The Worcester Bosch Greenstar 4000 Natural Gas Combi Boiler (30kW) makes home heating easy with its super quiet operation and enhanced efficiency. Building on the renowned Greenstar i, this model boasts a transformed appearance paired with superior performance features, making it ideal for modern homes.

Designed for effortless installation and maintenance, it includes a pre-piping jig and rear piping as standard, simplifying the process for installers. The innovative design features an intuitive full-text colour display and compatibility with RF controls, offering improved ease of use. With a wide modulation range and advanced gas consumption technology, this combi boiler delivers top-tier performance, whilst also allowing for simple switching from older models. To ensure your peace of mind, it comes with a standard 7-year guarantee, extendable up to 10 years with the purchase of a Greenstar System Filter and a small additional fee. Enjoy efficient, reliable heating with flexible installation options and exceptional serviceability.

• Output: 30kW
• Pre-piping jig included for flexible installation
• Quiet operation ideal for noise-sensitive areas
• Intuitive full-text colour display for easy control
• RF control compatible to enhance user convenience
• Offers up to 10-year guarantee with system filter
• Front access for effortless servicing and maintenance
• Reduced gas consumption with wide modulation range

When installed by a Worcester Bosch Accredited Installer with a Greenstar System Filter. The Greenstar 1000 and Greenstar 2000 guarantee is available as standard to both loyalty scheme members and non-WAI's, when fitted with any brand of system filter. Terms and conditions apply.