Domusa SIRENA MIX DUO HFD 40 Oil Boiler

The Domusa Sirena MIX DUO HFD 40 oil boiler, reference TSIRM00F13, is a cast iron condensing boiler with forced draft, ideal for providing efficient heating and instant domestic hot water (DHW). With a useful output of 39.4 kW, this boiler is designed to meet the heating and hot water production needs of large homes or commercial premises, offering optimal performance and durability thanks to its cast iron body.

Energy Efficiency:

The Domusa Sirena MIX DUO HFD 40 is rated with an energy efficiency class B for both heating and DHW, ensuring efficient energy consumption without compromising performance. This model is designed for low temperature, which reduces energy losses and improves diesel efficiency.

With an XL load profile, this boiler is equipped to handle large volumes of hot water, making it an excellent choice for installations with a substantial DHW demand.

Power and Performance:

With a useful output of 39.4 kW, the Domusa Sirena MIX DUO HFD 40 provides efficient heating for large spaces, ensuring a comfortable temperature throughout the home or installation. Its DHW production is 18.8 litres per minute at 30°C, ensuring a consistent and rapid hot water supply for multiple simultaneous usage points, ideal for homes with several showers, bathrooms, and other hot water uses.

The DHW heat exchanger is designed to provide instant hot water without performance loss, even during high demand periods, ensuring efficient supply at all times.

Complete Equipment:

This boiler comes fully equipped with a range of essential components for optimal and safe operation:

• Heating check valve, ensuring proper water circulation.
• Heating pump and primary DHW pump, ensuring efficient flow in both systems.
• Safety valve and automatic air vent to keep the system safe and air-free.
• Summer valve, optimising operation during warmer periods.
• Integrated expansion vessel, regulating water expansions in the system.
• Integrated filling/draining valve, facilitating maintenance and operation.
• Burner included, ensuring efficient and safe combustion.
• Accumulator connection, allowing integration of an additional DHW storage system if required.

Additional Options:

The Domusa Sirena MIX DUO HFD 40 can be enhanced with various additional options that increase its functionality and ease of use:

• Time programmer, to adjust boiler operation according to daily needs, optimising energy consumption.
• Optional WiFi Comfort Thermostat, allowing remote control of heating and DHW production, offering convenience and efficiency.

Robust Design and Durability:

The cast iron body of the boiler ensures a long service life and excellent corrosion resistance. This material is known for its ability to withstand high temperatures, ensuring that the boiler operates efficiently and reliably for many years.

With compact dimensions of 840 mm in height, 450 mm in width, and 750 mm in depth, this boiler can be easily installed in boiler rooms or technical areas without taking up too much space, making it a versatile solution for a variety of installations.

Key Technical Features:

• Useful output: 39.4 kW, ideal for large heating and DHW systems.
• DHW production: 18.8 litres per minute at 30°C, ensuring a consistent supply for multiple usage points.
• Energy efficiency class:
  • B in heating.
  • B in DHW.
• Manufacturing material: Cast iron body, ensuring durability and corrosion resistance.
• Dimensions:
  • Height of 840 mm.
  • Width of 450 mm.
  • Depth of 750 mm.
• Connections:
  • Heating flow and return: 1".
  • DHW outlet and inlet: 1/2".

Connectivity and Control:

The Domusa Sirena MIX DUO HFD 40 is compatible with the optional WiFi Comfort Thermostat, allowing users to remotely control heating and DHW production from any mobile device. This enhances convenience and allows system operation adjustments to maximise efficiency and fuel savings, ensuring optimal comfort at all times.

Applications and Versatility:

The Domusa Sirena MIX DUO HFD 40 is ideal for large homes, commercial installations, or large families requiring a high-performance heating and DHW system. Its XL load profile and capacity to produce up to 18.8 litres of DHW per minute make it suitable for installations with high simultaneous hot water demands.

Thanks to its robust design and compact dimensions, the boiler can be installed in a variety of configurations, providing a flexible and efficient solution to meet the heating and DHW needs of any installation.