The Baxi 415 heat only boiler from Baxi’s 400 series, weighing only 19.5kg is one of the lightest boilers available in the UK. Compact and easy to install, this wall-mounted Baxi 415 heat only boiler (also called regular, open vent or conventional) with its small dimensions is ideal for installation in a standard kitchen cupboard. With outputs from 12kW to 30kW, there’s a model to suit most properties and pockets. Versatile flueing with a rear flue option for ease of installation.