Gas wall-mounted single-function condensing boiler ONNLINE II MONO 25 WKJ58T1000000/PLAO

Condensing boilers from the Onnline series are innovative, modern devices offered in both single- and dual-function versions, used in radiator and underfloor heating installations and for preparing domestic hot water. The devices are ideal for installation in both new construction and modernized installations. The elegant and modern appearance makes the device fit perfectly into any interior.
Thanks to the use of the latest generation of components, Onnline condensing boilers are extremely environmentally friendly. A stainless steel heat exchanger and a cylindrical burner guarantee very low NOx emissions (the highest class 6). The devices have seasonal energy efficiency class A for space heating and, in the case of combi boilers, also for heating hot water.
The Onnline boiler