Cordivari BOLLY 2 ST FB WB hot water boiler with 2 fixed 300-litre exchangers
The Cordivari BOLLY 2 ST FB WB 300-liter hot water boiler is a thermal accumulator designed for the production and storage of domestic hot water for integration with traditional, solar, or biomass systems. The domestic hot water boiler is a storage tank capable of holding large quantities of water, maintaining it at the desired temperature.
Producing domestic hot water for personal hygiene or domestic use is essential for meeting the most common residential needs. To meet these needs and ensure constant and instant availability of domestic hot water, it is now highly recommended to combine a domestic hot water boiler with a boiler. It is also possible to produce domestic hot water using renewable energy sources such as solar thermal panels, which also allows for energy cost savings. The BOLLY 2 ST FB domestic hot water boiler fulfills this function, offering users all the quality, efficiency, reliability, and technology typical of Cordivari.
The 300 litre Cordivari BOLLY 2 ST FB ACS boiler is made of steel coated in Polywarm (ACS - SSICA - EN 16421 certifications) suitable for drinking water pursuant to Ministerial Decree no. 174 of 06.04.04 and with rigid insulation in expanded polyurethane with high thermal insulation and external PVC coating .
Equipped with two fixed steel heat exchangers coated in Polywarm, which are particularly high-quality and durable; the fixed exchanger boiler contains a tank for domestic hot water, which is composed of a fixed coil that heats the surrounding liquid. This type of storage tank is undoubtedly among the most reliable and high-performance, ensuring an excellent balance between quantity and speed of DHW supply, even in situations where demand is high.
BOLLY 1 ST FB Cordivari features high cathodic protection thanks to the presence of the magnesium anode that protects the accumulator from corrosion, ensuring longevity and robustness against corrosion that could be caused by continuous galvanic currents; drain through a sleeve on the bottom; gaskets in food-grade silicone rubber, operating resistance up to 200 °C and carbon steel head with Polywarm treatment. Accumulator with Pmax 10 bar and Tmax 90°C, exchanger with Pmax 12 bar and Tmax 110° and energy class B.
All hydraulic connections on the back, front connections and flange are aligned for quick and easy installation, with drain through a sleeve on the bottom.
The installation is on a base, must be carried out by authorized and qualified technical personnel and requires a dedicated technical room capable of housing the bulk of the boiler, taking care to reserve adequate space for maintenance operations.
Dimensions
- Height: 1486 mm
- Width: 650 mm
- Weight: 83 kg
- Volume: 291 lt
Warranty
The guarantee is the official Cordivari one and lasts 2 years .
