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Worcester Bosch Greenstar 15Ri Regular Gas Boiler

From: £1,999.00

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Worcester Bosch


Greenstar 15Ri Regular Gas Boiler

Is Condensing


Efficiency Rating


Band Rating

A Rating

LPG Compatible


Standard Warranty

Up to 10 Years

Central Heating Max. Output



Wall Mounted

Flow Rate


ERP Rating

A Heat

Product Description

The Worcester Bosch Greenstar 15Ri is a condensing regular boiler with an output rating of 15 kW.

How efficienct is the Greenstar 15Ri?

The Greenstar 15Ri is a highly efficient boiler as shown by the 92% efficiency and ErP A-rating.

Is the output rating suitable for my home?

A 15 kW makes the Greenstar 15Ri a great option for homes with around 10 radiators.

Are any other options available in the Greenstar Ri range?

This 15 kW is the one of the smaller boilers in this range – in terms of power – only more powerful than the 12 kW model. If you’re looking for a larger output there are also 18 kW, 21 kW, 24 kW, 27 kW and 30 kW models available.

Is a regular boiler suitable for my home?

A regular boiler needs to be installed as part of a heating system which also includes feed and expansion tanks in the loft and a hot water cylinder. They’re commonly found in older period homes and are usually only recommended if you’re directly replacing an older model. Otherwise, you should opt for a combi or system boiler.

How long is the warranty period?

Available with a warranty of up to 10 years when installed by a Worcester accredited installer.

What are the key features of the Greenstar 15Ri?

The appliance is supplied with a wall mounting bracket for attachment to a wall surface and levelling screws which allow the boiler unit to be adjusted so that it lies plumb against the wall.

This boiler is recommended by the Energy Saving Trust.

How big is the Greenstar 15Ri?

The Worcester-Bosch Greenstar 15Ri is also compact in terms of its dimensions H600mm x W390mm x D270mm and weighs just 22.6kg so can be installed in a kitchen cupboard an airing cupboard or in a different location depending upon your specific requirements.