Viadrus Hercules U22 D4 20 kW

Solid fuel chimney floor single-circuit boiler of moderate power that does not require connection to a household electrical network. The manufacturer is positioned as a product of the middle price category with wood-fired power (it is also possible to use hard/lignite coal, anthracite or coke). It is the youngest model in the family of Viadrus Hercules U22 devices. It is intended for heating houses/cottages, as well as commercial, communal, household and industrial premises up to 150 m2, which are equipped with a water heating system with natural or forced circulation of the coolant.

Equipped with an open combustion chamber, designed for installation in a separate non-residential (boiler) room. For safe regular operation of the device, free air flow and a well-equipped chimney system of a certain geometry with a natural draft of more than 18 Pa (approximate height of more than 5 m) are required. In addition to the above types of fuel, the Viadrus Hercules U22 D4 boiler can operate on wood-based pellets and briquettes. Cast iron 4-section heat exchanger provides efficiency up to 78%. When loaded with anthracite, it can provide a significant duration of the working cycle (up to 12 hours). Heat-resistant grates and doors are designed for many years of trouble-free operation.