Indirect water heater SGW(S)B Tower Biwal 300L class A, with two spiral heat exchangers, enameled, in polyurethane foam (Neodul) and skay casing 26-309800

Bivalent heat exchanger for a comprehensive hot water system

Tower Biwal SGW(S)B is a 300-liter hot water tank equipped with two spiral heat exchangers, designed to work with various heat sources. This is an ideal solution for installations powered by a central heating boiler, as well as systems utilizing solar energy. Thanks to the two heat exchangers, it is possible to effectively utilize heat from multiple sources, which translates into lower operating costs and greater user comfort.

Construction and application

The Tower Biwal heat exchanger is characterized by a solid steel construction, protected by EXTRA GLASS® ceramic enamel and a magnesium anode – which ensures long-lasting protection against corrosion. Polyurethane foam insulation (or optionally Neodul® in the demountable version) minimizes heat loss, maintaining a high water temperature for a long time. This makes the device perfect for both single-family homes, multi-family buildings and commercial facilities. The lower heat exchanger is dedicated to working with solar collectors, and the upper one – with a central heating boiler, allowing for optimal use of available energy sources.

Advantages and benefits

• Versatility: Possibility of connection to various heat sources – central heating boiler, solar collectors, and even an electric heater (optional).
• High efficiency: Two spiral heat exchangers with a large surface area ensure fast and efficient water heating.
• Durability: EXTRA GLASS® ceramic enamel and a magnesium (or titanium) anode guarantee long life and corrosion resistance.
• Energy saving: Effective insulation minimizes heat loss, reducing operating costs.
• Easy installation: All hydraulic connections are located at the back of the tank, which facilitates installation and ensures an aesthetic appearance.
• Safety: RESIST-TECH® anti-corrosion protection extends the tank's life by up to 50%.
• Energy class A: Guarantee of efficient energy use and low operating costs.

Construction features

The Tower Biwal tank was designed with ease of installation and maintenance in mind. Placing all hydraulic connections at the back of the device facilitates connection to the installation, and access to elements requiring service is convenient and intuitive. This allows both installers and end-users to enjoy trouble-free operation of the device for many years. In addition, a clear thermometer on the front of the tank allows for continuous monitoring of the water temperature.