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thermomate

thermomate Mini Tank Water Heater Electric UL Listed, ES400B 4 Gallon Point of Use Under Sink Water Heater, 120V Corded Wall or Floor Mounted

  • Based on 25 reviews
Condition: New
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Availability: Only 1 left in stock, order soon!
Fulfilled by Amazon
Arrives Monday, Nov 10
Order within 2 hours and 5 minutes
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Style: 4 Gallons


Features

  • IMMEDIATE HOT WATER - 4 Gallon point of use water heater to supply instant hot water on demand at your sink. 24 hours standby, foam insulation and fast reheating, eliminate the long time wait and wasting water
  • EASY TO INSTALL - 1/2" NPT connector, corded plug into 120V outlet, simply tap into the water line and install the heater directly at the sink. Temparature & Pressure relief valve included, shelf, wall or floor mounted
  • COMPACT DESIGN - Small tank water heater (12.6"W X12.4"D X24.3"H including valve), space saving design ideal for under sink placement in kitchen, bathrooms and other areas, even fitting in a cabinet
  • ENAMEL COATING GLASS LINED - Gold porcelain linning for better insulation and preventing leaking, CSA T&P Relief valve CASH USA made, UL certified ensuring a safe long service life
  • IN-LINE OR INDEPENDENT - Serves as single point water heater or in-line as a booster to a larger hot water heater, knob to adjust temp between 68F-140F

Brand: thermomate


Product Dimensions: 4.96"W x 6.81"H


Special Feature: Pressure Release Valve


Color: White


Wattage: 1440 watts


Brand: β€Žthermomate


Product Dimensions: β€Ž4.96"W x 6.81"H


Special Feature: β€ŽPressure Release Valve


Color: β€ŽWhite


Wattage: β€Ž1440 watts


Voltage: β€Ž120 Volts


Maximum Temperature: β€Ž140 Degrees Fahrenheit


Heat Output: β€Ž1440 Watts


Style: β€Ž4 Gallons


Maximum Operating Pressure: β€Ž150 Pound per Square Inch


Maximum Pressure: β€Ž150 Pound per Square Inch


Mounting Type: β€ŽWall or Floor


Manufacturer: β€Žthermomate


UPC: β€Ž850052972028


Part Number: β€ŽES400B


Item Weight: β€Ž20 pounds


Item model number: β€ŽES400B


Special Features: β€ŽPressure Release Valve


Included Components: β€ŽT&P Valve


Batteries Required?: β€ŽNo


Date First Available: October 10, 2022


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Nov 10

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

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Similar Products

Top Amazon Reviews

    • Does have a sacrificial anode
Style: 2.5 Gallons
I replaced another brand under-sink water heater that had a five-year warranty but had tiny small print indicating that you need to check its sacrificial anode annually, and replace at least every two years. Based on what I read of the predecessor to this unit, the ES250, I had thought that the ES250B did not have a sacrificial anode. I was wrong. The new version, the ES250B, does have a sacrificial anode and the installation manual suggests checking it every six months to a year, as well as draining the unit and cleaning deposits from the heating element. (The frequency depends on the hardness of your water.) I had hoped for a less maintenance heater than the other brand I had so am disappointed that this unit does require frequent inspection. Nevertheless, I'm a handyman who can pull the unit out for maintenance. If I were have to pay a plumber to do so, the routine maintenance would be quite costly. I do love having instant hot water under our kitchen sink. When our old unit leaked, we got used to washing our hands in cold water rather than waiting for hot water from the main water heater in the basement. ... show more
Reviewed in the United States on January 22, 2024 by Jim in Boulder
    • Ease of installation
Style: 2.5 Gallons
In my remodeling business I often look for easy to install, practical items when I do kitchen and bathroom remodels. I highly recommend this water heater...it is lightweight, easy to use runs off of a traditional 15 amp circuit and hooks up in virtually minutes if you have the plumbing right there. I found it very practical for the kitchen I was remodeling and found it to be very economical! The delivery was fast! ( thank you Amazon hehe) and I got the customers up and running in just one day! The installation instructions for very thorough and easy to follow for even a DIY-er! I highly recommend this productπŸ‘πŸ½ ... show more
Reviewed in the United States on January 7, 2024 by Kip Maranto
    • Some drainage reroute may be required.
Style: 2.5 Gallons
Review Image by Charles Pace Amazon Customer Charles Pace Amazon Customer
The reason I installed this at my house is because hot water took 32 seconds to reach the kitchen faucet from the water heater. With this additional water heater under the kitchen sink it now takes one second for hot water to run out of the faucet, substantially reducing water usage. In my standard kitchen cabinet the water heater sits under one of the two drains. That drain needed to be rerouted but it is not a problem. I still need to add the catch tray and route the pressure release valve into that tray. ... show more
Reviewed in the United States on January 11, 2024 by Charles Pace Amazon Customer Charles Pace Amazon Customer
    • Almost great
Style: 1.32 Gallon
I had to place a shallow pan under it because of a very slow water leak from inside the unit.
Reviewed in the United States on February 19, 2024 by William C.
    • Works great πŸ‘
Style: 4 Gallons
Works great πŸ‘
Reviewed in the United States on February 19, 2024 by michael spurgeon
    • Weird
Style: 2.5 Gallons
The plug in wire is too short,maybe 10 inches or 12 inches, Which is suitable if your outlet is little away,
Reviewed in the United States on May 4, 2024 by $@$
    • Failed after 8 months.
Style: 1.32 Gallon
Review Image by J Bird J Bird
Review Image by J Bird J Bird
It was good while it lasted. We had it professionally installed and the top seal is failing (rusting out) around the pressure release valve. Its gotta go. I would not recommend.
Reviewed in the United States on May 7, 2024 by J Bird J Bird
    • Thermonate Mini Water Tank Heater
Style: 1.32 Gallon
Lightweight, easy to install, works great. Worth it.
Reviewed in the United States on December 28, 2023 by Mike Reed

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