Thermoflow Elex 24 Electric Tankless Water Heater,24kW at 240 Volts, Instant Hot Water Heater with Self-Modulating Temperature Technology for Whole House

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$399.99 $299.99
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Elex 24
Guaranteed to ship within 1 to 3 business days if product is available
Whole House Electric Tankless Water Heater


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Live Smart, Life Better!

'thermoflow' is mainly concentrate on comfortable tankless and minitank electric water heaters, giving people a comfort and healthy life start from the heat. Since the core conception, we have utilized the latest German technology to engineer the products with maximum energy saving operation. Our mission is to improve the people’s life and to spread awareness of benefits from 'thermoflow' friendly products.

An Ideal Solution For:

  • Whole House
  • Large Roman-Style or Jacuzzi Tubs
  • Bathroom Sinks
  • Kitchenettes
  • Pool Houses
  • Commercial Applications

Elex 24 Electric Tankless Water Heater for Whole House


Saving Energy and Money - Changing to this Elex 24 means there are no standby losses. No need to preheat before using,no any waste for water or electricity.

Endless Hot Water - Instant hot water thanks to rapid and maintenance-free bare wire heating systems. For as long as it is needed, there is an endless supply of hot water instantly.

Space Saving - Features a sleek and attractive design to blend seamlessly with decor, saving valuable living space.

  • Dimensions: 18.6" H x 10"D x 4.5" W
  • Weight: 8.4 lbs
  • Water Connections :1/2” NPT
  • Nominal Pressure: 115PSI
  • Nominal Current: 2 x 50A
  • Required Breakers: 2 x 2-POLE 60AMP
  • Required Wire: 2 x 8AWG
  • Note: Breakers and wire are not included
whole house tankless water heater electric

Electric Tankless Water Heaters for Whole House

Thermoflow Elex 24 Smart Technology electric tankless water heater is a true Whole House Used Model because it is specifically designed for Whole House,multiple applications with a maximum flow rate of 3 gallon per minute (gpm) . This Elex 24 is configured for climates where incoming water temperature can reach as low as 37 Degree. The Elex 24 is capable of heating nearly 3-Gallon per minute at this temperature. This model is well suited for homes in the Northern U.S. and Canada and in the southern U.S. that have large Roman-style or Jacuzzi tubs and that have generally more demanding water usage needs. Digital temperature control allows you to set your temperature in increments of 1 Degree. Prior to purchase and installation please verify this model is the rights size for your hot water needs and electrical requirements.


Multiple Applications for Thermoflow Elex 24 Electric Tankless Water Heater

washing face

Brushing teeth

having a bath

Washing clothes

Instantly Endless Hot Water

As soon as you open the tap, the water flows with your desired temperature. Thermoflow Elex 24 gives constant energy savings because it is only on when you need hot water & it has bo standby losses. The Thermoflow Elex 24 is only heated in the amount and for the time you actually need it. Unlike a tank water heater, you can never run out of hot water .

Saving Energy

Energy efficiency plus intelligent self-modulating technology of Germany continually ensures the least amount of energy is used. Saves up to 50% in water heating costs with the Thermoflow electric tankless water heater and use up to 85% less energy. Thermoflow Elex 24 whole house electric tankless water heaters perform to the highest standards for comfort and reliability .

More Hygiene

Electric instant water heaters heat up the cold water to the perfect temperature within seconds, directly at the tap, as it flows through the unit. The heated water is used immediately and unused water is avoided in the water line systems. That’s why testing for Legionella bacteria becomes unnecessary. This is what makes decentralized water heating more hygienic.

Stylish Compact Design

A thermoflow Elex 24 tankless water heater features a sleek and attractive design to blend seamlessly with decor, can be installed anywhere close to the hot water taps,yet takes up considerably less space,saving valuable living space and providing endless hot water on demand.Totally silent operation and no venting is required.


3 Smart Steps for Choosing Tankless Water Heaters

find your location

choose the one you need

check thermoflow Elex 24 specifications

Determining your average inlet water temperature is important, this allows you to determine how well your unit will perform in your desired location. PS: Actual inlet temperature may be affected by local variations and seasonal changes.

Next you will determine how many applications your unit can run simultaneously at your chosen location inlet water temperature.

Determining specs and electrical infrastructure is important because without the correct infrastructure your unit may not fit onto your breaker panel.         

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【1 YEAR WARRANTY 】We offer you 1 year warranty and please contact customer service team for replacement or after-sales service during the warranty period via hotline or email.
Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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