Worcester Bosch Greenstar 4000 25kW Combi Boiler Tech/Energy Bundle – IFC

Worcester Bosch Greenstar 4000 25kW Combi Boiler Tech/Energy Bundle – IFC

SKU: 120-1201-16



Starting from £2,835.00
The Worcester Bosch Greenstar 4000 25kW Combi Gas Boiler is great for heating medium-sized homes that have one bathroom and separate showers. With smart capabilities, the heating can be changed from a smartphone or other smart device.

About the tech/energy bundle

Worcester Bosch 4000 (25kW) Tech Bundle (WB400025HZF10TECH)

Our bundle includes the Worcester Bosch 4000 (25kW), Nest Learning Thermostat and Nest Mini Smart Speaker and a Maganacleanse. 

We combined the powerful and energy-efficient Worcester Bosch 4000 (25kW) with the innovative Nest Learning Thermostat and Nest Mini Smart Speaker to create the perfect home heating experience for you. We’ve also included a Magancleanse so you get a deep clean of your central heating system. All in all, your are saving good money on your future heating bills. 

You can use the Nest Mini Speaker to control your home heating with your voice and combine it with the cool features of the Google Nest Smart Thermostat to create your unique heating routine.

So pick WarmZilla’s value bundle today and save up to £300 on your package!


About the boiler

Perfect for medium-sized homes with one bathroom and a seperate shower, the Greenstar 4000 is a very popular Worcester Bosch boiler. It is a full modernised boiler from the design to the easy-to-use full-colour text display, it is also very quiet too. Designed to run on a 20% hydrogen blend for a longer lifespan and energy efficiency.

Smart capabilities will allow you to adjust the heating in the palm of your hand with a smartphone or smart device.

kW Output
25 KW
Hot water flow rate
12.3 l/pm
ERP Rating
A Rated
Energy Efficiency
94 %
Height 710mm
Width 440mm
Depth 310mm
10 year guarantee
GasSafe installation
FREE System Filter
Manufactured in the UK
FREE Google Nest and Nest Mini
High performance, control and efficiency
Precision heating to reduce your fuel bills
Perfect for small to medium sized homes with one bathroom
Bosch engineered quality at an affordable price
Worcester Bosch boilers rated 4.7 on Trustpilot
Google Nest 3rd-gen Wireless Learning Thermostat FREE - IFC
Google Nest 2nd Gen Mini Smart Wi-Fi Speaker FREE - IFC
Adey MagnaCleanse - FREE - IFC
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)
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
CP12 can be requested at an additional cost