The Baxi 400 Series 424 is a highly compact, 24kW heat-only boiler engineered to provide robust central heating performance while seamlessly integrating into traditional open-vented or sealed setups. Weighing just 17.4kg, it is currently one of the lightest regular boilers available on the UK market, making handling, wall-mounting, and final positioning significantly safer and easier for single-person installations. This wall-hung gas appliance operates with exceptional quietness, ensuring minimal acoustic disturbance when sited within domestic living spaces or standard kitchen cupboards.

Designed with remarkable installation flexibility, the unit accommodates both central top and in-case rear flue configurations, allowing for unobtrusive exterior finishing. Crucially, the internal electronics do not require a pump overrun or a permanent live connection, which simplifies the electrical wiring process when replacing older boiler models. Producing a powerful 24kW output, this ErP A-rated boiler reliably meets the heating demands of medium-sized properties while delivering excellent fuel efficiency and reducing overall carbon emissions.

Q: Can this boiler be installed inside a standard kitchen cupboard?
A: Yes, its compact footprint and lightweight profile are specifically designed to easily fit within standard residential cabinetry.

Q: Does the installation require a permanent live electrical connection?
A: No, the simplified wiring design removes the need for a permanent live or pump overrun, streamlining retrofit installations.

Q: What are the flue configuration options available for this unit?
A: It offers versatile routing options, supporting both conventional top flue and discreet in-case rear flue installations.

Q: What is the physical weight of this boiler model?
A: It boasts an exceptionally light lift weight of merely 17.4kg, allowing for straightforward handling by a single engineer.