The new super compact, super light and easy to operate Baxi 624 combi boiler is part of Baxi’s 600 series and is very reliable. Installation and commissioning is fast and simple with no need to remove the front cover. Maintenance is also super easy, thanks to innovative features, including easy access to all major components and modular fan gas air unit.Compact cupboard fitPipes behind facility within boiler casingEasy-Fill permanent filling link makes it easier for householder to top up systemBrass hydraulics blockOpenTherm interfaceCompatible with uSense smart controlSimple hanging bracketChoice of flue lengths