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Worcester Bosch Greenstar 8000 Style 45kW Combi Gas Boiler

From: £2,999.00

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Worcester Bosch


Greenstar 8000 Style 45kW Combi Gas Boiler

Is Condensing


Efficiency Rating


Band Rating

A Rating

LPG Compatible


Standard Warranty

Up to 12 Years

Central Heating Max. Output

35 kW


Wall Mounted

Flow Rate

18.3 l/min

ERP Rating

A Heat A Water

Hot Water Max. Output

43.5 kW

Product Description

The Worcester Bosch Greenstar 8000 Style 45 kW is a wall-mounted, condensing combi gas boiler that’s compact in size and could help to lower your heating bills.

How efficient is the Greenstar 8000 Style?

An efficiency rating of 94% makes this an ErP A-rated unit for heating and hot water. Such high levels of efficiency mean that it could help to lower your heating bills.

Is the output rating suitable for my home?

A central heating output rating of 35kW makes this Greenstar 8000 boiler suitable for homes with up to 20 radiators. You also need to think about the domestic hot water (DHW) output rating, which is 43.5 kW and powerful enough to meet the needs of properties with 2 bathrooms.

What other options are available in the Greenstar 8000 range?

For homes that don’t require such a powerful boiler, the Greenstar 8000 Style boiler range also includes outputs of 30 kW, 35 kW and 40 kW, while there’s also a 50 kW unit for larger homes.

Is a combi boiler suitable for my home?

The benefit of installing a combi boiler is that it supplies hot water and heating on demand by using the mains water supply. This removes any need to have any bulky tanks or cylinders installed around the property, perfect for properties with limited space.

How long is the warranty period?

Greenstar 8000 boilers come with a 5 year warranty as standard which can be extended to 12 years when installed by a Worcester Bosch accredited installer.

What are the key features of the Worcester Bosch Greenstar 8000 45?

Greenstar 8000 Style boilers are available in 2 high-gloss options or black or white and its stylish design will help it to seamlessly fit into your home.

Some key features include increased modulation ratio of 1:10, it prevents on/off cycling for a longer life, more power than any other Worcester Bosch boiler, plus as a robust and lightweight unit, it will help to save you time and money on the installation.

The Greenstar 8000 Style is compatible with the latest smart technology, features the first Greenstar intelligent filling system to ensure the boiler maintains optimum pressure without the need to operate a filling link, improved push button LCD display which unlocks a whole host of advanced features through simple navigation, full colour display and clear text descriptions to give you maximum control over the unit.

Plus, to make servicing nice and simple, there’s easy access to all internal components as the top and side panels are removable.

How big is the Greenstar 8000 45 kW?

This is a compact wall-mounted boiler that measures only 780 x 440 x 365mm (HxWxD).