rheem 18kW 240V Tankless Electric Water Heater, Gray

This tankless electric water heater is a versatile solution for modern households,offering efficient performance tailored to a range of needs. Whether you're supporting a single bathroom or managing multiple water sources in your home, its compact design and powerful output make it a practical choice. By eliminating the need for a large storage tank, it saves space while delivering a continuous supply of hot water, ensuring you never run out during busy mornings or evening showers. the intuitive digital temperature display allows precise control, keeping your water just right without guesswork.Its advanced self-modulating technology adjusts power based on demand, optimizing energy use and reducing bills by up to 50%-a smart upgrade for eco-conscious homeowners.
Designed for simplicity and durability, this unit blends innovation with user-kind features. The sleek, space-saving footprint is 90% smaller than a traditional tank, fitting seamlessly in tight areas like under a sink or in a utility closet. Its field-serviceable components,including two durable copper immersion heating elements,make maintainance straightforward and cost-effective. With a flow rate of up to 4.4 GPM,it handles everyday tasks with ease,from filling a tub to running multiple showers together. The bottom 3/4 inch NPT connections streamline installation, while threaded design ensures easy replacement-no elaborate setups or disruptions. The precision of the external digital thermostatic control with an LED display adds convenience, letting you monitor and adjust temperatures with just a few clicks.
Pros:
- Energy efficiency-draws power only when hot water is needed
- Space-saving-compact size fits in small areas
- No venting required-simplifies installation
- adjustable power output-meets varying hot water demands
- easy maintenance-field-serviceable heating elements
- Digital temperature control-precise and user-friendly
Cons:
- Higher upfront cost-compared to traditional tank models
- Flow rate limitations-may require multiple units for high-demand scenarios
- Sensitive to incoming water temp-may need higher kilowatt capacity in colder climates
| Feature | Highlight |
|---|---|
| flow Rate | Up to 4.4 GPM |
| Energy Savings | Up to 50% on heating bills |
| installation | Simple setup with NPT connections |
| Size | 90% smaller than a tank |
| control | Digital LED display with +/-1 degree accuracy |
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

Whether you're in a chilly climate or a warmer one, this compact water heater adapts to your needs seamlessly.In colder regions, it can deliver enough hot water for a single shower, ensuring you never run out during a cold winter day. In warmer areas, its efficient design allows it to support two showers at once, making it perfect for small households or high-traffic spaces like offices. The unit operates within a temperature range of 80-140°F (27-60°C), offering reliable warmth without wasting energy or space. Its sleek, wall-mountable form factor fits effortlessly into tight corners or can be placed directly at the point of use, eliminating the need for bulky storage tanks.
Designed for energy-conscious users, this heater delivers exceptional thermal efficiency-99% efficient, to be precise-by heating water only when its needed. Unlike traditional tank heaters, it doesn't keep water hot constantly, which saves energy and reduces costs over time. The 13-kilowatt power ensures steady performance, while its flow rate of 1.3-3.1 gallons per minute (depending on inlet temperature) keeps up with low-flow applications like hand sinks, bathrooms, or breakrooms.its precise temperature control and continuous monitoring system maintain a consistent 1°F accuracy, so you always get the right amount of hot water without compromising on efficiency.
- Pros: Energy Efficient,Save Space,Endless On-Demand Hot Water,Compact Design,Low-Flow Compatibility
- Cons: High Amperage Draw,Requires Proper Electrical Setup,Flow Rate Limitations
| Feature | Detail |
|---|---|
| Temperature Range | 80-140°F (27-60°C) |
| Energy Efficiency | 99% thermal energy efficient |
| Flow Rate | 1.3-3.1 GPM |
| Size | 11.5 x 8 x 3.75 inches |
| Applications | Bathroom, sink, breakroom, low-flow use |
Rheem 6.5kW 240V Point of Use Thermostatic Tankless Electric Water Heater

Effortless Hot Water at Your Fingertips
experience uninterrupted hot water delivery with a tankless electric heater that activates only when you need it. By installing directly at the point-of-use, you eliminate the frustrating wait for hot water to travel through pipes, saving both time and energy. This compact design is ideal for small spaces, as it occupies just 90% less room than traditional tank heaters, making it a practical fit for kitchens, bathrooms, or commercial areas.The system's advanced technology ensures water temperature stays within a precise 1 degree of your preferred setting, offering consistent comfort without waste.
Designed for efficiency, this heater intelligently adjusts flow rates to match demand, reducing energy consumption while maintaining performance. Its durable construction includes a one-year parts warranty and a five-year leak warranty, giving you peace of mind for years to come. Whether you're running a home or light commercial operation,the reliable and responsive heating ensures you never face a cold shower or a mid-task temperature drop-just clean,efficient,and immediate hot water.
Pros
- Space-Saving Design: 90% smaller than traditional tank heaters,ideal for tight spaces.
- Energy Efficiency: Heats water only when in use, reducing energy bills.
- On-Demand Hot Water: Continuous delivery without temperature fluctuations.
- Reliable Warranty: One (1) year parts and five (5) year leak coverage.
Cons
- Higher Upfront Cost: Initial investment may exceed traditional systems.
- flow Rate Limitations: Performance depends on water pressure and usage.
- Installation Requirements: May need professional setup for optimal results.
| Feature | Detail |
|---|---|
| Energy saving | Heats water only when in use |
| Space Saving | 90% smaller than traditional tank heaters |
| Temperature Control | Keeps water within 1 degree of selected settings |
| Flow Control | adjusts flow rates for efficient performance |
| Warranty | 1 year parts | 5 year leak coverage |
Achieve New Heights
Rheem 18kW 240V Tankless Electric Water Heater,Gray
Endless On-Demand Hot Water - Consistent hot water when you need it that never runs out. Continuously monitored temperature and controlled flow rates ensure efficiency and performance within 1 degree of your selected setting.
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
99% Energy Efficiency - Advanced self-modulating tech optimizes heat output, reducing energy waste.Ideal for households prioritizing eco-friendly performance without compromising on flow and temperature.

