20 Best 240 Volt Tankless Water Heater [2022]

Are you looking for the best 240 Volt Tankless Water Heater? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 240 Volt Tankless Water Heater.

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# Preview Product
1 Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY
2 EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating... EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating...
3 Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
4 Rheem 18kW 240V Tankless Electric Water Heater Rheem 18kW 240V Tankless Electric Water Heater
5 Ecosmart ECO Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self... Ecosmart ECO Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self...
6 EcoSmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating... EcoSmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating...
7 Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater
8 Stiebel Eltron Tankless Heater – Tempra 36 Plus – Electric, On Demand Hot Water, Eco, White Stiebel Eltron Tankless Heater – Tempra 36 Plus – Electric, On Demand Hot Water, Eco, White
9 Eemax HA036240 240V 36 kW Electric Tankless Water Heater Eemax HA036240 240V 36 kW Electric Tankless Water Heater
10 BLACK+DECKER 27 kW Self-Modulating 5.3 GPM Electric Tankless Water Heater, Multi-Application hot... BLACK+DECKER 27 kW Self-Modulating 5.3 GPM Electric Tankless Water Heater, Multi-Application hot...
11 Airthereal Electric Tankless Water Heater 14kW, 240Volts - Endless On-Demand Hot Water - Self... Airthereal Electric Tankless Water Heater 14kW, 240Volts - Endless On-Demand Hot Water - Self...
12 EcoSmart 8 KW Electric Tankless Water Heater, 8 KW at 240 Volts with Patented Self Modulating... EcoSmart 8 KW Electric Tankless Water Heater, 8 KW at 240 Volts with Patented Self Modulating...
13 Ecosmart ECO 24 24 KW at 240-Volt Electric Tankless Water Heater with Patented Self Modulating... Ecosmart ECO 24 24 KW at 240-Volt Electric Tankless Water Heater with Patented Self Modulating...
14 Rheem 11kW 240V Tankless Electric Water Heater Rheem 11kW 240V Tankless Electric Water Heater
15 Electric Tankless Water Heater 220/240V,Endless Hot Water Instant Mini Smart Self-Modulating No... Electric Tankless Water Heater 220/240V,Endless Hot Water Instant Mini Smart Self-Modulating No...
16 Rheem 6kW 240V Point of Use Tankless Electric Water Heater Rheem 6kW 240V Point of Use Tankless Electric Water Heater
17 Tankless Water Heater Electric 5.5kw 240V, ECOTOUCH Point-of-Use Hot Water Heater Digital... Tankless Water Heater Electric 5.5kw 240V, ECOTOUCH Point-of-Use Hot Water Heater Digital...
18 RINKMO Tankless Water Heater Electric 18KW 240V Instant Residential Electric on Demand Water Heater... RINKMO Tankless Water Heater Electric 18KW 240V Instant Residential Electric on Demand Water...
19 Stiebel Eltron 230628 240V, 12 kW DHC-E12 Single/Multi-Point-of-Use Tankless Electric Water Heater Stiebel Eltron 230628 240V, 12 kW DHC-E12 Single/Multi-Point-of-Use Tankless Electric Water Heater
20 Marey ECO150 220V/240V-14.6kW Tankless Water Heater with Smart Technology, Small, White Marey ECO150 220V/240V-14.6kW Tankless Water Heater with Smart Technology, Small, White
Bestseller No. 1
Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY
  • External adjustable digital thermostatic control with LED display (+/1 degree accuracy
  • Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
  • Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
  • 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
  • Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM
SaleBestseller No. 2
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating...
  • Endless On-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow...
  • Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use;...
  • Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that...
  • EcoSmart ECO 11 Sizing; 13-kilowatt tankless electric water heater ideal for providing hot water for a bathroom, small sink, office breakroom and...
Bestseller No. 3
Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
  • ON/OFF Dial Control with adjustable digital temperature display
  • Self-modulating power control
  • 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
  • Bottom 3/4" NPT water connections
  • On demand, consistent and continuous hot water
Bestseller No. 4
Rheem 18kW 240V Tankless Electric Water Heater
  • 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. Flow Rate- up to 4.4 GPM
  • Simple installation – bottom 3/4 inch NPT water connections
  • Threaded for easy replacement, simple installation, digital temperature display
SaleBestseller No. 5
Ecosmart ECO Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self...
  • Endless on-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow...
  • Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use;...
  • Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that...
  • EcoSmart ECO 27 Sizing; Refer to the sizing map. Requires 3x40 AMP Double Pole Breaker, 27-kilowatt tankless electric water heater ideal...
  • Warranty and Certifications; Limited Lifetime Warranty on electronics, exchanger and element; UL-499 certified; ETL Listed
SaleBestseller No. 6
EcoSmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating...
  • The product is highly durable
  • The product is easy to use
  • Manufactured in China
  • Amperage (amps): 75. Activation flow: 0. 3 GPM. Flow Rate @ 35 F Rise (gallons/min): 3. 51 gal (US)/min
  • The product works and is compatible with 2 X 40 AMP (DP) breakers and 2 X 8 AWG wire
Bestseller No. 7
Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater
  • Sleek and compact design with digital output temperature display
  • ECOSMART tankless water heaters are 99.8-percent energy efficient
  • Manufactured in United States
  • Pipe Fittings:3/4 inch NPT
  • Required Breaker:4 x 40 A
Bestseller No. 8
Stiebel Eltron Tankless Heater – Tempra 36 Plus – Electric, On Demand Hot Water, Eco, White
  • 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
  • Copper sheathed heating element housed in copper cylinder
  • 7 Years leakage and 3 years parts complete warranty
SaleBestseller No. 9
Eemax HA036240 240V 36 kW Electric Tankless Water Heater
  • Endless hot water
  • Brand name: Eemax
  • Model number: HA036240
  • Country of Origin: United States
Bestseller No. 10
BLACK+DECKER 27 kW Self-Modulating 5.3 GPM Electric Tankless Water Heater, Multi-Application hot...
  • On demand hotwater heater for ideal for whole house
  • Electric Water Heater with no hot water tank
  • WARRANTY: 7-yr leakage free, 5-yr heat exchanger, 2-yr parts
  • Save up to 50% on your water heating costs
SaleBestseller No. 11
Airthereal Electric Tankless Water Heater 14kW, 240Volts - Endless On-Demand Hot Water - Self...
  • ☼ Endless Hot Water: Imagine you are the last one in your family to take a shower before heading out for the day. You turn on the faucet and the...
  • ☼ Save Space: That water heater in the basement or utility closet takes up a ton of space. This wall-mounted water heater uses 90% less space than a...
  • ☼ Save Energy: Water is only heated when you need it, not stored in a hot water tank. The self-modulating temperature technology only uses energy to...
  • ☼ Important Note: In order to install 14kW Electric Tankless Water Heater it would requires 240 Voltage, 60 AMP Circuit Breaker Size and a set of...
  • ☼ Safe To Use: With high temp protection, dry heating protection, and electrical leakage protection you can rest easily knowing you have safe,...
SaleBestseller No. 12
EcoSmart 8 KW Electric Tankless Water Heater, 8 KW at 240 Volts with Patented Self Modulating...
  • The product is highly durable
  • The product is easy to use
  • Manufactured in China
  • Heating elements are durable and are threaded for easy replacement
  • Activation Flow - 0.3 GPM
Bestseller No. 13
Ecosmart ECO 24 24 KW at 240-Volt Electric Tankless Water Heater with Patented Self Modulating...
  • Lifetime warranty
  • Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater
  • Never run out of hot water with an ECOSMART tankless water heater
  • Patented Self Modulating Technology and design.Activation flow 0.3 GPM
  • ECOSMART tankless water heaters are 99.8-percent energy efficient
Bestseller No. 14
Rheem 11kW 240V Tankless Electric Water Heater
  • ON/OFF Dial Control with adjustable digital temperature display
  • Self-modulating power control
  • 11kW Model Flow Rate: up to 2.68 GPM
  • Side 1/2" NPT water connections
  • On demand, consistent and continuous hot water
Bestseller No. 15
Electric Tankless Water Heater 220/240V,Endless Hot Water Instant Mini Smart Self-Modulating No...
  • NOTE: Due to the negligence of the workers, some water heaters have no manuals, please contact customer service if necessary, and the customer service...
  • Since each product has been quality tested before leaving the factory, a small amount of water remains inside each water heater!
  • 【ENDLESS WATER HEATER】3 seconds to get hot water without preheating. Instant consistent and endless hot water of the maximum temperature reach to...
  • 【SMART INVERTER FOR ENERGY SAVING】The hot water heater built-in smart chip to scientifically calculate the minimum required power based on the...
  • 【SAFE DURABLE & LONGEVITY】Multiple safety protection functions protect you from the risk of scald, leakage or other injury. Premium PE shell is...
Bestseller No. 16
Rheem 6kW 240V Point of Use Tankless Electric Water Heater
  • Push-button ON/OFF control with LED temperature display
  • 6 kW Model Flow Rate: up to 1.0 GPM
  • Perfect for 1 or 2 sinks
  • Bottom 1/2" NPT water connections
  • On demand, consistent and continuous hot water
Bestseller No. 17
Tankless Water Heater Electric 5.5kw 240V, ECOTOUCH Point-of-Use Hot Water Heater Digital...
  • 【INSTANT & SUFFICIENT HOT WATER】Applied with 5.5KW heating system, the electric water heater supplies instant, consistent and endless hot water of...
  • 【SMART SELF ADJUSTMENT】The hot water heater adjusts power input based on flow rate and temp setting in real time. For example, less power will be...
  • 【CONVENIENT USE】The tankless water heater comes with digital display & touch control panel so temp setting is easy job. Now turn on the tap and...
  • 【SAFE and DURABLE】Applied with multiple protection devices, every piece goes through strict tests to ensure 100% safe. Inner water and electricity...
  • 【POINT of USE】The sleek tankless water heater is compact as an oatmeal box, making it possible to install anywhere close to outlet and avoid...
SaleBestseller No. 18
RINKMO Tankless Water Heater Electric 18KW 240V Instant Residential Electric on Demand Water Heater...
  • 💧 INSTANT ENDLESS HOT WATER: Our RINKMO 18KW tankless water heater requires 2 x 40 AMP breakers and 2 x 8 AWG wire, the Water Flow is...
  • 💧 MONEY & TIME SAVING EXPERT: Units are designed to be highly efficient by heating water only when it's needed, no need to preheat, giving you hot...
  • 💧 10 TIMES SAFE PROTECTIONS: A Safer water heater, designed for point-of-use especially living with babies. Inner water and electricity lines...
  • 💧 INTELLIGENT & EFFICIENT UNIT: Our smart modulating technology and sensor to calculate the difference between the desired temp and current temp,...
  • 💧 POWERFUL for WHOLE HOUSE: Small and mighty, the suitcase-sized wall units fit in many spaces, freeing up more usable living area in your home....
SaleBestseller No. 19
Stiebel Eltron 230628 240V, 12 kW DHC-E12 Single/Multi-Point-of-Use Tankless Electric Water Heater
  • Set the knob on the front cover and enjoy water temperatures between 86DegreeF (30DegreeC) and 125DegreeF (52DegreeC)
  • The three years parts warranty is unique in the industry
  • Due to its small dimensions and attractive housing the DHC-E can be left unconcealed in many applications
SaleBestseller No. 20
Marey ECO150 220V/240V-14.6kW Tankless Water Heater with Smart Technology, Small, White
  • Unit requires 220v~240v and (1) 70 amp double pole breaker
  • ETL approved
  • Smart technology: easy management and simple adjustments on a LCD panel allows you to program the exact desired water temperature thereby optimizing...
  • Flow switch activation mechanism allows the unit to produce constant temperatures with as little as . 5Gpm/5Psi
  • Tankless water heaters provide an efficient hot water solution eliminating the stand-by energy consumption of conventional tank units

Having trouble finding a great 240 Volt Tankless Water Heater?

This problem is well understood by us because we have gone through the entire 240 Volt Tankless Water Heater research process ourselves, which is why we have put together a comprehensive list of the best 240 Volt Tankless Water Heaters available in the market today.

After hours of searching and using all the models on the market, we have found the best 240 Volt Tankless Water Heater for 2022. See our ranking below!

How Do You Buy The Best 240 Volt Tankless Water Heater?

Do you get stressed out thinking about shopping for a great 240 Volt Tankless Water Heater? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching 240 Volt Tankless Water Heater, which is why we have assembled a comprehensive list of the greatest 240 Volt Tankless Water Heater available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 240 Volt Tankless Water Heater that you consider buying. Your questions might include the following:

  • Is it worth buying an 240 Volt Tankless Water Heater?
  • What benefits are there with buying an 240 Volt Tankless Water Heater?
  • What factors deserve consideration when shopping for an effective 240 Volt Tankless Water Heater?
  • Why is it crucial to invest in any 240 Volt Tankless Water Heater, much less the best one?
  • Which 240 Volt Tankless Water Heater are good in the current market?
  • Where can you find information like this about 240 Volt Tankless Water Heater?

We’re convinced that you likely have far more questions than just these regarding 240 Volt Tankless Water Heater, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 240 Volt Tankless Water Heater, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 240 Volt Tankless Water Heater. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an 240 Volt Tankless Water Heater buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 240 Volt Tankless Water Heater currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of 240 Volt Tankless Water Heater has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 240 Volt Tankless Water Heater?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 240 Volt Tankless Water Heater.
  5. Customer Ratings: Number ratings grade 240 Volt Tankless Water Heater objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 240 Volt Tankless Water Heater.
  7. Product Quality: You don’t always get what you pay for with an 240 Volt Tankless Water Heater, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 240 Volt Tankless Water Heater is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining 240 Volt Tankless Water Heater information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding 240 Volt Tankless Water Heater is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What size tankless water heater do I Need?

A: What Size Tankless Water Heater Do I Need? The Size of Your House. Tankless water heaters vary in sizes. … The Rate of Water Flow in Your House. We’ve established that tankless water heaters are not like regular tank heaters because it steams the water as it runs into … Temperature rise. … Your Household Size. …

Q: How does instant hot water heater work?

A: It all starts when you turn on the hot-water tap (1). A flow sensor (2) detects water coming into the heater and sends a signal to the control panel to start producing hot water. In a gas-fired unit,the control panel (3) turns on the fan (4),which draws in outside air,opens the gas valve (5) that lets in the gas,and ignites …

Q: What is a demand water heater?

A: On-demand water heaters warm water as it’s needed, and they’re different from a standard tank water heater. A water heater with a tank heats water to a set temperature, but as cold water enters the tank, the water temperature gradually drops, and eventually you run out of warm water.