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Tankless Electric On Demand Instant Hot Water Heater - 240V | 8kW

Tankless Electric On Demand Instant Hot Water Heater - 240V | 8kW

4.8(26 ratings)

Best price now

$189.99at ThermoMateChecked Nov 9

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Price facts

  • Last seen at $189.99 at ThermoMate on Nov 9.

Our take on the Tankless Electric On Demand Instant Hot Water Heater - 240V | 8kW

This is a point-of-use tankless electric water heater rated at 8kW on 240V. It heats water only as it flows, holds the set temperature within about 1°F, and tops out near 1.94 GPM, so it suits a single shower or a sink, not a whole house. Its alloy housing and separated heating element are built to limit scale and corrosion, and it mounts on a wall to free floor space. Against larger whole-home tankless units it gives up flow rate and needs a dedicated 60A double-pole breaker, but it is simpler and smaller for one outlet.

Best forA single shower in a small home or cabinA remote sink, garage or workshopReplacing a failing tank heater in tight spaceLow-flow fixtures where 1.9 GPM is enough
Pros
  • Endless hot water at the point of use
  • Holds temperature within about 1°F
  • Compact wall mount frees floor space
  • Separated element resists scale and corrosion
  • ETL certified with overheat and dry-run shutoff
Cons
  • 8kW caps flow near 1.94 GPM
  • Needs a 60A double-pole breaker and heavy wiring
  • Not enough for multiple fixtures at once
  • Electrician install likely for most buyers

Tankless Electric On Demand Instant Hot Water Heater - 240V | 8kW prices at every store

  • ThermoMateNew

    In stockReturn policy

    $189.99Checked Nov 9
    Visit ThermoMate

What reviewers say

  • 4.8 / 526 ratings

Raters are highly positive, with 4.8 out of 5 across 26 ratings. Owners describe steady hot water and a small footprint; the recurring caution is that flow and electrical demands limit it to one fixture.

What people mention
  • Temperature stabilityPraisedOwners say the water stays close to the set temperature while running.
  • Flow rateMixedIt keeps up with one shower or sink but not several fixtures at once.
  • SizePraisedThe wall-mounted body fits where a tank would not.
  • InstallationMixedWiring a 60A double-pole breaker is the main hurdle for buyers.
  • BuildPraisedThe alloy housing and separated element are seen as durable and low-maintenance.

About the Tankless Electric On Demand Instant Hot Water Heater - 240V | 8kW

This is a tankless electric water heater that heats water on demand. It runs on 240V and is rated at 8kW, with a flow rate of up to 1.94 GPM. It senses water temperature and flow rate and holds the output within 1°F of the selected temperature.

The housing and water ports are alloy metal. The heating element is separated from the water tube, which reduces scale, corrosion and mineral buildup on the element. Self-modulating power control adjusts the energy used to what the water needs, and the unit is described as 99% efficient.

It mounts on a wall and has no water tank, so it fits into tight spaces. Protections include overheating protection, automatic stop of heating when no water is detected, and leakage protection. It is ETL certified.

Voltage
240V
Power
8kW
Flow rate
Up to 1.94 GPM
Breaker
Requires a double pole 60Amp breaker
Controls
ON/OFF dial with adjustable digital temperature display
Temperature accuracy
Within 1°F of the selected temperature
Power control
Self-modulating
Efficiency
99%
Housing
Alloy metal housing and water ports
Safety
Overheating protection, auto stop when no water is detected, leakage protection
Certification
ETL certified
Installation
Wall mounted, no water tank

Questions and answers

Will it run a whole-house shower?
One shower, yes, if flow stays around 1.5 to 2.0 GPM. Running a shower and other taps together will exceed its 1.94 GPM ceiling.
What breaker and wiring does it need?
A dedicated 240V double-pole 60A breaker with wiring sized for that load. Most installations need an electrician.
How much hot water can it deliver per minute?
Up to about 1.94 GPM at 8kW. A water-saver shower head at 1.5 GPM leaves margin; a standard 2.0 GPM head is at the limit.
Does it work with a standard shower head?
Yes, but a 2.0 GPM head uses nearly all its capacity. A 1.5 GPM head gives more stable temperature.
Is it safe if the water stops?
It is ETL certified and stops heating when it detects no water flow, with overheat protection.
Can it replace a tank water heater?
For a single point of use, yes. For a whole home with multiple bathrooms, a larger whole-home tankless unit is needed.
Where is the Tankless Electric On Demand Instant Hot Water Heater - 240V | 8kW cheapest?
At ThermoMate, for $189.99, as of our latest check.
What do buyers say about the Tankless Electric On Demand Instant Hot Water Heater - 240V | 8kW?
Rated 4.8 out of 5 from 26 ratings.

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Typical flow needs
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 (based on 2010 P
In the box
1 x ET080 water heater, 1 x mounting kit
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