Thermoflow Elex 15 Tankless Water Heater Electric, 15kW at 240 Volts Instant Hot Water Heater with Self-Modulating Temperature Technology

No reviews yet Write a Review
$299.99 $259.99
(You save $40.00)
Elex 15
Electric Tankless Water Heater for apartment


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'products.

An Ideal Solution For:

  • Basement Wet Bars
  • Small Apartments
  • Bathroom Basin Wash
  • Kitchen Sinks
  • Laundry
  • Patio Sinks
  • Doctor's Office
  • Schools

Elex 15 Electric Tankless Water Heater


Saves Energy and Money - Adopts to advanced technology of Germany.Changing to this Elex 15 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.

Space Saving - Very compact designed,saving more valuable living space and providing endless hot water on demand.

  • Dimensions: 18.6" H x 10"D x 4.5" W
  • Weight: 8.4 lbs
  • Water Connections :1/2” NPT
  • Nominal Pressure: 115 PSI
  • Max Amperage:2 x 32 A
  • Required Breakers: 2 x 2-POLE 40AMP
  • Required Wire: 2 x 10 AWG
  • Note: Breakers and wire are not included
tankless water heater electric for shower

15kW On Demand Electric Tankless Water Heater

Thermoflow Elex 15 Smart Technology electric tankless water heater is a on demand used Model, you can get hot water whenever you want.This Elex 15 is ideal for a small apartment or any small point of use application. It is designed to heat up to 3.5 gallons per minute and is optimal for weather of 62° F and above. It can be used for multiple or single applications depending on your climate. In warm climates, the Elex 15 can handle two sinks running simultaneously and one shower, or two sinks simultaneously in colder climates. 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 15 Electric Tankless Water Heater

how water washing

hot water brush teeth

endless hot water for shower

perfect for laundry

Endless Hot Water

As soon as you open the tap, the water flows with your desired temperature. Thermoflow Elex 15 gives constant energy savings because it is only on when you need hot water & it has bo standby losses. The Thermoflow Elex 15 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

99% 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 than conventional storage heaters.Thermoflow Elex 15 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 testingfor Legionella bacteria becomes unnecessary. This is what makes decentralised water heating more hygienic and ecient.

Stylish & Compact Design

A thermoflow Elex 15 tankless water heater completely replaces a conventional tank 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 on the map

choose the one which meet your needs

check specifications of thermoflow Elex 15

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.

  Elex 3.5 point of use tankless water heater electric Elex 5.5 tankless water heater electric 12kw electric tankless water heater Elex 15 tankless water heater electric Elex 18 electric tankless water heater on demand whole house used tankless water heater electric
  Elex 3.5 Elex 5.5 Elex 12 Elex 15 Elex 18 Elex 24
kW 3.5 5.5 12 15 18 24
Voltage 240 240 240 240 240 240
Temp. Range Temp.Rise 63°F@0.5GPM Temp.Rise 70°F@0.5GPM 104°F-140°F 104°F-140°F 104°F-167°F 104°F-167°F
Max. Amperage 20A 23A 50A 2 x 32A 2 x 38A 2 x 50A
Required Breaker 1x 2-POLE 25AMP 1 x 2-POLE 30AMP 1 x 2-POLE 60AMP 2 x 2-POLE 40AMP 2 x 2-POLE 50AMP 2 x 2-POLE 60AMP
Wire Gauge 1 x 12 AWG 1 x 12 AWG 1 x 8 AWG 2 x 10 AWG 2 x 10AWG 2 x 8AWG
Size 7.6" x 5.4" x 2.6" 7.6" x 5.4" x 2.6" 13.6" x 7.9" x 4.8" 18.6" x 10" x 4.5" 18.6" x 10" x 4.5" 18.6" x 10" x 4.5"
Weight 1.8 lbs 1.8 lbs 5.4 lbs 8.4 lbs 8.4 lbs 8.4 lbs
Water Connections 1/2" NPT 1/2" NPT 1/2" NPT 1/2" NPT 1/2" NPT 1/2" NPT
This product hasn't received any reviews yet. Be the first to review this product!
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.

Related Products

Customers Also Viewed