Garanzia Italiana 24 mesi

Ferroli DIVACONDENS D PLUS F24 LOW NOx Methane Condensing Boiler Complete with Split Flue Exhaust Kit

€575,00 VAT included
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Technical features

Energy label specifications according to the European ErP directive

  • Class B heating energy efficiency
  • DHW energy efficiency profile XL Class A

Heating/DHW operation characteristics:

  • Max heating heat output kW 25.8
  • Nominal heat output Pn kW 24
  • Pmax efficiency (80/60°C) % 96.5
  • Yield 30% % 103.5
  • Directive efficiency class 92/42 EEC ****
  • Max heating/DHW operating pressure. bars 3 / 9
  • Max heating temperature °C 90
  • Heating water content 1.5 litres
  • Heating expansion vessel capacity 8 litres
  • Expansion vessel pre-charge pressure heating bars 1
  • Sanitary water content 0.3 litres
  • Sanitary flow rate ∆t 25°C l/min 14.0
  • Sanitary flow rate ∆t 30°C l/min 11.6
  • IP X5D protection rating
  • Electrical power absorbed W 95
  • Extremely compact dimensions (LxHxD): 400x700x330 mm; 35kg
  • Sound power level LWA dB 57
  • NOx class 3
  • Fuel: METHANE


  • DIVACONDENS D is the condensing heat generator for traditional heating systems.
  • The proven Ferroli technology in the field of traditional wall-mounted boilers has been enriched by increasing the performance of the product in the simplest way, with the use of a robust recuperator which preheats the primary circuit using the residual heat of the exhaust fumes.
  • The quality of the DIVACONDENS line is unquestionable, and Ferroli is ready to put it to the test by offering its customers extended warranty coverage with the "5 years without worries" formula which also ensures periodic maintenance and legal checks.


Divacondens D is available in two models for heating and instantaneous production of domestic hot water, forced draft boiler and sealed chamber

  • mod. F 24 - MAXIMUM HEAT OUTPUT 25.0 kW
  • mod. F 28 - MAXIMUM HEAT OUTPUT 28.0 kW
  • Strengths:
  • Condensing boiler for heating high temperature systems and producing domestic hot water. It is not suitable for combination with direct delivery to systems with low temperature radiant panels
  • Compact geometry primary exchanger entirely made of copper
  • Instant production of domestic hot water with dedicated plate exchanger
  • Post-recovery of the latent heat of condensation, acting as pre-heating of the primary circuit
  • Sealed chamber and forced draft boiler, with AISI 304 stainless steel atmospheric burner
  • Hydraulic by-pass as standard
  • High efficiency, low consumption circulator (ErP - Class A) with anti-blocking system activated for a few seconds every 24 hours of inactivity
  • Can be combined with the modulating remote timer control
  • Simple and complete control panel, user interface on display, with setting keys

Advantages of Divacondens D:

  • Robust post-condenser powered by the closed circuit of the primary, i.e. without input of external mains water. The heat exchange with the fumes takes place inside large diameter water passages.
  • Generator with simple and rational operation
  • Condensate collection device to protect the air pressure switch, for regular combustion even in the presence of very cold external temperatures
  • ECO function in domestic hot water for greater savings in periods of low use of hot water
  • Preparation for solar systems: predisposed for the production of domestic hot water combined with solar panel systems
  • Installation location: also outdoors in a partially protected place down to -5°C as standard
  • Certified operation also with propane air (50% air - 50% G31) through a specific transformation to be requested from the Authorized Assistance Center (max total price of 30 euros + VAT)
  • Also works on LPG with the use of a special conversion kit to be requested from the Authorized Assistance Centre. Free transformation during product verification and warranty activation only if the specific code running on LPG is not available.


ANTI-FREEZE In the event that the temperature in the boiler drops to 5°C, the burner turns on automatically and the circulator activates in order to protect the appliance from damage caused by frost. This function is active with the boiler powered by the gas circuit and under electrical voltage.

  • POST-CIRCULATION This function allows you to recover all the heat supplied by the thermal inertia of the exchanger and transfer it to the heating system, and consequently to the rooms to be heated. This is a timer function (with customizable duration) and is active after the burner switches off in heating mode.
  • OPERATION IN SLIDING TEMPERATURE With the installation of the "External probe" kit it is possible to operate the boiler in sliding temperature. This means that without acting on the system temperature adjustment buttons, the boiler will self-regulate based on variations in external temperatures. All this translates into energy savings while ensuring maximum comfort for the user.
  • EASY CONTROL The DIVACONDENS D electronic board adopts the Opentherm protocol. It allows the integration of other peripheral control units such as, for example, the ROMEO remote timer control. The Opentherm standard has in fact been specifically designed to share the boiler's operating logic and algorithms with other additional control units. As a digital protocol, it allows for total integration between the boiler and the satellite, with full control of the functions from the boiler and similarly from its satellite
  • CONTROL UNIT The DIVACONDENS D control unit consists of an easy-to-use interface with a backlit display. Using the buttons it is possible to easily adjust the heating flow temperature, the domestic hot water set point, turn the generator on/off or activate the comfort function, monitoring the status of the boiler. The control panel is completed by a traditional pressure gauge which can check the system pressure at any time.
  • CAN BE COMBINED WITH THE ROMEO CHRONOCONTROL: The Romeo timer control allows the control and setting of the boiler functions directly from the room in which it is installed. Comfort programming is possible on a weekly basis and also includes the 'holiday' function. Romeo is available with wired or wireless connection. ROMEO's modulating function allows the boiler power to be modulated as the set room temperature value is reached. This improves the quality of comfort by eliminating heat peaks with consequent energy savings.

Product Warranty
All products for sale on our site are new and packaged. The warranty on this item is 24 months from the date of purchase.

Scheda Tecnica

  • peso: 35.0 kg
  • classe energetica produzione acs: A
  • classe energetica riscaldamento: B
  • gas: Methane/LPG
  • marca: Ferroli
  • metri quadri : 120
  • modello: CALD_324G
  • potenza in kw: 24
  • potenza nominale: 24
  • superficie riscaldabile mq: 120
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