---
product_id: 673887033
title: "Mini Electric Instant Water Heater for Sink, Stainless Steel On-Demand Hot Water Water Heater Under Sink, 5500W 220V Point-of-use Compact Water Heaters for Home, Kitchen, Bathroom, Garage(Under Sink)"
brand: "warmcity"
price: "$285.98"
currency: USD
in_stock: true
reviews_count: 8
category: "Warmcity"
url: https://www.desertcart.us/products/673887033-mini-electric-instant-water-heater-for-sink-stainless-steel-on
store_origin: US
region: United States of America
---

# 5500W high power output Adjustable 20-45°C water temp Compact 6.5x6.5x23.8 cm design Mini Electric Instant Water Heater for Sink, Stainless Steel On-Demand Hot Water Water Heater Under Sink, 5500W 220V Point-of-use Compact Water Heaters for Home, Kitchen, Bathroom, Garage(Under Sink)

**Brand:** warmcity
**Price:** $285.98
**Availability:** ✅ In Stock

## Summary

> 🔥 Compact power, instant comfort—heat your space smartly!

## Quick Answers

- **What is this?** Mini Electric Instant Water Heater for Sink, Stainless Steel On-Demand Hot Water Water Heater Under Sink, 5500W 220V Point-of-use Compact Water Heaters for Home, Kitchen, Bathroom, Garage(Under Sink) by warmcity
- **How much does it cost?** $285.98 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/673887033-mini-electric-instant-water-heater-for-sink-stainless-steel-on)

## Best For

- warmcity enthusiasts

## Why This Product

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

## Key Features

- • **Energy-Efficient Heating:** Tankless tech heats only what you use, cutting energy waste and lowering bills sustainably.
- • **Instant Hot Water On Demand:** Skip the wait—enjoy warm water the moment you need it, perfect for busy millennial lifestyles.
- • **Versatile & Ready for Any Space:** Ideal for homes, garages, cafes, or summer houses—hot water wherever life takes you.
- • **Precision LED Temperature Control:** Easily monitor and customize your perfect water temperature with a modern digital display.
- • **Space-Smart Stainless Steel Design:** Sleek, durable housing fits discreetly under any sink, elevating your kitchen or bathroom aesthetic.

## Overview

The Mini Electric Instant Water Heater delivers powerful 5500W tankless heating in a compact 6.5x6.5x23.8 cm stainless steel unit. Designed for under-sink installation, it provides adjustable hot water from 20°C to 45°C with an intuitive LED display and energy-saving on-demand technology. Perfect for modern homes and small commercial spaces, it combines sleek design with efficient, instant hot water access.

## Description

From the brand On-demand Hot Water Solutions Simplify Your British Routine: A simple press, and warm water appeared instantly, saving precious moments. Mini Tankless Water Heater Hot Water Heater Tap Series How we get our start? In my childhood memories, nestled among the frosty landscapes of winters past, I vividly recall the daily struggle to navigate the chilly days. As I grew, experiencing both the struggle and dreams of a world where that wait would cease to exist. Then, one fateful day, my life took a transformative turn. A smart water heater tap entered my realm - a technological wonder that promised to bypass the childhood winter blues. I couldn’t wait to share my newfound wonder with the world. What makes our products unique? A Stainless Steel Material with Excellent Customer Care How we get our start? In my childhood memories, nestled among the frosty landscapes of winters past, I vividly recall the daily struggle to navigate the chilly days. As I grew, experiencing both the struggle and dreams of a world where that wait would cease to exist. Then, one fateful day, my life took a transformative turn. A smart water heater tap entered my realm - a technological wonder that promised to bypass the childhood winter blues. I couldn’t wait to share my newfound wonder with the world. What makes our products unique? A Stainless Steel Material with Excellent Customer Care Hot Water Tap for Kitchen Hot Water Tap for Bathroom Mini Water Heater for Sink

Review: Hot water, instant - It's a described. Not fitted yet so can't comment further
Review: Hot water tap - Works well supplying hot water. The temperature control can be a little unpredictable and can supply very hot water when going from hot to cold. Apart from that it works well.

## Features

- 【Mini Tankless Water Hear for Sink】With compact and space-saving design, our small water heater is perfect for small spaces, installs easily under sinks or in compact areas without sacrificing functionality. Powered with 5500W and 230V, it still provides robust hot water flow without compromising on space. Outlet water temperature is varied from 20℃ to 45℃ in general.
- 【Durable Stainless Steel Housing with Sleek LED Temperature Display and Adjustable Power Settings】The durable stainless steel housing of our vented water heater ensures long-lasting performance and adds a sleek, modern aesthetic that complements any kitchen or bathroom. The LED temperature display provides easy monitoring and precise adjustment for personalized comfort, while the adjustable power settings allow for energy-efficient performance tailored to meet varying hot water needs.
- 【 Hot Water : 20-45℃ Output, Adjustable Temp】The temperature output of our electric water heater for sink typically ranges from 20°C to 45°C. The hot water discharge temperature varies according to the water temperature entering and the flow volume. Tankless technology ensures energy efficiency by heating water on demand, reducing energy costs and environmental impact.
- 【Space-Savvy Design &Energy Savings at Its Best】Say goodbye to bulky water heaters. Our sleek and modern water heater fits seamlessly into UK kitchens and bathrooms, maximizing space without compromising functionality. Save more on energy compared to traditional storage heaters, as our on-demand design only heats water when you need it. Green living choice for water conservation and cost-effective heating.
- 【Both Home and Commercial】 Ideal for households, farms, summer house, cafes, garage, and tool rooms, the instant hot water heater for sink suits diverse needs, ensuring everyone has access to hot water when you need it. Install today and experience the convenience of instant hot water with a modern, efficient solution.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DHV5Y134 |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 119,090 in DIY & Tools ( See Top 100 in DIY & Tools ) 250 in Water Heaters & Parts |
| Colour | Silver |
| Customer Reviews | 3.7 3.7 out of 5 stars (37) |
| Date First Available | 24 Sept. 2024 |
| Included Components | User's Manual, Plug, Accessories |
| Item Weight | 1.2 kg |
| Item model number | RS-501 |
| Manufacturer | XINGHONG |
| Product Dimensions | 6.5 x 6.5 x 23.8 cm; 1.2 kg |
| Special Features | Anti-Freezing Protection, Integrated Error Code Indicator, LED Display, Lightweight |

## Product Details

- **Brand:** WARMCITY
- **Colour:** Silver
- **Material:** Stainless Steel
- **Product dimensions:** 6.5W x 23.8H centimetres
- **Special feature:** Anti-Freezing Protection, Integrated Error Code Indicator, LED Display, Lightweight

## Images

![Mini Electric Instant Water Heater for Sink, Stainless Steel On-Demand Hot Water Water Heater Under Sink, 5500W 220V Point-of-use Compact Water Heaters for Home, Kitchen, Bathroom, Garage(Under Sink) - Image 1](https://m.media-amazon.com/images/I/61DrLHGm44L.jpg)

## Available Options

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

## Questions & Answers

**Q: What is the outlet temperature range of electric water heater for sink?**
A: The outlet temperature of water heaters typically ranges from approx 25°C to 45°C, depending on inlet water temperature and flow rate. The taps are designed to provide a comfortable and safe temperature for various uses.

**Q: What materials of our tankless mini water heaters Model 501?**
A: The tankless mini water heaters Model XH-RS-501 is made of durable 304 stainless steel housing, thick film heating element. The quality material makes it a practical investment for homeowners looking for durability and reliability.

**Q: What are common usage scenarios for vented water heater under sink ?**
A: Instant undersink water heaters are ideal for various scenarios Kitchens: For handwashing, cleaning dishes, or preparing food. Bathrooms: For personal hygiene, face washing, or shaving. Outdoor use: In gardens or utility rooms.

**Q: How easy is it to install a mini point-of-use water heaters?**
A: Our mini water heaters are designed for easy installation. Our models come with user's manual and separated socket panel, making them suitable for DIY-friendly setups. Only require simple connections to a mains water supply and electricity source.

**Q: What should I consider before purchasing a tankless instant water heater?**
A: Before buying an on demand water heater, make sure the following Check if the water heater is compatible with your water supply and electrical system (voltage and water pressure). Consider the flow rate and temperature settings to match your needs.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Hot water, instant
*by J***C on 2 December 2025*

It's a described. Not fitted yet so can't comment further

### ⭐⭐⭐⭐ Hot water tap
*by E***N on 20 January 2026*

Works well supplying hot water. The temperature control can be a little unpredictable and can supply very hot water when going from hot to cold. Apart from that it works well.

### ⭐ Does not work
*by R***E on 23 November 2025*

Don’t waste your money buying I bought six weeks ago, recently installed and used for ONE MONTH ONLY and does not work! Cant get through to customer service or the company just advised to watch an installation video

## Frequently Bought Together

- Mini Electric Instant Water Heater for Sink, Stainless Steel On-Demand Small Vented Undersink Water Heater, 5500W 220V Point-of-use Compact Geyser for Home, Kitchen, Bathroom, Garage(Silver)
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- Hapilife Kitchen Sink Mixer Tap Single Lever Monobloc Polished Chrome Mixers Taps 1 Hole Swan Neck Modern 360° Swivel Spout Mono Faucet with UK Standard Fittings

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-07*