Thermomate Electric Tankless Water Heater

Save 17%
SKU: ET110

  • Energy efficient
  • Space Saving
  • Whole Home Support
Power: 11kW
Sale price$278.00 Regular price$334.00


Indulge in Instant Gratification: Transform Your Daily Routine with Thermomate Tankless Electric Water Heaters, Delivering Endless Hot Water for Your Whole House!


• ON/OFF Dial Control with adjustable digital temperature display

• Self-modulating power control

• 11kW Model Flow Rate: up to 2.68 GPM

• 18kW Model Flow Rate: up to 4.58 GPM

• 27kW Model Flow Rate: up to 6.38 GPM


 Water-Saver Shower Head – 1.5 GPM

• Standard Shower Head – 2.0 GPM

• Standard Hand Sink – 0.5 GPM

• Kitchen Sink – 1 to 2 GPM

• Bath Tub – 4 GPM

• Dishwasher – 1 to 2 GPM

• Washing Machine – 1 to 1.5 GPM

• Average Gallons Per Minute (GPM) based on 2010 Plumbing Standards

FREE Shipping to U.S. Mainland addresses only. Unfortunately for us, we do not offer free shipping to Alaska, Hawaii, Virgin Islands, Puerto Rico, Guam or Canada, however if you do need to ship to these places, please kindly call us and the freight will be paid by you based on the specific address you can provide for us.

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.

For returns due to buyer's remorse (ie: Order by mistake, Does not fit, Change my mind, No longer needed, etc) we will deduct 20% of your total refund amount for the reason of the loss caused to us as a vendor, which means only 80% of your total refund will be sent back to your account. For a defective return, a full refund will be sent back to your account.

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Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Why Choose Our Tankless Electric Water Heater?

Our tankless electric water heater offers instant hot water in just 3 seconds, ensuring you never have to wait or experience cold showers again. Unlike traditional tank heaters, it heats water on-demand, providing endless hot water whenever you need it.

With self-modulating technology and a 99.8% efficiency rate, our water heater only uses energy when you need hot water. This feature can save you up to 60% on water heating costs compared to traditional tank water heaters.

Yes, our water heater is designed for easy installation and is ETL certified for safety. It comes with overheating protection, auto stop heating when no water is detected, and quality workmanship for leakage protection. Its heating elements are separated from water tubes to reduce scale and corrosion, resulting in lower maintenance.

Our smart operation system auto-adjusts energy consumption based on incoming water temperature and flow, ensuring continuous and stable temperature. You can also adjust the temperature in 1° increments from 80°F to 140°F using the digital temperature display.

Our tankless water heater is wall-mounted and compact, saving valuable floor space and fitting into tight spaces. It’s an ideal solution for small homes, apartments, and any area where space is a premium.

By only heating water on-demand and operating at high efficiency, our water heater reduces energy consumption and greenhouse gas emissions. Its efficient design helps lower your carbon footprint, making it an environmentally friendly choice.

Safety is a priority with our ETL-certified water heater. It includes overheating protection, automatic shut-off when no water is detected, and robust construction to prevent leaks. These features ensure safe and reliable operation.

Our water heater requires minimal maintenance due to its design. The heating elements are separated from the water tubes, significantly reducing the build-up of scale, corrosion, and minerals. This design ensures better performance and longevity, making maintenance simple and infrequent.

Energy Efficient | Thermomate
Energy Efficient | Thermomate
Durable Heating Elements | Thermomate
Durable Heating Elements | Thermomate

Quick Wiring Guide for Thermomate ET Series Water Heaters

Step 1 Turn off the Power

1.Turn off the Power

To avoid a short circuit and damage to the circuit board, ensure all strands are secured inside the terminal block. Before installing the water heater, make sure to turn off all power to the product directly at the fuse or breaker box before installing, repairing, or disassembling this water heater.

2.Double-pole Breakers

  • 11kW needs 2 Double-pole 30AMP breakers.
  • 18kW needs 2 Double-pole 40AMP breakers.
  • 27kW needs 3 Double-pole 40AMP breakers.

Confirm that your breaker panel can meet the required specifications for your unit. Connect each group of power wires to a circuit breaker in pairs.
Make sure that each circuit breaker is connected to a black wire and a red wire, two different colored wires make up the L1, L2 set of wiring. And also need A separate ground conductor is required.

Step 2 Double-pole Breakers
Step 3 Double-check the Electrical Connections

3.Double-check the Electrical Connections

Finally, always double-check that the electrical connections to make sure they are correct and that all wire connections are tight and secure before proceeding with product operation.

Live Smart , Better Life.

Tankless Water Heaters

Our Thermomate tankless electric water heaters are engineered with cutting-edge technology and unparalleled performance, ensuring that hot water is readily available whenever you need it, without the hassle of waiting or wasting energy.

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Live Smart , Better Life.

Mini Tank Water Heaters

Designed with your comfort in mind, our Thermomate Mini-Tank Electric Water Heaters are the perfect addition to your home, office, or any place where hot water is essential.

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