Worcester Bosch Greenstar 4000 Combi Boiler White 30 KW

Worcester Bosch Greenstar 4000 30kW Combi Boiler – Smart, Quiet & Efficient Heating

The Worcester Bosch Greenstar 4000 30kW Combi Boiler is a powerful, ultra-quiet, and energy-efficient heating solution ideal for small to medium-sized homes. With its sleek white design, Quick Tap water-saving feature, and intuitive digital controls, this ErP A-rated boiler combines modern style with smart functionality. Built to perform even in low-pressure areas, it delivers reliable heating and hot water on demand all while being compatible with Bosch EasyControl for effortless remote access and improved energy savings.

Benefits of the Worcester Bosch Greenstar 4000 30kW Combi Boiler – White

• Energy-Efficient Heating: This ErP A-rated combi boiler helps reduce energy use and lower your gas bills, making it a smart choice for energy-conscious homeowners.

• 30kW Output for Reliable Comfort: Ideal for small to medium-sized homes, this combi boiler delivers powerful heating and hot water on demand.

• Quick Tap Water-Saving Function: Innovative Quick Tap feature allows you to activate hot water without unnecessary waste saving both water and money.

• Perfect for Low Water Pressure Areas: Designed to perform efficiently even in homes with low mains pressure, ensuring strong, warm showers at all times.

• Intuitive, Colour Display Panel: The modern, easy-to-read interface makes it simple to adjust your settings and monitor system performance.

• Smart Heating Compatibility: Fully compatible with Bosch EasyControl, allowing you to control your heating from your smartphone and improve overall energy efficiency.

• Exceptionally Quiet Operation: One of the quietest combi boilers on the market, making it ideal for open-plan living or utility spaces near bedrooms.

• Modern, Space-Saving Design: The sleek white finish and compact size make it a stylish addition to any kitchen or utility room perfect for modern homes.

• Instantaneous Hot Water: Enjoy hot water whenever you need it, with no need for a separate cylinder ideal for space-saving and convenience.

• Easy to Install and Maintain: Engineered for quick and simple installation, helping to reduce labour time and future service costs.
  
  
  

  Key Features

  • 30kW Output – Delivers powerful heating and hot water, suitable for 2–3 bedroom homes with one bathroom.

  • Ultra-Quiet Performance – One of the quietest boilers in its class—perfect for open-plan living or homes with limited space.

  • Quick Tap Water-Saving Function – Reduces water waste by pre-activating hot water flow with a single tap.

  • Bosch EasyControl Compatible – Connect to your smartphone for full remote control and enhanced energy savings.

  • Ideal for Low-Pressure Areas – Maintains strong performance even where mains water pressure is low.

  • Modern Digital Display – Full-colour screen with intuitive controls for quick and easy adjustments.

  • ErP A-Rated Energy Efficiency – Designed to lower gas usage and reduce your energy bills.

  • Sleek, Compact Design – Modern white finish and small footprint—great for kitchen cupboards and utility rooms.

  • 7-Year Warranty – Peace of mind backed by Worcester Bosch’s manufacturer guarantee.
    
    
    

  Key Specifications

  • Brand: Worcester Bosch

  • Model: Greenstar 4000

  • Manufacturer Part No: 7733600373

  • Fuel Type: Natural Gas

  • Boiler Type: Combi Boiler

  • Energy Rating: ErP A-rated

  • Heat Output: 30 kW / 81,892 BTU/h

  • Mounting Type: Wall-mounted

  • Guarantee: 7 years (when registered)

  • Waist Size (Internal Ref): aa12cb11fw

  Dimensions:

  • Height: 724mm

  • Width: 400mm

  • Depth: 310mm

  Flue Compatibility:

  • Max Vertical Flue (125mm): 21m
    
    
    
    

    What’s in the Box

    •  Worcester Bosch Greenstar 4000 30kW Combi Boiler Unit

    • Flue kit not included – sold separately

    •  Installation manual

    •  User guide

    •  Warranty registration details