Tesy 
Buffer tanks for heating systems with two heat exchangers
V 11/5 S2 400 75 F42 P6
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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
| Energy class | C |
| Diameter | 759 mm |
| Maximum operational temperature | 95 °C |
| Capacity | 400 L |
| Heat losses ∆T 45K | 2.8 kWh/24h |
| Rated pressure of the water tank | 3 bar |
| Thermo pocket | 6 pieces |
| Heat exchanger capacity S2 | 4.6 L |
| Net weight | 140 kg |
| Heat exchanger capacity S1 | 10 L |
| Rated pressure of the heat exchanger | 6 bar |
| Insulation (rigid PU) | 50 mm |
| Heat exchanger surface S1 | 1.65 m² |
| Heat exchanger surface S2 | 0.76 |
| Maximum operational temperature of the heat exchanger | 110 |
| Number of inlets | 4 pieces |
| Number of outlets | 5 pieces |
| Height | 1411 mm |
| Minimum height of the premise | 1592 mm |