20 Best Electric Tankless Water Heater For Rv (Jan 2023 Update)
Are you looking for the Best Electric Tankless Water Heater For Rv? If so, you’ve come to the right place.
Choosing the Best Electric Tankless Water Heater For Rv can be difficult as there are so many considerations, such as A. O. Smith, Eccotemp, Eemax, Marey, Noritz, Rheem, Stiebel Eltron. We have done a lot of research to find the Top 20 Best Electric Tankless Water Heater For Rv available.
The average cost is $355.84. Sold comparable range in price from a low of $145.35 to a high of $811.31.
Based on the research we did, we think Rheem RTEX-18 18KW Tankless Electric Water Heater is the best overall. Read on for the rest of the great options and our buying guide, where you can find all the information you need to know before making an informed purchase.
20 Best Electric Tankless Water Heater For Rv (20 Sellers)
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- External digital thermostatic control with led display (+/1 degree accuracy)
- Most advanced self-modulation, adjust power to meet hot water demand
- Durable copper immersion two heating elements, field serviceable
- On demand, consistent and endless hot water
- Compact and stylish with digital temperature control in increments of 1°f ranging from 80°f to 140°f
- 99.8% energy efficient. external controls to adjust temperature in increments of 1°f
- German-designed with high quality stainless steel water channel and heating chamber.
- Requires (1) 60 amp breaker and must be installed by a professional plumber or electrician to ensure safety and quality.
- Marey's eco line can maintain 98% efficiency level throughout their lifetime.
- Tankless water heater
- 54 max amps
- Never run out of hot water with an ecosmart tankless water heater
- Easy to install,can be installed with either 208v, or 220v
- Digital temperature display in 1-degree increments
- Part number
- Item weight
- 0.01 ounces
- External digital display, shows outlet temperature
- Durable copper immersion single heating element, field serviceable
- Simple installation: 3 foot electric cable included; bottom 1/2 inch npt water connections
- On-demand, continuous and unlimited supply of hot water
- Sleek design saves space and no venting required
- Electronic switch activated for virtually silent operation. phase- single 60 hz. voltage- 208 v. wattage- 27 kw
- Compact size saves valuable storage space save energy
- Patented self-modulating technology adjusts energy based on hot water needs save time
- No venting, unit can be installed directly at the point-of-use save money
- Serves 2 sinks + 1 shower
- Simple and secure operation
- Easy and quick installation
- Energy and cost savings: heats water only when it is needed for savings of up to 50% on water heating costs when used in a point-of-use application
- Space savings: small compact design fits perfectly in tight places like under cabinets and sinks
- Easy to maintain: durable easy-to-replace heating elements
- Space savings: small, compact design fits perfectly in tight places like under cabinets and sinks
- Great investment and value: energy cost savings
- Easy to maintain: durable, easy-to-replace heating elements
- Airthereal electric tankless water heaters deliver a continuous flow of hot water. with no need to reheat more water in the tank, saving up to 50% on your water heating…
- Product type: tankless water heater csa listed: yes voltage: 240 volt wall mountable: yes power source: electric amperage: 66 amps warranty: 1 year maximum pressure: 150 psi water connection size:…
- Provides continuous hot water for ultimate convenience
- Patented self modulating technology and design
- Designed with standard and reliable easy to service elements and hea
- Smart microprocessor technology unique to tempra water heaters delivers steady water temperature even when flow rate vary as taps are adjusted
- Self-modulating technology saves energy by adjusting electrical usage
- Tempra tankless electric water heaters must be correctly sized and you should consult the sizing guide to determine the correct model for you
- Can serve up to 6 applications (4 showers and 2 faucets in in warm to hot climates).
- Reference the performance guide to confirm this unit will provide sufficient hot water to meet your need.
- Requires 3 x 40a double-pole breakers, 3 x 8/2 awg wires, 240v.
- Convenient tankless hot water heater: 17.3 kw tankless whole house electric water heater provides hot water when needed, for as long as needed
- Easy installation: can be installed virtually anywhere for commercial or residential applications
- Consistent temperature: polymer encased elements & built-in flow sensor ensures constant output temperature
- Major energy savings
- Extremely compact design saves space
- Proven reliability
- Ideal for a point of use water heating.
- Saves significant water, electricity and space.
- Requires very little water pressure for activation.
1. Rheem Rtex-18 18kw Tankless Electric Water Heater

Product Details:
Specifications:
Item – Water Heaters | Electric Tankless Water Heater |
Water Heater Design | Whole House |
Water Heater Application | General Purpose |
Commercial / Residential | Both |
Watts – Water Heaters | 18,000 |
Amps – Water Heaters | 75 |
Voltage – Water Heaters | 208/240 |
Min. Flow Activation | 0.30 gpm |
Phase – Water Heaters | 1 |
Temp. Range – Water Heaters | 59 Degrees to 140 Degrees F |
Standards | UL 499, CSA |
Amps AC | 75 |
Default Temperature | 120 Degrees F |
Temp. Rise @ 6.0 GPM | Limited to Thermostatic Setting |
Phase | single |
Tank Capacity | 18 gal. |
Max. Flow Rate | 4 gpm |
Elements | Lead-Free Replaceable Cartridge Insert |
Fuel Type | Electric |
Temp. Range | 59 Degrees to 140 Degrees F |
Water Connection | 3/4" NPT |
Height to Top of Vent Connection | 18.25" |
Voltage | 208/240VAC |
Residential / Commercial | Both |
Mounting | Wall |
Vent Type | Tankless Electric |
Pressure Range | 25 to 150 psi |
Temp. Rise @ 4.0 GPM | 31 Degrees F |
Height to Top of Heater | 18.25" |
Temp. Rise @ 2.5 GPM – Water Heaters | 49 Degrees F |
Wire Size | 8 AWG |
Temp. Rise @ 2.5 GPM | 49 Degrees F |
Environment | Indoor |
Element Material | Copper |
Current | 75 A |
Minimum Water Pressure | 25 psi |
Temperature Range | 80 Degrees F to 140 Degrees F |
Adjustable Thermostat | Yes |
Minimum Flow Activation | 0.3 gpm |
Cord Conductor Gauge | 8 AWG Wire |
Water Connection Location | Bottom |
Control Type | Dial, Digital Display with Keypad |
Maximum Water Pressure | 150 psi |
Cold Inlet Size | 3/4 in |
Power Consumption | 18,000 W |
Overall Dimensions – H x W x D | 18.25 in x 8.25 in x 3.5 in |
Market | Residential |
Mounting Type | Wall Mounting |
Maximum Flow Rate | 7 gpm |
Operating Voltage | 240V AC |
Country of Origin (subject to change) | China |
Reviews:
2. Rheem Rtex-04 Electric Tankless Water Heater

Product Details:
Specifications:
Item – Water Heaters | Electric Tankless Water Heater |
Water Heater Design | Point-of-Use |
Water Heater Application | Undersink |
Commercial / Residential | Both |
Watts – Water Heaters | 3500 |
Amps – Water Heaters | 29 |
Voltage – Water Heaters | 120 |
Min. Flow Activation | 0.30 gpm |
Phase – Water Heaters | 1 |
Temp. Range – Water Heaters | 59 Degrees to 140 Degrees F |
Standards | UL 499, CSA |
Elements | Lead-Free Replaceable Cartridge Insert |
Amps AC | 29 |
Water Connection | 1/2" NPT |
Default Temperature | 120 Degrees F |
Height to Top of Vent Connection | 5.88" |
Mounting | Wall |
Pressure Range | 25 to 150 psi |
Temp. Rise @ 6.0 GPM | Limited to Thermostatic Setting |
Residential / Commercial | Both |
Voltage | 120 VAC |
Height to Top of Heater | 5.88" |
Temp. Rise @ 0.5 GPM | 48 Degrees F |
Wire Size | 10 AWG |
Vent Type | Tankless Electric |
Temp. Range | 59 Degrees to 140 Degrees F |
Tank Capacity | 3.5 gal. |
Fuel Type | Electric |
Max. Flow Rate | 1 gpm |
Phase | single |
Watts | 3500 |
Minimum Flow Activation | 0.3 gpm |
Control Type | Digital Display with Keypad |
Cord Conductor Gauge | 10 AWG Wire |
Temperature Range | 80 Degrees F to 140 Degrees F |
Minimum Water Pressure | 25 psi |
Housing Material | Brass |
Environment | Indoor |
Mounting Type | Wall Mounting |
Adjustable Thermostat | Yes |
Maximum Flow Rate | 1.5 gpm |
Current | 29 A |
Element Material | Copper |
Maximum Water Pressure | 150 psi |
Power Consumption | 3,500 W |
Market | Commercial, Residential |
Operating Voltage | 120V AC |
Overall Dimensions – H x W x D | 5.88 in x 10.88 in x 2.75 in |
Cold Inlet Size | 1/2 in |
Country of Origin (subject to change) | China |
Reviews:
3. Marey Eco110 Electric Tankless Water Heater – 11kw

Product Details:
Specifications:
Required Volt Connection | 220 volt |
Application Type | Residential |
Indoor/Outdoor | Indoor |
Efficiency Level | Super High |
Fuel Type | Electric |
Amperage (amps) | 60 A |
Electricity Phase | Single Phase |
Finish Family | White |
Flow Rate @ 35°F Rise (gallons/min) | 2.25 gal (US)/min |
Flow Rate @ 45°F Rise (gallons/min) | 1.6 gal (US)/min |
Flow Rate @ 55°F Rise (gallons/min) | 1.5 gal (US)/min |
Flow Rate @ 65°F Rise (gallons/min) | 1.25 gal (US)/min |
Maximum Temperature (F) | 95 °F |
Minimum Activation Rate (gpm) | 0.53 |
Minimum Temperature (F) | 40 °F |
Number of Elements | 1 |
Number of Showers | 1-2 |
Pack Size | 1 |
Uniform Energy Factor | 0.98 |
Water Heater Features | Digital Display,Wall Mounted |
Certifications and Listings | ETL Listed |
Product Width (in.) | 7.5 in |
Water Connection Size (in.) | 1/2 in |
Reviews:
4. Titan Electric Tankless Water Heater N-120

Product Details:
Specifications:
Reviews:
5. Ecosmart Pou 6 Point-Of-Use Electric Tankless Water Heater

Product Details:
Specifications:
Height | 6" in. |
AMPS | 30 Amps |
Volts | 220 V |
Watts | 6500 |
Depth | 3" in. |
Width | 11" in. |
Warranty | 1 Yr |
Power Source | Electric |
Maximum Pressure | 150 psi |
Maximum Temperature | 80 °F |
Water Connection Location | Top |
Commercial or Residential | Residential |
CSA Listed | Yes |
Each Weight | 4.500 LB |
Energy Star Certified | No |
Hazardous Material | No |
Minimum Temperature | 55 °F |
Tankless | Yes |
Velocity | C |
Water Connection Size | 1/2" |
Product Type | Water Heater |
Reviews:
6. Rheem Rtex-13 Professional Classic Electric Tankless Hot Water Heater

Product Details:
Specifications:
Operating Voltage | 240V AC |
Phase | Single |
Cold Inlet Size | 1/2 in |
Maximum Flow Rate | 4.8 gpm |
Minimum Flow Activation | 0.3 gpm |
Overall Depth | 3.63 in |
Overall Height | 12.63 in |
Overall Width | 8.25 in |
Power Consumption | 13,000 W |
Adjustable Thermostat | Yes |
Current | 54 A |
Environment | Indoor |
Market | Residential |
Control Type | Dial, Digital Display with Keypad |
Cord Conductor Gauge | 6 AWG Wire |
Default Temperature | 120 Degrees F |
Element Material | Copper |
Includes | 1/2 in NPT Adapters |
Maximum Water Pressure | 150 psi |
Minimum Water Pressure | 25 psi |
Mounting Type | Wall Mounting |
Water Connection Location | Side |
Reviews:
7. Rheem Rtex-06 240v Electric Tankless Water Heater

Product Details:
Specifications:
Operating Voltage | 240V AC |
Phase | Single |
Cold Inlet Size | 1/2 in |
Maximum Flow Rate | 2 gpm |
Minimum Flow Activation | 0.3 gpm |
Overall Height | 5.88 in |
Overall Width | 10.88 in |
Overall Depth | 2.75 in |
Power Consumption | 6,000 W |
Adjustable Thermostat | Yes |
Current | 29 A |
Environment | Indoor |
Market | Commercial, Residential |
Control Type | Digital Display with Keypad |
Cord Conductor Gauge | 10 AWG Wire |
Default Temperature | 120 Degrees F |
Element Material | Copper |
Housing Material | Brass |
Maximum Water Pressure | 150 psi |
Minimum Water Pressure | 25 psi |
Mounting Type | Wall Mounting |
NEMA Rating | Not Rated |
Standards | CSA Certified, ETL Listed, UL 499 |
Reviews:
8. Stiebel Eltron Tempra 36 Plus Whole House Electric Tankless Water Heater

Product Details:
Specifications:
Item – Water Heaters | Electric Tankless Water Heater |
Water Heater Design | Whole House |
Water Heater Application | General Purpose |
Commercial / Residential | Both |
Watts – Water Heaters | 36,000 |
Amps – Water Heaters | 150 |
Voltage – Water Heaters | 208/240 |
Min. Flow Activation | 0.77 gpm |
Phase – Water Heaters | 1 |
Temp. Range – Water Heaters | 70 Degrees to 140 Degrees F |
Temp. Rise @ 1.5 GPM | 92 Degrees F |
Temp. Rise @ 2.5 GPM – Water Heaters | 90 Degrees F |
Pressure Range | 30 to 150 psi |
Mounting | Any Direction |
Standards | ETL Listed, WQA |
Default Temperature | 140 Degrees F |
Temp. Rise @ 6.0 GPM | 41 Degrees F |
Wire Size | 6/2 AWG |
Water Connection | 3/4" NPT |
Temp. Rise @ 0.5 GPM | 92 Degrees F |
NEMA Rating | 1 |
Max. Flow Rate | 1 gpm |
Elements | Copper Sheathed Housed in Cylinder |
Market | Commercial, Residential |
Current | 44 A, 50 A |
Cord Conductor Gauge | 8/2 AWG Wire |
Mounting Type | Wall Mounting |
Minimum Flow Activation | 0.77 gpm |
Overall Dimensions – H x W x D | 14.5 in x 16.63 in x 4.63 in |
Minimum Water Pressure | 30 psi |
Mounting Orientation | Horizontal, Vertical |
Temperature Range | 70 Degrees F to 140 Degrees F |
Cold Inlet Size | 3/4 in |
Operating Voltage | 208/240V AC |
Environment | Indoor |
Element Material | Copper |
Maximum Flow Rate | 1 gpm |
Adjustable Thermostat | Yes |
Maximum Water Pressure | 150 psi |
Power Consumption | 36,000 W |
Country of Origin (subject to change) | Germany |
Reviews:
9. Ecosmart 220v Electric Tankless Water Heater

Product Details:
Specifications:
Assembled Depth (in) | 3.75 in |
Assembled Height (in) | 12 in |
Assembled Width (in) | 9.75 in |
Assembled Weight (lbs) | 7 lbs |
Item is Shipped at this Packaging Level | Y |
Packaging Depth | 6.75 IN |
Packaging Height | 13.5 IN |
Packaging Width | 10.25 IN |
Package Weight | 7 |
Package Weight UOM | LB |
Net Packaged Quantity | 1 EA |
Water Heater Style | Tankless |
Manufacturer Warranty | Limited Lifetime Warranty |
Commercial / Residential | Residential |
Flow Rate @ 45°F Rise | 1.2 gpm |
Flow Rate @ 77°F Rise | 0.7 gpm |
Gas or Electric | Electric |
Temperature Pressure Relief Valve (TPR) | No |
Temperature Range | 80°F – 140°F |
Water Connection Size | 1/2" CF |
Efficiency | .99 |
Element Wattage (W) | 8000 W |
Family Size | 2 |
Foam Insulation | No |
Height | 12 in |
Width | 9.75 in |
Weight | 7 lbs |
Maximum BTU | 27297.136 BTU |
Amperage (A) | 33 A |
Voltage (V) | 240 V |
Wattage | 8000 W |
Energy Factor | 99.8 |
ADA Compliant | Yes |
CSA Certified | Yes |
ETL Listed | Yes |
UL Listed | Yes |
Reviews:
10. Stiebel Eltron Dhc-E 12 Electric Tankless Water Heater

Product Details:
Specifications:
Item – Water Heaters | Electric Tankless Water Heater |
Water Heater Design | Point-of-Use |
Water Heater Application | Undersink |
Commercial / Residential | Commercial |
Watts – Water Heaters | 9000/12,000 |
Amps – Water Heaters | 50 |
Voltage – Water Heaters | 208/240 |
Min. Flow Activation | 0.37 gpm |
Phase – Water Heaters | 1 |
Temp. Range – Water Heaters | 86 Degrees to 140 Degrees F |
Temp. Rise @ 8.0 GPM | 8/10 Degrees F |
Wire Size | 6 AWG |
Residential / Commercial | Commercial |
Temp. Rise @ 1.5 GPM | 41/55 Degrees F |
Temp. Rise @ 2.5 GPM | 25/33 Degrees F |
Temp. Rise @ 6.0 GPM | 10/14 Degrees F |
Temp. Rise @ 2.5 GPM – Water Heaters | 25/33 Degrees F |
Pressure Range | 150 psi |
Watts | 9000/12,000 |
Elements | Copper Sheathed Housed in Cylinder |
Amps AC | 50 |
Temp. Rise @ 4.0 GPM | 15/20 Degrees F |
Phase | 1 |
Mounting | Vertical |
Temp. Range | 86 Degrees to 140 Degrees F |
Water Connection | 3/4" NPT |
Voltage | 208/240VAC |
Hot Outlet Type | NPT |
Operating Voltage | 208/240V AC |
Power Consumption | 12,000 W |
Minimum Flow Activation | 0.26 gpm |
Hot Outlet Size | 3/4 in |
Cord Conductor Gauge | 6 AWG Wire |
Current | 50 A |
Environment | Indoor |
Adjustable Thermostat | Yes |
Cold Inlet Size | 3/4 in |
Market | Commercial, Residential |
Temperature Range | 86 Degrees F to 140 Degrees F |
Element Material | Copper |
Mounting Orientation | Vertical |
Mounting Type | Wall Mounting |
Maximum Water Pressure | 150 psi |
Cold Inlet Type | NPT |
Overall Dimensions – H x W x D | 14.19 in x 7.88 in x 4.13 in |
Application | Bathrooms, Break Rooms, Utility Sinks |
Country of Origin (subject to change) | Germany |
Reviews:
11. Rheem Performance 8 Kw Self-Modulating 1.55 Gpm Electric Tankless Water Heater

Product Details:
Specifications:
Required Volt Connection | 240 volt |
Application Type | Residential |
Indoor/Outdoor | Indoor |
Efficiency Level | Super High |
Fuel Type | Electric |
Wattage (watts) | 8000 W |
Number of Showers | 1-2 |
Amperage (amps) | 57 A |
Electricity Phase | Single Phase |
Finish Family | Gray |
Flow Rate @ 35°F Rise (gallons/min) | 1.56 gal (US)/min |
Flow Rate @ 45°F Rise (gallons/min) | 1.21 gal (US)/min |
Flow Rate @ 55°F Rise (gallons/min) | 0.99 gal (US)/min |
Flow Rate @ 65°F Rise (gallons/min) | 0.84 gal (US)/min |
Maximum Temperature (F) | 140 °F |
Minimum Activation Rate (gpm) | 0.25 |
Minimum Temperature (F) | 80 °F |
Number of Elements | 1 |
Pack Size | 1 |
Uniform Energy Factor | 0.97 |
Water Heater Features | Wall Mounted |
Certifications and Listings | CSA Listed,ETL Listed,UL Listed |
Product Width (in.) | 8.25 in |
Water Connection Size (in.) | 1/2 in NPT adapter included |
Reviews:
12. Rheem Performance 27 Kw Self-Modulating 5.3 Gpm Electric Tankless Water Heater

Product Details:
Specifications:
Required Volt Connection | 240 volt |
Application Type | Residential |
Indoor/Outdoor | Indoor |
Fuel Type | Electric |
Number of Showers | 1-2 |
Amperage (amps) | 112.5 A |
Electricity Phase | Single Phase |
Finish Family | Gray |
Flow Rate @ 35°F Rise (gallons/min) | 5.27 gal (US)/min |
Flow Rate @ 45°F Rise (gallons/min) | 4.1 gal (US)/min |
Flow Rate @ 55°F Rise (gallons/min) | 3.35 gal (US)/min |
Flow Rate @ 65°F Rise (gallons/min) | 2.84 gal (US)/min |
Maximum Temperature (F) | 140 °F |
Minimum Activation Rate (gpm) | 0.25 |
Minimum Temperature (F) | 80 °F |
Number of Elements | 3 |
Pack Size | 1 |
Uniform Energy Factor | 0 |
Water Heater Features | Wall Mounted |
Certifications and Listings | CSA Listed,ETL Listed,UL Listed |
Product Width (in.) | 21.625 in |
Water Connection Size (in.) | 3/4 in NPT |
Reviews:
13. Airthereal Electric Tankless Water Heater 18kw, 240volts – Endless On-Demand Hot Water – Self Modulates To Save Energy Use – Small Enough To Install

Product Details:
Specifications:
Capacity | 240 Gallons |
Power Source | AC |
Item Dimensions LxWxH | 17.25 x 12.22 x 3.43 inches |
Voltage | 240 Volts |
Style | Indoor Installation |
Mounting Type | Wall |
Product Dimensions | 17.25 x 12.22 x 3.43 inches |
Country of Origin | China |
Installation Method | Wall-Mounted |
Included Components | Electric Tankless Water Heater 18kW |
Reviews:
14. Titan Electric Tankless Water Heater N-160

Product Details:
Specifications:
Power Source | Electric |
Energy Star Certified | Yes |
Minimum Temperature | 55 °F |
Height | 12" |
Commercial or Residential | Residential or Commercial |
Water Connection Location | Side |
Width | 7" |
Watts | 16 W |
Maximum Temperature | 65 °F |
Volts | 240 V |
Maximum Pressure | 150 psi |
Water Connection Size | 1/2" |
Depth | 3" |
Product Type | Tankless Water Heater |
Tankless | Yes |
AMPS | 66 amps |
Warranty | 1 Yr |
CSA Listed | No |
Each Weight | 9.000 LB |
Velocity | C |
Hazardous Material | No |
Reviews:
15. Ecosmart Eco24 24 Kw 240v Electric Tankless Water Heater

Product Details:
Specifications:
Required Volt Connection | 240 volt |
Application Type | Residential |
Indoor/Outdoor | Indoor |
Fuel Type | Electric |
Number of Showers | 1-2 |
Amperage (amps) | 100 A |
Electricity Phase | Single Phase |
Finish Family | White |
Flow Rate @ 35°F Rise (gallons/min) | 4.68 gal (US)/min |
Flow Rate @ 45°F Rise (gallons/min) | 3.64 gal (US)/min |
Flow Rate @ 55°F Rise (gallons/min) | 2.98 gal (US)/min |
Flow Rate @ 65°F Rise (gallons/min) | 2.52 gal (US)/min |
Maximum Temperature (F) | 140 °F |
Minimum Activation Rate (gpm) | 0.25 |
Minimum Temperature (F) | 80 °F |
Number of Elements | 3 |
Pack Size | 1 |
Uniform Energy Factor | 0 |
Water Heater Features | Wall Mounted |
Certifications and Listings | CSA Listed,ETL Listed,UL Listed |
Product Width (in.) | 17 in |
Water Connection Size (in.) | 3/4 in NPT |
Reviews:
16. Stiebel Eltron Tempra 24 Trend Whole House Electric Tankless Water Heater

Product Details:
Specifications:
Item – Water Heaters | Electric Tankless Water Heater |
Water Heater Design | Whole House |
Water Heater Application | General Purpose |
Commercial / Residential | Both |
Watts – Water Heaters | 24,000 |
Amps – Water Heaters | 100 |
Voltage – Water Heaters | 208/240 |
Min. Flow Activation | 0.50 gpm |
Phase – Water Heaters | 1 |
Temp. Range – Water Heaters | 70 Degrees to 140 Degrees F |
Max. Flow Rate | 1 gpm |
Water Connection | 3/4" NPT |
Mounting | Any Direction |
Temp. Rise @ 0.5 GPM | 92 Degrees F |
Elements | Copper Sheathed Housed in Cylinder |
Default Temperature | 140 Degrees F |
Temp. Rise @ 2.5 GPM – Water Heaters | 65.6 Degrees F |
Standards | ETL Listed, WQA |
Temp. Rise @ 1.5 GPM | 92 Degrees F |
Wire Size | 6/2 AWG |
Pressure Range | 30 to 150 psi |
Temp. Rise @ 6.0 GPM | 27 Degrees F |
NEMA Rating | 1 |
Mounting Orientation | Horizontal, Vertical |
Element Material | Copper |
Cold Inlet Size | 3/4 in |
Temperature Range | 70 Degrees F to 140 Degrees F |
Operating Voltage | 208/240V AC |
Mounting Type | Wall Mounting |
Overall Dimensions – H x W x D | 14.5 in x 16.63 in x 4.63 in |
Cord Conductor Gauge | 8/2 AWG Wire |
Market | Commercial, Residential |
Minimum Water Pressure | 30 psi |
Current | 44 A, 50 A |
Adjustable Thermostat | Yes |
Environment | Indoor |
Maximum Flow Rate | 1 gpm |
Maximum Water Pressure | 150 psi |
Minimum Flow Activation | 0.5 gpm |
Power Consumption | 24,000 W |
Country of Origin (subject to change) | Germany |
Reviews:
17. Black & Decker 27 Kw 5.3 Gpm Electric Tankless Water Heater

Product Details:
Specifications:
Voltage (Volts) | 240 |
Bluetooth Compatibility | No |
Amps Required for Unit Only (Amps) | 112.5 |
Smart Compatible | No |
Width (Inches) | 4.53 |
Point of Use | No |
Maximum Gallons per Minute | 5.8 |
Wire Size (Gauge) | 8 |
Major Appliances Supplied Simultaneously | 5 |
Wi-Fi Compatibility | No |
Weight (lbs.) | 15 |
Hybrid Heat Pump Technology | No |
Mobile Home Compatible | Yes |
Commercial/Residential | Commercial/Residential |
Depth (Inches) | 17.13 |
Installation Location | Wall mount |
Height (Inches) | 14.76 |
Household Amperage Required (Amps) | 120 |
Power Output (Kilowatts) | 27 |
Reviews:
18. Bosch Wh17 Tankless Water Heater – Electric

Product Details:
Specifications:
Power Source | Electric |
Product Type | Tankless Water Heater |
Commercial or Residential | Residential or Commercial |
Amperage | 80 are |
Assembled Width | 8-1/2 in. |
Maximum Pressure | 150 psi |
Voltage | 220 volt |
Warranty | 5 year |
Assembled Length | 18-1/2 in. |
Assembled Height | 17-1/2 in. |
Brand Name | Bosch |
Reviews:
19. Stiebel Eltron Electric Tankless Water Heater Mini 2

Product Details:
Specifications:
Item – Water Heaters | Electric Tankless Water Heater |
Water Heater Design | Point-of-Use |
Water Heater Application | Undersink |
Commercial / Residential | Commercial |
Watts – Water Heaters | 1800 |
Amps – Water Heaters | 16 |
Voltage – Water Heaters | 120 |
Min. Flow Activation | 0.21 gpm |
Phase – Water Heaters | 1 |
Temp. Range – Water Heaters | 82 Degrees to 130 Degrees F |
Temp. Rise @ 2.5 GPM – Water Heaters | 5 Degrees F |
Elements | Bare Wire Nickel Chrome |
Temp. Rise @ 8.0 GPM | 2 Degrees F |
Wire Size | 12 AWG |
Phase | 1 |
Temp. Rise @ 1.5 GPM | 8 Degrees F |
Temp. Rise @ 0.5 GPM | 25 Degrees F |
Water Connection | 3/8" Compression |
Temp. Rise @ 4.0 GPM | 3 Degrees F |
Mounting | Vertical |
Residential / Commercial | Commercial |
Pressure Range | 150 psi |
Amps AC | 16 |
Temp. Rise @ 6.0 GPM | 2 Degrees F |
Watts | 1800 |
Voltage | 120VAC |
Temp. Rise @ 2.5 GPM | 5 Degrees F |
Temp. Range | 82 Degrees to 130 Degrees F |
Minimum Flow Activation | 0.21 gpm |
Hot Outlet Size | 3/8 in |
Element Material | Nichrome |
Cord Conductor Gauge | 14/2 AWG Wire |
Overall Dimensions – H x W x D | 6.5 in x 7.5 in x 3.25 in |
Environment | Indoor |
Cold Inlet Type | Compression |
Current | 15 A |
Minimum Water Pressure | 30 psi |
Temperature Range | 86 Degrees F to 122 Degrees F |
Maximum Flow Rate | 0.35 gpm |
Mounting Type | Wall Mounting |
Power Consumption | 1,800 W |
Maximum Water Pressure | 150 psi |
Energy Factor | 0.98 |
Adjustable Thermostat | No |
Application | Bathrooms, Break Rooms, Utility Sinks |
Hot Outlet Type | Compression |
Market | Commercial, Residential |
Cold Inlet Size | 3/8 in |
Mounting Orientation | Vertical |
Operating Voltage | 120V AC |
Country of Origin (subject to change) | Germany |
Reviews:
20. Marey 2.0 Gpm Electric Tankless Water Heater Power Pak – 220-Volt
