Vaillant 3805 Ecotec Plus 415 Open Vent GAS Boiler ERP 0010021221 100807

This open vent gas boiler offers a 15kW output and is designed for homes with traditional open-vented heating and hot water systems. With compact dimensions, it fits well in smaller plant rooms or kitchen cupboards, making it suitable for a range of typical domestic boiler replacements or new installations.

Its design provides installation flexibility thanks to multiple flue options and accessible side panels for straightforward maintenance. Commonly used by installers for upgrading existing open vent systems, this model supports easy integration with a variety of control options and is suitable for locations where space or access is limited.