Worcester Bosch

Worcester Bosch Greenstar 4000

CombiSystem

A mid-range Greenstar with a full-colour display, aimed at small to medium homes.

At a glance

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

Worth knowing on site

Full-colour text display and a quiet-mark design.
Combi and system options; check the specific output on the data plate.

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. Worcester Boschpublishes its manuals and support at Worcester Bosch 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 Worcester Bosch

Greenstar 2000 Greenstar 8000 (Life & Style)Greenstar Ri

Manifold is not affiliated with or endorsed by Worcester Bosch. 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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