The Tensio Protect function provides increased comfort on the hot water circuit due to the oversized secondary heat exchanger. This guarantees the highest level of comfort and reliability in use. The efficiency class is 3 stars according to Directive 92/42/EEC and correspondingly 3 stars according to the EN13203 standard for hot water comfort for models C3224B Sigma24 and C3231C Sigma 31 TN.
Comfort is enhanced by an oversized secondary heat exchanger with 14 or 26 plates, and reliability is maximized. These boilers allow you to connect a heated floor system, providing additional comfort in the home.
Intelligent water flow and heat demand detection system ensures efficient and stable operation. The user receives a user-friendly communication interface, including a digital display and error codes for quick and accurate diagnosis of any problems.
In addition, these boilers feature minimal limescale deposits on the fiberglass hydroblock, ensuring long life and low maintenance. All these features contribute to creating a comfortable and reliable experience for home users.
Type: | Classic |
Power, kW: | 31 |
Heating surface, m²: | 310 |
Number of circuits, units: | 2 |
Combustion chamber type: | Closed (Turbo) |
Number of heat exchangers, units: | 2 |
Efficiency, %: | 94 |
The volume of the expansion vessel, liters: | 7 |
Sizes, mm: | 700x436x306 |
Weight, kg: | 32 |
Hot water consumption, l/min: | 12 |
Chimney diameter, mm: | 60/100 |
Maximum pressure, bar: | 3 |
Heating connection, inch: | 3/4 |
Water connection, inch: | 1/2 |
Gas connection, inch: | 3/4 |
Energy efficiency class: | A |
Installation method: | Vertical |
Display: | Yes |
Destination: | Heating/water supply |
Color: | White |
Electrical safety class: | IPX4D |