Ariston SLIM3 20 RS MT water heater is the ideal choice for modern families, perfectly combining luxurious design and outstanding heating performance. With advanced technology, power saving capabilities and optimal safety system, the product brings a comfortable, peace-of-mind bathing experience every day.
1. Ariston SLIM3 20 RS MT water heater has a luxurious and durable design
Ariston hot and cold shower tank 20l SLIM3 20 RS MT belongs to the Ariston SLIM RS MT indirect water heater line, sold by the Italian manufacturer in the Vietnamese market from 2024. The product belongs to a high-end line, with many integrated modern features, first of all a trendy design.
Ariston SLIM3 20 RS MT possesses a luxurious and sophisticated horizontal rectangular design but still ensures neatness and is easy to install in any bathroom space. With dimensions of 29.1 cm high – 70.2 cm wide – 29.9 cm thick and weight of 13 kg, the vase is easily wall-mounted without taking up much space.

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The knob-shaped control panel combined with a ready-to-use hot water status indicator light helps users adjust and monitor the water heating process in a convenient and friendly way, even for the elderly. Every design detail is carefully taken care of by Ariston, aiming for the most comfortable and safe usage experience.
2. Ariston SLIM3 20 RS MT water heater heats water effectively
Ariston SLIM3 20 RS MT has a tank capacity of 20 liters, suitable for families of about 2 – 4 members. In addition, this is also a suitable choice for use in personal bathrooms, or for hot water needs in the kitchen.
The machine is equipped with a capacity of 2500W, along with the use of 100% Copper heating rod, helping to bring fast water heating efficiency. Normally, in just about 25 minutes, the Ariston SLIM3 20 RS MT has boiled a 20-liter water tank, ready for family members to use.
In particular, the bottle’s inner pot is coated with Titanium enamel to help increase corrosion resistance, leak resistance and withstand high temperatures up to 80°C, ensuring a superior product life compared to conventional bottles. Along with that, Ariston indirect water heater This tank is also equipped with Flexomix technology, which helps increase the amount of water input and limit the mixing of cold and hot water in the tank. Thanks to that, users can use more hot water without having to wait for it to be re-boiled, extremely convenient during peak hours.

3. Ariston SLIM3 20 RS MT kills bacteria, protects users’ health
Not only stopping at heating ability, Ariston also pays special attention to water quality – a factor that directly affects the health of users. SLIM3 20 RS MT is equipped with Ag+ antibacterial silver ion technology, which helps eliminate bacteria, mold and impurities that exist in water or in the tank wall.
The mechanism of action of Silver Ions is to break down the cell structure of bacteria, inhibiting their growth and regeneration. Thanks to that, the water source after being heated is not only clean of bacteria but also safer and purer for skin and hair, especially useful for young children or people with sensitive skin.
4. Ariston SLIM3 20 RS MT water heater is equipped with optimal safety features
Safety is always the top criterion when customers choose buy a water heaterand Ariston is always one of the companies trusted by users in this aspect. With line indirect water heater SLIM3 20 RS MT, the company brought it TSS synchronous safety system – one of the leading advanced protection standards today.
The TSS system includes full safety equipment water heater including:
- ELCB electric leakage circuit breaker: Automatically disconnects the power source as soon as a leak is detected, preventing the risk of electric shock, ensuring absolute safety for users.
- Safety pressure release valve: When the pressure in the tank exceeds the allowable level, the valve will automatically release water to help balance the pressure, avoiding explosion or damage.
- Overheat shut-off relay: The system automatically shuts off power when the water reaches too high a temperature, preventing the risk of burns due to overheated water.
- IP24 waterproof shell: Helps the bottle resist moisture and water jets, increasing safety and longevity of internal components.
Thanks to that, Ariston SLIM3 20 RS MT ensures stable, safe and reliable operation in all conditions, even when the bathroom is wet or has strong water pressure (maximum 0.8 Mpa).

5. Ariston SLIM3 20 RS MT water heater has outstanding electricity savings
One of the outstanding advantages that helps Ariston SLIM3 20 RS MT is its outstanding power saving ability. Thanks to the equipment HDI high density insulationthe bottle can retain heat longer, reducing heat loss to the environment. This not only helps maintain hot water for many hours after heating, but also helps the device reduce the frequency of reheating, significantly saving energy consumption.
Besides, the 2500W capacity and fast heating mechanism help shorten operating time and avoid unnecessary power wastage. Users only need to turn on the machine about 20-25 minutes in advance to immediately have an abundant amount of hot water to use, saving both time and money.
6. Reasonable price of Ariston 20l water heater
According to statistical data of Websosanh.vn, many units are currently distributing hot and cold shower tank Ariston SLIM3 20 RS MT with selling price 3.39 million VND. This is a reasonable level when compared to the price level 20l water heater on the market today.
With a trendy design, effective heating water quickly and keeping it hot for a long time, and comprehensive safety protection features, this will be a very worthy choice for families who need to buy a 20l water heater. In particular, the product also comes with a 2-year genuine warranty, and up to 7 years for the tank, so users can feel completely secure when choosing.
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