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Worcester Bosch Greenstar Heatslave II 18/25 Internal Oil Combi Boiler 1/3 – IFC

Worcester Bosch Greenstar Heatslave II 18/25 Internal Oil Combi Boiler 1/3 – IFC

SKU: 200-106-69-02

£7,046.00

MSRP:

Starting from £7,046.00
Instant Advice Options
What's Included
High-output 25 kW oil combi boiler with concealed controls, ideal for medium homes. Offers A-rated heating and versatile flue options.
  • Hot water flow rate of 18l/pm
  • With an ERP rating of A and efficiency of 89.2%
  • Central heating output of 25kW
  • WarmZilla is a trusted Worcester Bosch Installer
GET QUOTE

We offer fast and reliable boiler installations within 48 hours.

Every one of our engineers are Gas-Safe Registered.

We cover every UK postcode.

Rated Excellent on Trustpilot.

Don't Just Take Our Word For It: See Why UK Homeowners Trust WarmZilla!

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Rated Excellent on Truspilot

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Need a little more power for a busier home? The Worcester Bosch Greenstar Heatslave II 18/25 delivers a strong 25kW output, making it a great fit for medium-sized homes with more radiators or an extra bathroom. It’s designed to give you hot water on demand while keeping every room at the perfect temperature. Discreet enough to fit under a kitchen worktop, the Heatslave II combines efficiency with convenience, and with Worcester Bosch’s trusted engineering, you’ll enjoy lower running costs and complete peace of mind for years to come.

We offer fast and reliable boiler installations within 48 hours.

We cover every UK postcode.

Trustpilot
kW Output
25 KW
Hot water flow rate
18 l/pm
ERP Rating
A Rated
Energy Efficiency
89.2 %
Dimensions
Height 855mm
Width 520mm
Depth 600mm
Designed to fit beneath a standard kitchen worktop (space saving)
Concealed controls for aesthetic excellence
Designed for modern life
Manufactured in the UK
Quiet - Enjoy the peace,​ quiet in operation
Worcester Bosch boilers rated 4.7 on TP
Wireless Thermostat Included
Installation by a local Gas Safe Engineer (arriving between 8-11am)
Removal of existing system (inclusive of tanks if applicable)
Removal of installation rubbish off site including boiler
Boiler flue installation
Magnetic filter for ongoing protection
System cleanse of your heating system
Inhibitor and System cleaner for protection
Condensate pipework or upgrade (if applicable)
Gas pipe upgrade (if required)
Copper and fittings pack with pipe work installation
Electrical connections including thermostat (if applicable)
CO Alarm included
Delivery of package via courier or your local engineer
12-month WarmZilla workmanship warranty
Registration of warranty and Building Control Certificate by WarmZilla
Warranty includes parts and labour free via the manufacturer
Full protection of property, surfaces, and workspace throughout installation
Handover of your new boiler, including control panel and pressure top-up guide
Removal of redundant pipework and accessories (where necessary)
Removal of any old or unused controls (if applicable)
Sealing of external flue and condensate pipework to the building fabric
Making good of any brickwork around the flue exit
Commissioning of your new boiler for full operation
Balancing of your heating system (if required)
Final tidy-up and removal of all protective coverings
£7,046.00 inc.VAT Fixed Quote