Baxi

Baxi Baxi 800

CombiSystem

Baxi's flagship numbered range, compact, with combi and system options.

At a glance

Configurations: Combi, System
Best suited to: Small to medium homes, especially tight cupboard installs
Fuel: Mains natural gas (some variants are LPG-convertible, check the manufacturer’s data).

Worth knowing on site

Compact, light casing with a bottom-centre connection layout.
Combi and system variants; packs often bundle a filter, wireless thermostat and flue.

Finding the manual and the data plate

For the exact outputs, gas rate, dimensions and commissioning figures, work from the appliance’s data plate and the manufacturer’s installation and servicing instructions. The GC (Gas Council) number and serial are on the data plate, usually behind the front panel or on the underside. Baxipublishes its manuals and support at Baxi support.

Useful while you’re on the tools

Flue gas analysis explained →What is a CP12? →Flue gas ratio calculator →CP12 renewal checker →

More from Baxi

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Manifold is not affiliated with or endorsed by Baxi. Brand and model names are used only to help engineers find the right resources. Specifications and available variants change by year and model, so always work from the appliance’s data plate and the manufacturer’s own installation and servicing manual. Gas work must be carried out by an appropriately Gas Safe registered engineer.

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Finding the manual and the data plate