Worcester Greenstar 25i ERP Combi Boiler- 25kW 7733600012

SKU: 3069

Estimated Delivery:

5 to 8 Working Days ✝FREE
Orders placed before 1pm are processed the same day, delivery times are between 8am & 6pm Monday to Friday, all deliveries require a signature, for delivery instructions please use the notes section during checkout.
Please see below for Items you will also require for this product.

Availability: In stock

Regular Price: £2,148.93

£1,043.02 (inc VAT)

Magnetic Filter at Tradeplumbing that has been specifically developed to remove all iron oxide contamination from your central heating system in one pass. Professional Filter is a proven, high efficiency, full-flow magnetic filter designed to tackle all central heating systems removing virtually 100% of the suspended black iron oxide.

✝ Subject to stock availability. UK Mainland only. Delivery fees and times to Northern Ireland, Scottish Highlands & Isles, Isle of Man, Isle of Wight, Isles of Scilly, and the Channel Isles may vary. Deliveries are made during working days only.

Product Description


Worcester Bosch Logo


2 year guaranteeNote: For your first boiler purchase with Trade Plumbing, the item must be sent to the registered billing address. If you need the boiler to be sent to a different address please enquire on 0844 504 4499.

You can control both the hot water and central heating from a Greenstar combi, which offers the widest choice of operating features, providing the ultimate in user convenience, performance and economy. Greenstar boilers are unique in that they condense in both heating and hot water modes, resulting in greater efficiency and fuel savings. 


  • Simple boiler controls with clear information display
  • Zero risk of condensate pipe freezing in severe weather
  • Wide choice of controls enables greater comfort and economy
  • Low energy pump reduces electrical usage
  • Instantaneous hot water, always available



  • Height: 710 mm
  • Width: 400 mm
  • Projection: 330 mm
  • Sedbuk Rating: A
  • Heat Output: 25kW
  • Gurantee: 2 years


At Worcester our dedication to quality and continuous improvement extends far beyond our products and services. As part of the Bosch Group, Worcester is committed to supporting the local and wider community in the UK along with acting responsibly towards the environment.

Our current product range includes gas and oil boilers, hot water cylinders, renewable technologies such as heat pumps and solar water heating systems, as well as controls and accessories. Our commitment to the highest standards of manufacturing over the last 50 years, has led Worcester to receive a Royal Warrant for supplying our boilers to Her Majesty The Queen’s Sandringham Estate. Our UK headquarters is based in Worcester where all the main functions of the business are located including the manufacturing of gas boilers.

Technical Information

Additional Information

SKU 3069
Manufacturer ID 7733600012
Guarantee Length 2 Years
Height 710 mm
Width 400mm
Weight 31.7 kg
Side Clearance 5mm
Upper Clearance 30mm
Lower Clearance 200mm
Projection 330 mm
Heat Output Watts 25kW
Sedbuk Efficiency 89.60%
Sedbuk Rating A
LPG Compatable Yes


Here at TradePlumbing.co.uk we have voluntarily extended our returns period to 90 days, as we understand that sometimes there may be the odd item left over from a project or you may have an unexpected delay to a project meaning that you need the added peace of mind when ordering products in case a return is necessary.

We truly believe in being able to offer customers a flexible service and this extended period allows us to go that little extra to help you when in need, as long as goods are returned in the same condition as received we are happy to help.

To return any time initially please email your request to our Customer Support team at customerservice@tradeplumbing.co.uk along with your TP - Order Reference, please allow at least 1 working day for response and we will take it from there.

To View our complete Return Policy Click on Return and Refunds