---
product_id: 245353442
title: "Electric Mini Tank Water Heater UL Listed, ThermoMate 2.5 Gallons Small Under Sink Water Heater for Point of Use Instant Hot Water 110V 120V, Wall or Floor Mounted, ES250"
brand: "thermomate"
price: "2225.97 DT"
currency: TND
in_stock: true
category: "Thermomate"
url: https://www.desertcart.tn/products/245353442-electric-mini-tank-water-heater-ul-listed-thermomate-2-5
store_origin: TN
region: Tunisia
---

# 1440W fast heating Instant hot water on demand UL certified safety Electric Mini Tank Water Heater UL Listed, ThermoMate 2.5 Gallons Small Under Sink Water Heater for Point of Use Instant Hot Water 110V 120V, Wall or Floor Mounted, ES250

**Brand:** thermomate
**Price:** 2225.97 DT
**Availability:** ✅ In Stock

## Summary

> 🔥 Instant warmth, compact power — your under-sink game changer! ⚡

## Quick Answers

- **What is this?** Electric Mini Tank Water Heater UL Listed, ThermoMate 2.5 Gallons Small Under Sink Water Heater for Point of Use Instant Hot Water 110V 120V, Wall or Floor Mounted, ES250 by thermomate
- **How much does it cost?** 2225.97 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/245353442-electric-mini-tank-water-heater-ul-listed-thermomate-2-5)

## Best For

- thermomate enthusiasts

## Why This Product

- Trusted thermomate brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety First, Always:** UL Listed with ASME, ANSI, and CSA approved T&P valve protects against excess pressure and temperature.
- • **Instant Hot Water, Zero Wait:** 2.5 gallons capacity delivers on-demand warmth with rapid 1440W power for your busiest mornings.
- • **Energy Smart, Efficiency King:** Incoloy 800 stainless steel heating element offers 99% heating efficiency and 4x corrosion resistance for long life.
- • **Built to Last, Built to Perform:** Triple-layer tank with porcelain enamel lining and thick anode rod ensures corrosion resistance and leak prevention.
- • **Compact & Versatile Installation:** Sleek design fits under sinks or counters, wall or floor mountable, plugs into any standard 120V outlet.

## Overview

The ThermoMate ES250 is a UL-listed 2.5-gallon mini tank water heater designed for point-of-use instant hot water. Featuring a powerful 1440W Incoloy 800 stainless steel heating element with 99% efficiency, it offers fast recovery and adjustable temperatures up to 149°F. Its triple-layer corrosion-resistant tank and advanced insulation keep water hot longer, while safety is ensured by certified pressure and temperature relief valves. Compact and versatile, it installs easily under sinks or counters, perfect for kitchens, bathrooms, RVs, and more.

## Description

Electric Mini Tank Water Heater UL Listed, ThermoMate 2.5 Gallons Small Under Sink Water Heater for Point of Use Instant Hot Water 110V 120V, Wall or Floor Mounted, ES250 - desertcart.com

## Features

- 【No Wait for Hot Water】- 2.5 gallons water heater provides instant hot water on demand with fast recovery, 1440W 120V Plug in to use. Adjustable temperature range from 50°F to 149°F. 50% increase in thermal insulation with 30mm thick overall CFC-Free polyurethane to keep the warmth of hot water for longer time
- 【Long Lasting Constructed】 - 10,000 times impulse test, 3-layer tank with fused porcelain enamel glass lining, efficiently against corrosion, rust, and leaks, avoiding scale buildup. Extra thick anode rod sustaining high heating efficiency for a long time
- 【Incoloy 800 Stainless Steel Heating Element】- 4 times resistant to corrosion, better corrosion resistance performance and more efficient than copper under high temperature & pressure conditions, heating efficiency up to 99%, thus has a longer life span and energy saving
- 【UL Listed Safety Protection】- thermomate tank water heater was UL certified, including an ASME, ANSl and CSA (AGA) approved T&P valve to protect water heaters from excess pressures and temperatures
- 【Easy Installations】- compact small water heater, can be wall or floor mounted under sink / counter / cabinet, 1/2" NPT water connection, plug into a standard 120V outlet. An ideal hot water heater for kitchen & bathroom sink, RV & boat, vacation cabin & camper, food truck, garage & barn, shop & salon
- 【Specifications and Warranty】- Dimensions: 12.95"H x 12.95"W x 11.5"D; Weight: 15.4 lbs; Electrical requirements: 1440W at 120 volts, plug-in connection with 2 feet power cord; Max water pressure: 150PSI; Nominal current: 12A. 3-year Limited Warranty for the tank, 1-year warranty for parts and 24hours customer service

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08BFL66GJ |
| Best Sellers Rank | #26,251 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #5 in Water Heaters |
| Brand | thermomate |
| Brand Name | thermomate |
| Capacity | 2.5 gallons |
| Color | White |
| Customer Reviews | 4.3 out of 5 stars 764 Reviews |
| Efficiency | 99% |
| Heat Output | 1440 watts |
| Included Components | T&P relief Valve, Mounting Kits and User Manual |
| Item Dimensions W x H | 12.95"W x 16.49"H |
| Item Type Name | Kitchen Water Heater |
| Item Weight | 15.4 pounds |
| Manufacturer | thermomate |
| Manufacturer Part Number | ES |
| Material Type | Stainless Steel |
| Maximum Pressure | 150 psi |
| Maximum Temperature | 149 °F |
| Model Number | ES |
| Mount Type | Protruding |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Product Dimensions | 12.95"W x 16.49"H |
| Special Feature | Corrosion resistant tank, UL Certified |
| Special Features | Corrosion resistant tank, UL Certified |
| Style Name | 2.5 Gallon |
| UPC | 630792538926 |
| Voltage | 120 volts |
| Wattage | 1440 |

## Product Details

- **Brand:** thermomate
- **Capacity:** 2.5 Gallons
- **Power Source:** Corded Electric
- **Product Dimensions:** 12.95"W x 16.49"H
- **Special Feature:** Corrosion resistant tank, UL Certified

## Images

![Electric Mini Tank Water Heater UL Listed, ThermoMate 2.5 Gallons Small Under Sink Water Heater for Point of Use Instant Hot Water 110V 120V, Wall or Floor Mounted, ES250 - Image 1](https://m.media-amazon.com/images/I/61VnJKRWmtL.jpg)

## Available Options

This product comes in different **Set** options.

## Questions & Answers

**Q: How Do Point-of-Use Electric Mini-Tank Water Heaters Work?**
A: The unit connects directly to a cold water source, which fills the tank and is heated with an electric heating element to the desired temperature until it's ready to be used. The water is released when a faucet or fixture is opened.

**Q: What applications are point-of-use electric water heaters best for?**
A: Designed for single applications and small load requirements, these water heaters are commonly located under sinks, in small apartments, and in additions like side rooms and garages.

**Q: What type of point-of-use electric water heater should I buy?**
A: Mini-tank water heaters preheat a small amount of reserved water until it's ready to be used. Tankless water heaters heat water on demand as it travels through electrical heating elements within the unit.

**Q: What will happen if I connected this water heater to my hot water line?**
A: The cold water in the line will flow into the tank first and mix with the hot water there. The mini tank water heater will turn on heating until the hot water from your main water heater eventually reaches the mini tank

**Q: Can this mini tank water heater be used for shower?**
A: A mini-tank water heater is not intended to service a shower because it requires a larger flow from 1.5gpm to 2.5gpm, while these mini tank capacity range from 1.3 gallons, 2.5 gallons and 4 gallons, to max 6.5 gallons.

## Frequently Bought Together

- Electric Mini Tank Water Heater UL Listed, thermomate 2.5 Gallons Small Under Sink Water Heater for Point of Use Instant Hot Water 110V 120V, Wall or Floor Mounted, ES250
- SEAFLO 33-Series Water Pressure Pump - 115V AC, 3.3 GPM, 45 PSI, Self Priming, Smart Pressure Switch, UL & CSA Certified, for RV, Caravan, Off-Grid, Marine, and Industrial Use

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-29*