Tesy 
Buffer tanks for heating systems with two heat exchangers
V 12/8 S2 1500 120 F45 P6 C
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- Low pressure buffer tanks (3 bars), designed to storage and distribute energy from up to 4 different heat sources
- Option for installation of up to 4 thermal sensors
- Highly efficient PU insulation
| Capacity | 1415 L |
| Net weight | 308 kg |
| Insulation | 100 mm |
| Heat exchanger surface S1 | 3.47 m² |
| Heat exchanger surface S2 | 2.3 |
| Heat exchanger capacity S1 | 31.4 L |
| Heat exchanger capacity S2 | 20.5 L |
| Heat losses ∆T 45K | 158 W |
| Energy class | C |
| Maximum operational temperature | 95 °C |
| Maximum operational temperature of the heat exchanger | 110 |
| Rated pressure of the water tank | 3 bar |
| Rated pressure of the heat exchanger | 6 bar |
| Diameter | 1200 mm |
| Number of inlets | 4 pieces |
| Number of outlets | 5 pieces |
| Minimum height of the premise | 2265 mm |