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HydroHexa heat interface units provide both hydraulic and thermostatic control. Low return water temperature enables efficient operation with condensing boilers. Heat exchangers and pipes are manufactured from AISI 316 stainless steel.
This model operates with domestic hot water (DHW) priority. The cold exchanger principle eliminates limescale risk while providing instant hot water production.
| Type | Model | Hot Water Capacity | Heating Capacity | Order Code | |
|---|---|---|---|---|---|
| Direct | HydroHexa DHW | 12 | 33 | - | 4141-3310 |
| Direct | HydroHexa DHW | 18 | 50 | - | 4141-5010 |
| Direct | HydroHexa DHW | 24 | 65 | - | 4141-6520 |
| * Calculations are based on a boiler temperature of 65°C. | |||||
| ** Calculations are based on producing domestic hot water at 45°C. |

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