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    Venexia 25

    It is the new range of CS Thermos thermo stoves. It is a generation of thermo stoves designed to achieve important yields and a high output to water, thanks to the greater exchange surface. The double colored door of Venexia frames the hearth glass and enhance the flame, making the handle and other technical details invisible, with an effect of elegant simplicity. The models are equipped with all safety devices and also: 3-way diverter valve with priority to DHW system, electronic circulator, 8 lt. expansion tank.

    On the return circuit, a chemical-physical water treatment system must be installed, for instance a magnetic dislimer.

    Anti-condensation valve to be installed.

    ★ ★ ★ ★

    Technical data

    Pellets, Pellets/Biomass
    Maximum power
    25.68 kW
    Thermal power introduced
    23.98 kW
    Nominal thermal power to water
    22.13 kW
    Heated volume
    640 m³
    Performance with pellets or wood
    93.4 %
    CO emissions at 13% O²
    80 mg/Nm³
    Power levels
    Flue gas outlet
    Rear, Upper
    Air ducting
    270 kg
    Dimensions WxDxH
    62 x 63 x 130 cm
    Pellet tank capacity
    32 kg
    Flue gas output diameter
    80 mm
    ★ ★ ★ ★

    This product complies with the Class 4 Stars, according to the emission and performance requirements of the Decree of 7 November 2017, n°186 (Italy).


    • Mechanical safety devices: 3 bar outlet valve, boiler thermostat, air pressure switch and water pressure switch.
    • Safety electrical safety devices: inductive sensors that constantly check the position of motors rotation; flue gas probe.

    Supplied Accessories

    • "L" bar for ash cleaning
    • Collar for top flue header
    • Kit for DHW circuit: 3-way valve, electronic circulator system, DHW probe.
    • Hydraulic safety devices kit: expansions vase, 3 bar outlet valve, automatic vent valve, system drain.
    • Water tank probe

    Accessories on demand

    • Remote ignition with optional GSM device and controlling app.


    Thermo hydro
    Multifuel patented burner
    Backfire impossible
    Anti Blow System
    Radiant glass
    Rear or top flue gas
    Air intake from outside
    GSM control

    Materials and Finishes

    Stainless steel with epoxy paints



    Materials and Finishes

    Stainless steel with epoxy paints


    Red met


    General Catalog
    Thermostoves Catalog
    User Manual
    Certificate of Conformity
    Star Rating (Italian Standard)
    Energy Label

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