What Is Under Sink Boiling Water Heater?
An under-sink boiling water heater is a small electric device that can be mounted under a sink to offer instant hot water. It is also known as a point-of-use water heater. It either heats water as it passes through or preheats a small amount of water and stores it until needed.
Advantages of Under Sink Boiling Water Heater
Compact Size:
Under-sink boiling water heaters are compact, so they don't require much space for installation. They can be easily placed under the kitchen sink, in a cabinet, on the wall, or on the floor.
Easy to Install:
If you have basic knowledge of electrical or plumbing systems, you can install one yourself. They come with an instruction manual that provides easy-to-follow guides, making the installation process quick and hassle-free.
Energy-Efficient:
Under sink boiling water heaters are more energy-efficient than traditional models. They use less energy to heat water and don't need to constantly heat a large volume of water. This helps reduce household energy consumption.
Fast Heating Process:
The heating process of under sink boiling water heaters is quick, so you don't need to wait long for hot water. They deliver hot water instantly.
Uninterrupted Hot Water Supply:
Under sink boiling water heaters provide a continuous supply of hot water, making them suitable for multiple uses, such as showers, bathtubs, and kitchen sinks, where a constant supply of hot water is needed.
Smart Instant Hot Water Dispenser
Smart instant hot water dispenser
Nominal Capacity: 2.4L
Tank Size: 190*190*262
Power Rate: 1.3KW
Rated Voltage: 110-120V/60Hz,220-240V/50Hz
OEM has accepted your tag, label, logo, color, specific mold custom-designed
Instant Hot Water Dispenser System
This is a reverse osmosis system with heating function. The water filtration system integrates water purification and heating functions to meet various temperature requirements, breaking through the traditional under-sink RO water purification mode, meeting your needs for purified water and hot water, and the water can be drunk directly.
Instant Hot Water Boiler Dispenser
BOILER TANK
Rated Voltage: 110-120V/60Hz,220-240V/50Hz
Standby Power: 0.5W
Rated Input: 2.0KW
Static Bar Pressure: 1 Bar
Capacity: 4.0L
IPX4 Classification: IPX4
Dynamic Bar Pressure: 1.5 to 5 Bar
Kitchen Sink Instant Hot Water Dispenser
5.0L Digital BOILER TANK with Filter Calculator inside
Size:310*205*305mm
Instant Hot Water Dispenser Under Sink
Instant Hot Water Dispenser system supplies boiling water, purified water, ambient water, variety of applications in kitchens, offices, restaurants, coffee shops, bars, gyms, schools and hospitals.
Digital Instant Hot Water Tank
Large digital touchscreen panel
Temperature ranges from 45 to 98 degrees Celsius
2.4L, 3L, 4L, 5L, 7L, 8L capacity options
Dispenses hot, cold, or boiling water
Kitchen Boiling Water Dispensers
As one of the essential electrical appliances in modern life, smart kitchen boiling water dispensers can be found in homes, businesses and major restaurants.
Instant Hot Water Heater Dispenser
An under-sink instant water heater is a very convenient appliance that can instantly obtain boiling or hot water, improving efficiency in the kitchen, speed, and convenience of beverage making at the bar
Digital Instant Hot Water Dispenser
This digital instant hot water dispenser will save you time and effort when requiring boiling water to make tea and coffee, and we are sure you will discover many new uses each day.
Our factory
Xiamen Smart Water Technology Co., Ltd is a manufacturer behind many of the top international under-sink drinking water system brands.
Professional team
We reinvest 10% of our sales revenue in R&D. We have 5 invention patents, 21 utility model patents, and 28 appearance patents. Our high-quality R&D team can efficiently design new products, analyze and improve existing products, and provide customers with the most cost-effective products.
Quality assurance
Our factories meet the highest quality requirements stipulated in ISO9001, ISO14000:14001 SGS guidelines, and our stringent quality control system, and also pass UL, CB, CE, ERP, WRAS, UKCA, RoHS, REACH, PAHS, and SCCP international standards.
OEM & ODM available
We can customize products according to the specific needs of customers. We can produce dispensers and faucets with different functions, shapes, sizes, and colors to meet the specific requirements of customers.
After-sales service
We offer two-year warranties on our products and provide ongoing support and maintenance services.
Types Of Under Sink Boiling Water Heaters
a) Gas under sink water heaters
Gas under sink water heaters make use of natural gas/propane to heat water at a point of use. Several homes in japan use gas-powered under-the-sink water heaters.
b) Electric under sink water heaters
Electric under sink water heaters use electric resistance elements to heat water under the sink. Most under sink water heaters in the United States are electric since gas-powered water heaters need to be vented. Venting can be challenging to implement in areas like the kitchen sink.
a) Tank style under sink water heaters
Tank-style under-sink water heaters work by storing a small amount of water and keeping it constantly hot.
b) Tankless under sink water heaters
A tankless under sink water heater works by heating water on-demand rather than storing a small amount and keeping it hot constantly.
Components of Under Sink Boiling Water Heater
Tank
This is the core component of a under sink boiling water heater that is usually made with nano-polymer or glassline coating and it serves as the reservoir for hot water.
01
Heating element
A powerful copper heating element is used to heat the water faster to the desired temperature.
02
Thermostat
This device is used to monitor and regulate the water temperature by triggering the heating element to maintain the preset temperature.
03
Valve
There is also a multi-functional value to ensure that the tank does not build up any excess pressure and to ensure the safety of the consumer.
04
Anode
In order to prevent corrosion within the tank, there is an anode rod made up of aluminium or magnesium.
05
How to Maintain Under Sink Boiling Water Heater
Check the anode rod regularly
The anode rod helps protect the tank from corrosion, so it's important to check it periodically and replace it if necessary.
Flush the tank regularly
Over time, sediment can build up in the bottom of the tank, so it's important to flush it out every few months.
Proper installation
Ensure the unit is installed correctly, following the manufacturer's guidelines and local building codes.
Water softeners
Consider using a water softener if you have hard water, as this can help prevent scale buildup and enhance the performance of the under sink boiling water heater.
Temperature settings
Avoid excessively high-temperature settings, as this can contribute to wear and tear on the unit.
How to Choose an Under Sink Boiling Water Heater
Size
Size is one of the important factors to consider before buying an under-sink boiling water heater. You need to know how much space is available in your kitchen or bathroom. After measuring the space, choose a size that fits comfortably.
Capacity
Capacity is another important consideration. Choose the right capacity based on your needs. Under-sink boiling water heaters are available in both tankless and tanked models (with tanks ranging from 2.5 to 7 gallons). If you need more hot water, a larger tank would be ideal.
Energy Efficiency
Under-sink boiling water heaters are generally more energy-efficient than traditional water heaters. However, it's still important to check the energy efficiency of different models. Choosing an energy-efficient unit can help reduce your electricity bills.
Safety Features
Make sure the under-sink boiling water heater you choose comes with proper safety features. Some units have a thermostat, which makes them safer and easier to use. You can also adjust the temperature according to your preferences.
Another important safety feature is modulation, which allows the unit to adjust its heat output based on the water flow rate. This helps maintain a consistent water temperature regardless of the flow rate.
Installation
Different types of under-sink boiling water heaters have different installation and maintenance requirements. Some models are easy to install-you can simply plug them into an outlet and they're ready to use. Others may require more plumbing and electrical work. In such cases, it's better to hire a professional for installation. Always understand the installation and maintenance requirements before and after purchase.
Price and Warranty
Price is a crucial factor to consider when buying a unit. First, be clear about your needs and budget. Based on our experience, it's always better to prioritize quality, even if it means paying a little more.
How to Install The Under Sink Boiling Water Heater
Before you begin installing your under-sink boiling water heater, gather the following equipment:
- Under-sink boiling water heater kit (including the water heater unit, connectors, and mounting hardware)
- Adjustable wrench
- Pipe cutter or hacksaw
- Pipe joint compound or plumber's tape
- Screwdriver
- Measuring tape
- Pencil
- Safety goggles
- Gloves
Step-by-Step Installation Process
1. Choose the Location
Determine the ideal location for your under-sink boiling water heater. It should be close to the tap you want to supply with hot water. Ensure there is enough space to accommodate the unit and allow for easy installation and maintenance.
2. Shut Off the Water Supply
Locate the main water shut-off valve in your home and turn it off to stop the water flow during installation.
3. Prepare the Area
Clear out the space under the sink and remove any obstacles that might hinder the installation. Place a cloth or towel on the floor to catch any water drips.
4. Measure and Mark
Use a measuring tape to determine the distance between the hot water supply pipe and the intended location for the water heater. Mark the spot on the wall where the unit will be mounted.
5. Install the Mounting Bracket
Using the mounting hardware provided, install the mounting bracket on the wall. Align it with the marked spot and secure it firmly to ensure the water heater can be mounted properly.
6. Cut the Hot Water Supply Pipe
Measure and mark the hot water supply pipe where you plan to install the water heater. Carefully cut the pipe using a pipe cutter or hacksaw. Wear safety goggles and gloves during this step.
7. Connect the Water Heater Unit
Attach the connectors provided in the kit to the water inlet and outlet ports on the water heater unit. Use an adjustable wrench to tighten the connections securely. Apply pipe joint compound or plumber's tape to the threaded connections for additional sealing.
8. Connect the Supply Pipes
Connect one end of the hot water supply pipe to the water inlet port on the water heater unit. Tighten the connection using an adjustable wrench. Attach the other end of the supply pipe to the previously cut hot water supply pipe, ensuring a secure and watertight fit.
9. Connect the Tap
Connect the tap to the water outlet port on the water heater unit using the provided connectors. Follow the manufacturer's instructions to ensure a secure and watertight connection.
10. Turn On the Water Supply
Open the main water supply valve to restore water flow to your home. Check all connections for leaks. If you notice any leaks, shut off the water supply and recheck the connections.
11. Test the System
Turn on the hot water tap connected to the water heater and check if the hot water flows smoothly.
Important Note
Always refer to the specific installation instructions provided by the manufacturer of your under-sink boiling water heater. While these steps offer a general guide, specific details may vary depending on the model you've chosen.
Our Factory
Xiamen Smart Water Technology Co., Ltd. is a manufacturer that focuses on total drinking water solutions. From the first stage of a water filtration system to a range of drinking faucets, and boiling, chilled, sparkling filtered water systems. We have advanced technology and proven processes and can offer the best prices. We sell under-sink drinking water systems to customers across the world, We supply the widest range of Filtered Boiling Water, Chilled Water, Sparkling Water, and Ambient hot/cold Water Solutions. We have maintained a commitment to designing and manufacturing an excellent product line that makes everyday drinking water more enjoyable and safer.
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