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Worcester 4000 30kW Combi Boiler inc Horizontal Flue

From £1,355.00

Worcester Bosch Greenstar 4000 30kW Combi Boiler – Powerful, Quiet, and Efficient

The Worcester Bosch 4000 30kW Combi Boiler delivers outstanding heating performance for medium-sized homes. With ultra-quiet operation, A-rated energy efficiency, and compatibility with smart controls, it offers the perfect blend of power and convenience in a sleek, compact design.

SKU: 7733600373 (GR4700iW 30 C NG) Categories: , , , Tags: , Product ID: 1244

Description

The Worcester Bosch Greenstar 4000 30kW Combi Boiler is designed for medium homes needing strong performance, quiet operation, and smart heating control. As a result, it’s one of the most popular choices in the Worcester Bosch range for families and professionals alike.                                          Powerful. Efficient. Whisper-Quiet.

Key Features:

  • 30kW Output – Therefore, ideal for homes with moderate heating and hot water demand.
  • A-Rated Efficiency – Helps lower energy bills and reduce your carbon footprint.
  • Quiet Operation – Among the quietest boilers in its class, ensuring minimal disruption.
  • Compact Design – Fits seamlessly in most kitchen cupboards or utility spaces.
  • Smart Compatible – Supports Bosch EasyControl and other smart thermostats.
  • Simple LCD Controls – Easy-to-use interface makes adjusting settings quick and straightforward.
  • Up to 10-Year Guarantee – Above all, backed by Worcester Bosch for long-term peace of mind.

Technical Specifications:

  • Boiler Type: Combi
  • Output: 30kW
  • Dimensions (mm): 724 x 400 x 300
  • Hot Water Flow Rate: 12.3 litres/min (at 35°C rise)
  • Efficiency Rating: A (ErP Compliant)

Why Choose the Worcester Bosch 4000 30kW?

Whether you’re replacing an outdated system or installing a new one, the Worcester Bosch Greenstar 4000 30kW Combi Boiler offers an excellent balance of power and efficiency. Moreover, its compact form makes it suitable for space-conscious homes, while its smart home compatibility ensures you stay in control—anytime, anywhere.

In conclusion, this boiler is a top-tier choice for homeowners looking to upgrade to modern, efficient, and reliable heating.

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Additional information

Weight 36 kg
Dimensions 40 × 31 × 72.4 cm
Watts

30kw

Boiler Type

Combi

Flue Options

Boiler Only – NO Flue, Worcester Bosch Horizontal Flue Kit 60/100 (7716191082), Worcester Bosch Vertical Flue Kit (7719002430)

Features & Benefits

  • Wide power range helps to reduce gas consumption and lower energy bills
  • Innovative ‘Quick Tap’ water saving function helps you reduce water waste
  • The modern new design comes with an easy to use colour display
  • Operates extremely well in low water pressure areas, ensuring powerful and warm showers
  • One of the quietest combi boilers available, making it easy to live with
  • Features wireless connectivity with the Bosch EasyControl
  • Instantaneous hot water, always available
  • Suitable for small to medium homes

Specifications

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Brand Worcester Bosch
Flow Rate 12.3 L/min @ 35°C11 L/min @ 40°C
For Use With Worcester BOSCH horizontal flue 100850
Fuel Type Natural Gas
Range Greenstar 4000
Warranty 7 years
Weight 34.9 kg
Energy Rating A
Water Heating Energy Efficiency Class A
Output 30 kW
Depth (mm) 310
Efficiency (SAP 2009) 94
Mounting Type Wall
Supplier Product Code 333180 PK
Type Combi boiler
Height 724 mm
Width 400 mm
Model Number GR4700iW 30 C NG