Worcester Greenstar 25Si Compact ERP Gas Combi Boiler 7733600050
Worcester Greenstar 25Si Compact ERP Gas Combi Boiler 7733600050 In Situ

Worcester Greenstar 25Si Compact ERP Gas Combi Boiler 7733600050

Item code
Lead time
2-3 working days
Delivery cost


Show VAT?

£999.97 Excl VAT £1,199.96 Inc VAT

Product details

Worcester is the UK market leader of domestic boilers. They have a vast product range which includes gas and oil boilers, hot water cylinders, renewable technologies such heat pumps and solar water systems as well as controls and accessories.

Worcester is recognised for its high quality and reliable products which has led them to be consistently recommended by Which?

Worcester Bosch are the UK market leader in domestic boilers and Direct Heating Supplies offer a range of Worcester Bosch boilers online.

With a central heating output of 24kW, the 25Si Compact is an ideal hot water and central heating solution and is able to service smaller properties with up to 3 bedrooms and a single bathroom - typically a flat, bungalow or small house.

The biggest innovation surrounding the new Si Compact range is the size of the boilers themselves. With dimensions 690mm (h) x 390mm (w) x 280mm (d), the 25Si Compact is the smallest combi boiler to have ever been produced by Worcester Bosch. It’s so small that it can be installed within most kitchen cupboard spaces, making it fit seamlessly into your home and easy to keep our of sight.

Product Features:

  • A-rated efficiency
  • Compact dimensions
  • Jig & 7 pre-plumb connections make it possible to pre-plumb without the boiler being mounted on the wall, allowing quick installation
  • Built in LCD display for current operation status & fault diagnosis
  • Lightweight (32.9kg)
  • EMS-BUS compatibility for use with Worcester Intelligent Controls series
  • 10 year warranty on primary heat exchange, 5-year anti-scale warranty on domestic hot water heat exchanger (subject to terms and conditions).
  • 5 Year warranty on Greenstar Gas Boiler as standard (terms and conditions apply)

Does not include filling link

This Combi Boiler will need a flue, as one is not supplied as standard. Purchase all you need for your boiler in one of the Direct Heating Supplies Worcester boiler packs.

Direct Heating Supplies is one of the UK's leading retailers for heating and plumbing supplies online. Order your Worcester Greenstar 25Si Compact ERP Gas Combi Boiler 7733600050 from Direct Heating Supplies for great prices and an efficient and reliable service.


Show VAT?

£999.97 Excl VAT £1,199.96 Inc VAT



  • Lead Time
    2-3 working days
  • Boiler Type
  • Depth
  • DHW Flowrate Range
    < 12
  • DHW Flow Rate
  • Flue
  • Fuel Type
    Natural Gas
  • GTIN
  • Heating Output Range
    24 - 29
  • Height (mm)
  • KW Output
  • Manufacturer Part No:
  • Output BTU/H
  • Programmer
  • Warranty
    5 Years
  • Width (mm)