Instant Hot and Cold Water Dispenser
Smart Dual-Temperature Water System | Under-Sink Installation | OEM/ODM Available
Upgrade your hydration and kitchen convenience with our Instant Hot and Cold Water Dispenser, engineered for effortless delivery of boiling and chilled water from a single sleek tap. Designed for modern homes, offices, restaurants, and hospitality spaces, this under-sink unit combines advanced temperature control, smart safety features, and elegant design for total water convenience.
What Is Instant Hot and Cold Water Dispenser?
Instant Hot And Cold Water Dispenser system works with a multi-function faucet. The instant hot and cold water dispenser offers on-demand hot water, cold water, and pure water on one faucet body, adjustable temperature settings with digital controls, and 14 preset temperature settings,45,55,65,75,80,85,90,91,92,93,94,95,96 or 98 degrees. It is a versatile device for any home or office.
Why Choose Our Dispenser?
🔸 Instant Hot & Cold Access
Pour a hot cup of tea or a cold glass of water in seconds-no waiting, no waste. Perfect for busy kitchens, office breakrooms, or cafés.
🔸 Safe for the Whole Family
Built-in child-safety lock on the hot water feature and splash-proof dispensing prevent accidents and ensure peace of mind.
🔸 Cost Savings Over Time
Forget bottled water and electric kettles. This system minimizes power usage and reduces your reliance on disposable plastic.
🔸 Flexible Use Scenarios
Whether you're boiling water for cooking, brewing herbal tea, or preparing baby formula at the perfect temperature, this dispenser is a versatile solution for everyday life.
Smart Instant Hot Water Dispenser
A smart instant hot water dispenser is a device that provides hot water on demand. They are equipped with sensors and heating elements that quickly heat water to a desired temperature, eliminating waiting for a kettle to boil or a traditional water heater to warm up. The thermostat is accurate within 0.5 degrees.
Instant Hot Water Dispenser System
This is a reverse osmosis system with a 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 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.
Under Sink Boiling Water Heater
Our under-sink boiling water heater can dispense 60+ cups of boiling water per hour with adjustable temperatures from 45 to 98 degrees.
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.
Under Sink Boiling Water Dispenser
The under-sink water boiler is one of the kitchen appliances found in modern families. It can quickly heat tap water to a boiling state and provide a hot water supply. The undercounter water boiler is a water boiler installed under the kitchen, which has the advantages of saving space and being beautiful.
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.
Application of Instant Hot and Cold Water Dispenser
Workplace:
Instant hot and cold water dispensers are a great benefit to offices and workplaces because they encourage employees to stay hydrated, which improves productivity and focus. It also saves time and energy because employees don't have to leave the office to get water.
Public places:
Instant hot and cold water dispensers are often located in public areas, such as waiting rooms, lobbies, and entertainment venues. They provide people with a convenient way to get water without having to buy bottled water or use public water dispensers.
Beverage stations:
In restaurants, hotels, and cafeterias, instant hot and cold water dispensers can be installed at self-service beverage stations. This allows customers to refill their cups of tea and coffee with hot water, or cool drinks such as lemonade and iced tea with cold water. It simplifies the service process, reduces employee workload, and makes operations smoother.
Cooking and food preparation:
The hot water function is very convenient for cooking. It can be used to blanch vegetables, make instant noodles, dissolve gelatin, and more. Instant hot and cold water dispensers are a quick and efficient way to get hot water for a variety of cooking needs.
Infant formula brewing:
For parents with infants, the instant hot and cold water dispenser is especially useful for quickly brewing infant formula. The hot water function ensures that you get the right water temperature without having to wait for the water to warm up.
Making herbal teas and infusions:
The hot water function allows you to easily brew herbal teas and infusions, which often require water at a specific temperature for optimal flavor.
First aid and minor injuries:
In situations where hot or cold compresses are needed for first aid or relief of minor injuries, the instant hot and cold water dispenser can quickly provide the necessary water temperature.
Components of Instant Hot and Cold Water Dispenser
Water reserve
The water reservoir is where the water is kept; it refers to the location where the water is placed prior to heating or cooling. The size would vary, depending on the model.
Heating element
The heating element heats the water to a specific temperature. This is usually located near the bottom of the dispenser. The element can quickly heat the water for instant use.
Cooling unit
The cooling unit cools the water, thereby giving it cold water. It uses a compressor or a thermoelectric system to cool down the water.
Dispensing taps
The taps allow a user to access the water outside of the machine. Dispensers are most likely to have hot and cold separate taps.
Thermostat
The thermostat is the component that manages the temperature of the water. It ensures the water is kept at the correct hot or cold level.
Power source
It requires electricity to operate. It accommodates the power source for the heating and cooling units.
How to Maintain Instant Hot and Cold Water Dispensers

1. Regular cleaning
Regular cleaning of your instant hot and cold water dispenser prevents the buildup of harmful bacteria and ensures that the water you drink is safe and pure. Over time, mineral deposits and biofilm can accumulate inside the dispenser, which can affect both the taste and safety of the water.
How to clean your instant hot and cold water dispenser:
● Exterior cleaning: Wipe down the exterior surfaces of the dispenser with a damp cloth and mild detergent. This should be done at least once a week to remove any dust, dirt, or spills.
● Drip tray: The drip tray should be emptied and cleaned regularly. Soak it in warm, soapy water for a few minutes, then rinse and dry thoroughly.
● Internal cleaning: At least once every three months, perform a thorough internal cleaning. Unplug the dispenser and drain any remaining water. Fill the reservoir with a mixture of water and white vinegar (1:3 ratio) and let it sit for 15 to 20 minutes – this helps to dissolve mineral deposits. Drain the vinegar solution, rinse the reservoir with clean water several times, and wipe down the interior with a clean cloth.
2. Replace filters regularly
Filters are crucial for removing impurities from your water. Over time, they can become clogged with impurities, limiting their efficiency and potentially allowing harmful substances through.
How to replace filters:
● Check manufacturer guidelines: Refer to your instant hot and cold water dispenser's user manual for specific instructions on how often to replace the filters. This typically ranges from every three to six months, depending on usage and water quality.
● Purchase the correct filters: Ensure you are buying the correct type and size of filters for your specific model.
● Installation: Follow the instructions provided with the new filters to install them properly. Generally, this involves removing the old filter, rinsing the new one, and securing it in place. After installation, run a few gallons of water through the dispenser to flush out any loose carbon particles from the new filter.


3. Monitor for leaks and mechanical issues
Regularly inspecting your instant hot and cold water dispenser for leaks and mechanical issues can help prevent larger problems and extend the lifespan of the unit. Addressing small issues promptly can save you from costly repairs or the need for a replacement.
How to monitor and fix issues:
● Check for leaks: Periodically inspect the area around the instant hot and cold water dispenser for any signs of water leakage. Leaks can occur from internal components or the tap. If you notice any water pooling, identify the source and fix it promptly. This might involve tightening connections or replacing worn-out parts.
● Listen for unusual noises: Unusual noises can indicate mechanical issues. If your dispenser starts making strange sounds, it might be due to a faulty compressor or a problem with the heating/cooling elements. Consult your user manual for troubleshooting tips or contact a professional for assistance.
● Regular servicing: Consider scheduling regular maintenance checks with a professional technician, especially if your instant hot and cold water dispenser is used frequently in a busy office environment. This can help identify potential issues before they become serious problems.
How the Instant Hot and Cold Water Dispenser Works
At the core of an instant hot and cold water dispenser are two separate tanks, one for heating water and a water chiller for cooling it. These tanks use different methods to control the temperature of the water.
Heating water
The hot water tank uses an electric heating element to heat the water and has a mini tank. When you press the hot water button, then ready to be dispensed.
Cooling water
The water chiller uses a refrigeration system to cool the water. Temperature: 3-8°, Capacity: 2-3.6L
OEM/ODM Solutions from Xiamen Smart Water Tech
As a trusted OEM manufacturer behind many international water system brands, we offer:
- Private label solutions
- Custom faucet designs & control panels
- Color, material, and logo customization
- Fast prototyping & flexible order quantities
- Global safety certifications (CE, UL, UKCA, TUV, IEC)
Our R&D center reinvests 10% of annual revenue, backing every product with patented designs and advanced functionality.


Certifications & Safety
- CE, UL, UKCA, IEC, TUV compliant
- ISO 9001 & ISO 14001 certified facilities
- BPA-free and food-grade materials





FAQ – Instant Hot and Cold Water Dispenser
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