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Tankless Electric Water Heater 14kW/27kW 240V

Tankless Electric Water Heater 14kW/27kW 240V

Best price now

$137.48at WalmartChecked Nov 2

45% under what the other stores charge

Compared across 6 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Last seen at $137.48 at Walmart on Nov 2.
  • Checked at 6 stores.

Our take on the Tankless Electric Water Heater 14kW/27kW 240V

This is a wall-mounted electric tankless water heater sold in 14kW and 27kW versions, both running on 240V. It uses self-modulating power to match output to demand, holds a set temperature between 86 and 140°F on a digital LED display, and has a stainless steel body with overheat and leak protection. The 14kW unit suits a single bathroom or small apartment; the 27kW unit is meant for whole-house use with two or three showers at once. Against gas tankless rivals it avoids venting and a gas line, but it draws very high current and needs heavy dedicated wiring. Against small point-of-use heaters it offers more capacity and multi-outlet support.

Best forSmall apartments and single-bathroom setups (14kW)Whole-house use with multiple simultaneous showers (27kW)Replacing a tank heater where floor space is tightDIY-minded owners with electrical experience
Pros
  • Compact wall-mounted design frees up floor space
  • Self-modulating output cuts wasted energy at low demand
  • Digital display with adjustable 86–140°F setpoint
  • Stainless steel body resists corrosion in humid rooms
  • Supports multiple points of use at once
  • Overheat and leak protection built in
Cons
  • 240V high-amperage circuit required; 27kW needs very heavy wiring
  • Output and temperature depend on incoming water temperature
  • No tank means no hot water during a power outage
  • Mineral buildup needs periodic flushing
  • Professional electrical installation strongly advised

Tankless Electric Water Heater 14kW/27kW 240V prices at every store

  • VEVORNew

    In stock

    $214.12Free shippingChecked 1 h ago
    Visit VEVOR
  • The Home DepotNew

    In stock

    $559.00Free shippingChecked 1 h ago
    Visit The Home Depot
  • WalmartNew

    Availability unknown

    $137.48Checked Nov 2
    Visit Walmart
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $173.00Free shippingChecked 1 h ago
    Visit Amazon
  • Best BuyNew

    Availability unknown

    $250.99Checked 1 h ago
    Visit Best Buy
  • FactoryPureNew

    Availability unknown

    $251.90Checked 1 h ago
    Visit FactoryPure

Store links may earn us a commission.

Tankless Electric Water Heater 14kW/27kW 240V price history

$173.00$137.48
Nov 2Nov 13

Lowest price we've seen: $137.48 on Nov 2 at Walmart; highest $173.00 on Nov 13. Tracked across 6 stores since Nov 2.

About the Tankless Electric Water Heater 14kW/27kW 240V

This is a tankless electric water heater that heats water on demand. It comes in 14kW and 27kW models, both for 240V. Self-modulating technology adjusts energy use and supports multiple points of use at the same time.

The 14kW model suits apartments and small homes. The 27kW model is intended for whole-house use and can supply 2 to 3 simultaneous showers. The body is stainless steel, which resists corrosion in humid areas.

A digital LED display lets you set the temperature, and the output stays stable between 86 and 140 degrees Fahrenheit. The compact unit mounts on the wall and connects with standard 3/4 inch NPT fittings. Built-in overheat protection and leak protection are included.

Power source
Electric
Power options
14kW or 27kW
Voltage
240V
Temperature range
86 to 140 °F
Material
Stainless steel
Display
Digital LED
Features
Self-modulating, overheat protection, leak protection
Installation
Wall-mounted, 3/4 inch NPT connections
Application
Whole house, apartment, kitchen, shower
In the box
1 x tankless electric water heater (14kW or 27kW), 1 x mounting hardware kit, 1 x user manual
Care
Check periodically for mineral buildup and flush as needed. Turn off power before cleaning or maintenance. Allow adequate ventilation around the unit.
Usage tips
Professional installation recommended for electrical connections. Set temperature to 120 °F.

Specifications

Power Source
Electric

Questions and answers

What is the difference between the 14kW and 27kW models?
The 14kW model suits an apartment or small home with one bathroom. The 27kW model is built for whole-house use and can run two to three showers at once. Both are 240V and share the same controls and stainless steel body.
What wiring does it need?
It runs on 240V and draws high current, more so at 27kW. Each model needs a dedicated circuit sized to its rating, and professional installation is recommended for the electrical connections.
Can it run two showers at the same time?
The 27kW model is rated for two to three simultaneous showers. The 14kW model is intended for one point of use at a time. Actual temperature depends on how cold the incoming water is.
What temperature range does it support?
The digital control sets output from 86 to 140°F. The heater modulates power to hold that setpoint as flow changes.
What is in the box?
The heater, a mounting hardware kit and a user manual. Plumbing connections are standard 3/4 inch NPT.
Does it work during a power outage?
No. It heats only while powered, so there is no stored hot water when the electricity is out, unlike a tank heater.
Where is the Tankless Electric Water Heater 14kW/27kW 240V cheapest?
At Walmart, for $137.48, 45% under what the other stores charge, as of our latest check.
Where can I buy the Tankless Electric Water Heater 14kW/27kW 240V?
6 stores we checked sell it, including The Home Depot, Amazon, VEVOR, Best Buy, FactoryPure.

Stores we've priced the Tankless Electric Water Heater 14kW/27kW 240V at

  • Best Buy deals and prices
  • The Home Depot deals and prices
  • Walmart deals and prices

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