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Worcester Bosch Greenstar 4000 Combi Gas Boiler (White) 25kW – 7733600371

Worcester Bosch Greenstar 4000 Combi Gas Boiler (White) 25kW – 7733600371

SKU:  7733600371 Part Number: 7733600371
Regular price £985.68 Ex. VAT
Sale price £985.68Ex. VAT
Regular price £1,035.68
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Product Description

7733600371 | Worcester Bosch Greenstar 4000 25kW Combi Gas Boiler

A compact, quiet, and efficient combi boiler for small to medium homes—ideal for properties with one bathroom and up to around 10 radiators. Boasts a modern look, intuitive full-color display, QuickTap hot-water-saving mode, and easy installation features. Wireless-ready for Bosch EasyControl smart thermostats.

  • Quiet operation (<45 dB) makes it ideal for indoor or tucked away locations
  • Compact size fits easily into cupboards or utility areas
  • QuickTap feature reduces water wastage and waiting time
  • Built-in UPM4 for enhanced flow performance
  • Wide modulation range (down as low as ~3 kW) boosts efficiency at low load
  • Simple installation with rear pre-piping jig, long flue options, and built-in condensate siphon
  • Smart thermostat-friendly for remote operation and energy savings

Technical Specification

diameter 310 mm
guarantee 7 to 8
height 724 mm
model Greenstar 4000 25kW
pack size 1
range Greenstar 4000
supplier part number 7733600371
type Combination Boiler
width 400 mm
boiler system Condensing Combination
color pattern White
energy efficiency class A
material Metal, Steel, and Plastic
mounting type Wall-Mounted
power source Natural gas