The Baxi 400 Heat is an ultra-lightweight 15kW regular gas boiler designed to provide robust heating performance for properties equipped with traditional hot water cylinders. Weighing an exceptionally low 17.5kg and measuring just 625x370x270mm, it is engineered for unobtrusive installation within a standard kitchen cabinet. The unit does not require a pump overrun or a permanent live connection, simplifying the electrical requirements and making it a straightforward replacement for older standard efficiency models.

This ErP A-rated heat only boiler operates with a central top flue or an optional in-case rear flue configuration, offering installers a neat finish across a variety of domestic environments. It is fully compatible with market-leading Megaflo Eco cylinders and features a simple wall mounting bracket to expedite the fitting process. Built for reliable and quiet operation, it incorporates modern uSense smart control compatibility to ensure compliance with the latest energy regulations while minimising long-term energy consumption.

Q: Does this boiler require a pump overrun to function correctly?
A: No, the system operates without the need for a pump overrun or a permanent live connection.

Q: What is the total lift weight of the unit?
A: The boiler features an industry-leading low lift weight of just 17.5kg to facilitate easier handling.

Q: Can the flue be routed from the back of the casing?
A: Yes, it supports an in-case rear flue option for a streamlined aesthetic in restricted spaces.

Q: Is the system compatible with unvented hot water cylinders?
A: It is fully compatible with leading hot water storage systems including the Megaflo Eco cylinder range.