SIRENA HFD - Domusateknik EN

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Oil standard boilers SIRENA HFD

  • High performance
  • 2 Versions:

    - Sirena cal (heating)
    - Sirena Mix DUO HFD (heating and instant dhw)

Oil fired cast for iron heating boiler

SIRENA HFD is a range of boilers with cast iron heat exchangers and high combustion performance, in excess of 93% of the LHV.
The range consists of 2 versions, heating only and heating + domestic hot water, with wattages of 29 or 40 kW. The heating only version is equipped with the hydraulic and electric sockets required for connection to a domestic hot water tank.

Advantages SIRENA HFD

EASY INSTALLATION

This range is specially designed for quick, easy installation and is fully kitted out on supply. Equipment includes a non-membrane flow switch, an expansion tank and automatic dual safety drain valves.

DUAL PUMP SYSTEM

The boiler includes a hydraulic dual pump circuit and a powerful heat exchanger, and can supply up to 17.8 litres or 22 litres of domestic hot water per minute (depending on the version), with a 30ºC temperature increase.

80 MM DIAMETER FORCED DRAUGHT GAS REMOVAL

The special burner design allows the boiler to be installed with an 80 mm insulation-free gas outlet system, even with horizontal sections of piping, which can mean major savings on installation costs.

Is this not the model you were looking for? We invite you to discover our full range of Oil Standard Boilers.

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