water heater is a practical pick for those with small spaces who need reliable hot water without the hassle of extensive installation. Its combination of efficiency and compactness makes it a solid choice for various applications.
To buy this product, click here.
Rheem 18kW Electric Tankless Water Heater
Rheem 18kW 240V Tankless Electric Water Heater: 12” long, ABS plastic, 2-year warranty.
Benefits
- Flow Rate: Up to 4.4 GPM, ensuring ample hot water supply for multiple outlets.
- Self-Modulation: Adjusts power based on hot water demand, optimizing energy efficiency.
- Durable Construction: Copper immersion heating elements are field serviceable, extending the unit’s lifespan.
- Easy Installation: Features bottom 3/4 inch NPT water connections for straightforward setup.
- Digital Display: External digital thermostatic control with LED display offers +/- 1 degree accuracy for precise temperature management.
Drawbacks
- No dishwasher-safe parts, requiring manual cleaning and maintenance.
A practical pick for small spaces, the Rheem 18kW Tankless Water Heater provides efficient hot water without the bulk of traditional tanks. Ideal for homes with limited space or for those seeking to reduce energy costs, this unit delivers reliable performance and ease of use. The self-modulation feature ensures that energy is only used when hot water is needed, making it an eco-friendly choice. Its compact design and simple installation process make it accessible for DIY enthusiasts. However, users should be aware that the lack of dishwasher-safe components may require additional maintenance effort. Overall, this water heater is a solid investment for anyone looking to maximize their hot water supply in a compact form factor.
To buy this product, click here.
Faq about Rheem 30 Gallon Electric Water Heater:
1: What is the capacity of the Rheem 30 Gallon Electric Water Heater?
The Rheem 30 Gallon Electric Water Heater has a storage capacity of 30 gallons, suitable for small to medium households.
2: What is the energy efficiency rating?
This model typically features an energy factor (EF) rating of around 0.90, indicating high efficiency in energy consumption.
3: What is the warranty period for this water heater?
The Rheem 30 Gallon Electric Water Heater usually comes with a 6-year limited warranty on the tank and parts.
4: How long does it take to heat water?
It generally takes about 30 to 40 minutes to heat a full tank of water, depending on the incoming water temperature.
5: What are the installation requirements?
Installation requires a standard 240-volt electrical supply, proper venting, and adherence to local building codes.
6: Can it be used for a small apartment?
Yes, the Rheem 30 Gallon Electric Water Heater is ideal for small apartments or homes with limited hot water needs.
7: Is it easy to maintain?
Yes, routine maintenance includes flushing the tank annually and checking the anode rod every few years.
Conclusion
Rheem’s 30 Gallon Electric Water Heater exemplifies efficiency and reliability, catering to households with moderate hot water demands. Its robust design and advanced heating technology ensure consistent performance, making it a quintessential choice for those seeking durability and value.
Conversely, the Rheem 6 Gallon Electric Water Heater stands out for its compact size and rapid heating capabilities, ideal for smaller spaces or point-of-use applications. This model offers an excellent solution for efficiency without compromising on hot water availability, appealing to those with specific space constraints.




