Why choose Ariston 20L water heaters?
- Perfect capacity for families with 3-4 members (a common household size).
- Coming from the renowned global brand Ariston, ensuring high quality and durability.
- Optimal water capacity, heating relatively quickly, serving three people in one go without long waits.
- Energy-efficient with advanced technologies for cost-saving usage.
- The heaters are equipped with safety features and a variety of models for customer peace of mind in choosing based on their needs.
Here are some of the best-selling 20-liter water heaters today.
1. Water Heater Ariston Blu 20 Slim 2.5 FE

Innovative Features in 20L Water HeaterThis 20L capacity water heater is designed as an indirect dispenser, not direct. It features an ELCB shock prevention system for enhanced safety. The heating element is made of copper, coated with Titan enamel for quick heating and resistance to sediment, oxidation. With an IPX1 standard waterproof rating, it ensures no water leakage and provides peace of mind during use.
The operating water pressure of the Blu 20 SLIM 2.5 FE tank is a maximum of 0.75 Mpa. The square-shaped box design alternates between two colors, white and green, is both simple and elegant. Additionally, you can easily adjust the temperature with the smart temperature control button. The product is sold exclusively at Ariston dealers nationwide at a very affordable price ranging from 2.1 to 2.5 million VND.
2. Water Heater Ariston SL2 20R 2.5 FE

Next up is a consistently top-selling product: Ariston 20L SL2 20R 2.5 FE water heater. With an operating power of 2500W and dimensions of length 704, width 301, height 282 (mm). It uses a high-quality copper heating element and Titan enamel coating, ensuring fast heating and effective sediment and oxidation resistance.
The maximum temperature that can be reached is 80 degrees Celsius. Thus, at 80 degrees Celsius, customers can efficiently bathe for 2-3 people at the same time. The tank shell is waterproof, with a high-density insulation layer. Integrated with ELCB shock prevention technology, automatically disconnects heat when the electric current is unstable or the water temperature reaches the maximum. A practical product for families with 3-5 members.
3. Ariston 20L SL2 20LUX Wifi Hot and Cold Water Dispenser

A name speaks volumes, and this is precisely a 20-liter hot and cold water dispenser designed for economically well-off families. The most impressive highlight of the product is its elegant and mysterious black design, enhanced by the intelligent wifi functionality. With this, customers can use their mobile phones to connect to the water dispenser via wifi and easily adjust various functions.
The dispenser also utilizes copper heating elements, with the inner coating of the tank made of titanium enamel. It features a high-end ELCB shock prevention system, the latest European standard energy-saving technology, ECO EVO. The modern electronic thermal stability TBSE system, with the machine's microchip automatically monitoring parameters anytime, anywhere, ensures safety and convenience in all real-life usage scenarios.
So, if your family consists of 3-5 members, using the Ariston 20L water dispenser is the ideal choice. A perfect solution to save costs and ensure quality, convenience, and safety in everyday life.
