---
product_id: 806736124
title: "Electric Mini Tank Water Heater, 8Gallon Under Sink On Demand Hot Water Heater, Wall or Floor Mounted, 1500W Point of Use Instant Hot Water for RV Kitchen Bathroom Restaurant"
brand: "nessxa"
price: "A$882"
currency: AUD
in_stock: true
reviews_count: 8
category: "Nessxa"
url: https://www.desertcart.com.au/products/806736124-electric-mini-tank-water-heater-8gallon-under-sink-on-demand
store_origin: AU
region: Australia
---

# 1500W rapid heating 8-gallon instant capacity 99% thermal efficiency & safety Electric Mini Tank Water Heater, 8Gallon Under Sink On Demand Hot Water Heater, Wall or Floor Mounted, 1500W Point of Use Instant Hot Water for RV Kitchen Bathroom Restaurant

**Brand:** nessxa
**Price:** A$882
**Availability:** ✅ In Stock

## Summary

> 🔥 Instant Hot Water, Instant Upgrade! 💧

## Quick Answers

- **What is this?** Electric Mini Tank Water Heater, 8Gallon Under Sink On Demand Hot Water Heater, Wall or Floor Mounted, 1500W Point of Use Instant Hot Water for RV Kitchen Bathroom Restaurant by nessxa
- **How much does it cost?** A$882 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/806736124-electric-mini-tank-water-heater-8gallon-under-sink-on-demand)

## Best For

- nessxa enthusiasts

## Why This Product

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

## Key Features

- • **Compact Powerhouse:** Sleek 17x14 inch design fits seamlessly under sinks, perfect for tight spaces like RVs and studios.
- • **Safety First, Always:** Overheat, dry combustion, and leakage protections keep your home safe and your water hot without worry.
- • **Smart Temperature Control:** Digital display with adjustable thermostat up to 167°F ensures precise comfort and energy savings.
- • **Built to Last & Resist Rust:** Durable 1.5mm steel tank with blue enamel lining and SS316 heating element for long-term reliability.
- • **Instant Hot Water, Zero Wait:** 1500W power delivers hot water on demand, eliminating frustrating delays.

## Overview

The Nessxa Electric Mini Tank Water Heater is a compact, 8-gallon under-sink solution delivering instant hot water with a powerful 1500W heating element. Designed for high efficiency with 99% thermal retention, it features smart digital temperature control up to 167°F and multiple safety protections. Ideal for kitchens, bathrooms, RVs, and small spaces, it combines durability with easy installation to provide reliable, on-demand hot water exactly where you need it.

## Description

Electric Mini Tank Water Heater, 8Gallon Under Sink On Demand Hot Water Heater, Wall or Floor Mounted, 1500W Point of Use Instant Hot Water for RV Kitchen Bathroom Restaurant

Review: Easy to install and fit - I’ve been genuinely impressed with how this electric water heater performs. From the moment I installed it under my sink, I noticed hot water much faster than I expected. It’s compact yet powerful, and it fits perfectly in small spaces like my RV kitchen without eating up room. The temperature gets nice and hot quickly, and I love not having to wait for warm water anymore this little unit delivers exactly what it promises. And for a fair price I’d say. What stands out most is how easy it was to set up. Everything I needed was included, and I had it up and running in no time without any professional help. The build feels solid and well made, and the controls are intuitive. It’s clear that this isn’t a flimsy gadget but something designed to work reliably day after day. Even with frequent use, it hasn’t missed a beat and continues to heat water consistently. Overall, this has been one of the best upgrades I’ve added to my space. It’s saved me water, time, and frustration, and it’s ideal for anyone needing instant hot water in a smaller area like a kitchenette, bathroom, or RV. I’ve recommended it to friends and family already because it simply performs beautifully and delivers comfort exactly where you need it. I’ve heard of some people even using it in there studio apartments by the way so this can have lots of applications of where it’s used.
Review: Instant Hot Water Where You Need It - With a 1500W heating element and 110V design, it quickly delivers reliable hot water right at the point of use—perfect for under-sink installation in kitchens, bathrooms, RVs, or utility rooms. The compact size makes it easy to fit in tight spaces, while the 8-gallon capacity ensures enough hot water for multiple uses such as washing dishes, handwashing, or quick clean-ups. It heats efficiently, maintains steady water temperature, and reduces the waste and energy cost of running water through long plumbing lines. Installation is straightforward, and once set up, it provides consistent, on-demand performance. For households, small apartments, or RV owners needing convenience and efficiency, this mini tank water heater is a reliable upgrade that adds comfort and saves time.

## Features

- INSTANT HOT WATER & HIGH EFFICIENCY: Say goodbye to waiting for hot water. This 8gallon (30L) point-of-use mini-tank water heater delivers hot water instantly right where you need it. Powered by a 1500W heating element for fast recovery, its compact design and 99% thermal efficiency significantly reduce standby heat loss compared to large traditional tanks, providing immediate comfort while saving energy.
- TEMPERATURE CONTROL & SAFETY: The under sink water heater's built-in thermostat automatically shuts off and enters energy-saving mode once it reaches your set temperature (up to 167°F), then seamlessly restarts heating when the water cools, ensuring an uninterrupted supply. The electric water heater's heating indicator light turns off during standby for clear status. Equipped with a 199°F over temperature protection cut-off device.
- USER-FRIENDLY DIGITAL DISPLAY & OPERATION: Designed for effortless control, this under sink water heater features a clear digital display and an intuitive rotary knob. Easily adjust your desired water temperature from 86°F to 167°F (30°C to 75°C), with the real-time water temperature shown on the screen. Please Note: The on demand hot water heater electric must be completely filled with water before the instant hot water heater is switched on for the first time to ensure proper operation.
- DURABLE CONSTRUCTION & SUPERIOR MATERIALS: This instant water heater under sink features a robust 1.5mm steel tank lined with a 0.2-0.5mm blue enamel layer, offering excellent insulation and outstanding resistance to rust. The on demand water heater's heating element is made of durable SS316 stainless steel. Housed in a 2.5mm sprayed plastic shell with thick polyurethane foam insulation, it guarantees both structural integrity and maximum heat retention.
- WHAT YOU GET: 1 x electric hot water heater, 1 x accessory pack, 1 x user manual. Size: 17.13" x 17.13" x 14.37", Capacity: 30L / 8 Gallons, Rated Power: 1500W, Voltage: 110V / 60Hz, Current: 10A, Rated Pressure: 0.8MPa, Water Connections: 1/2" NPT, Waterproof Rating: IPX4. We stand behind our calentador de agua eléctrico with comprehensive customer support. If you have any questions, please feel free to contact us via email at any time.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Nessxa |
| Capacity | 8 Gallons |
| Color | White&Blue |
| Power Source | ac |
| Product Dimensions | 17.13"W x 14.37"H |
| Special Feature | Dry Combustion Protection, High Water Pressure Protection, Leakage Protection, Overheat Protection |

## Images

![Electric Mini Tank Water Heater, 8Gallon Under Sink On Demand Hot Water Heater, Wall or Floor Mounted, 1500W Point of Use Instant Hot Water for RV Kitchen Bathroom Restaurant - Image 1](https://m.media-amazon.com/images/I/51ZWjJN8PkL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy to install and fit
*by D***N on January 15, 2026*

I’ve been genuinely impressed with how this electric water heater performs. From the moment I installed it under my sink, I noticed hot water much faster than I expected. It’s compact yet powerful, and it fits perfectly in small spaces like my RV kitchen without eating up room. The temperature gets nice and hot quickly, and I love not having to wait for warm water anymore this little unit delivers exactly what it promises. And for a fair price I’d say. What stands out most is how easy it was to set up. Everything I needed was included, and I had it up and running in no time without any professional help. The build feels solid and well made, and the controls are intuitive. It’s clear that this isn’t a flimsy gadget but something designed to work reliably day after day. Even with frequent use, it hasn’t missed a beat and continues to heat water consistently. Overall, this has been one of the best upgrades I’ve added to my space. It’s saved me water, time, and frustration, and it’s ideal for anyone needing instant hot water in a smaller area like a kitchenette, bathroom, or RV. I’ve recommended it to friends and family already because it simply performs beautifully and delivers comfort exactly where you need it. I’ve heard of some people even using it in there studio apartments by the way so this can have lots of applications of where it’s used.

### ⭐⭐⭐⭐⭐ Instant Hot Water Where You Need It
*by H***O on August 20, 2025*

With a 1500W heating element and 110V design, it quickly delivers reliable hot water right at the point of use—perfect for under-sink installation in kitchens, bathrooms, RVs, or utility rooms. The compact size makes it easy to fit in tight spaces, while the 8-gallon capacity ensures enough hot water for multiple uses such as washing dishes, handwashing, or quick clean-ups. It heats efficiently, maintains steady water temperature, and reduces the waste and energy cost of running water through long plumbing lines. Installation is straightforward, and once set up, it provides consistent, on-demand performance. For households, small apartments, or RV owners needing convenience and efficiency, this mini tank water heater is a reliable upgrade that adds comfort and saves time.

### ⭐⭐⭐⭐⭐ Instant Hot Water – Perfect Solution for Our Kitchen!
*by N***. on September 9, 2025*

We installed this 1.8-gallon mini tank water heater in the corner of our kitchen next to the sink, and it has made a huge difference! Before, our main water heater was in the garage, so I had to wait 3–4 minutes for the hot water to reach the kitchen. A lot of cold water was wasted just waiting. Now, thanks to this compact and efficient unit, I get instant hot water whenever I need it. It solved the issue of water cooling down in the pipes, and it’s been working flawlessly since installation. Very easy to set up and doesn’t take up much space. Highly recommend this if you’re looking for a quick, energy-saving way to get hot water exactly where you need it!

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-03-04*