B&Q - Greenstar 4000 25Kw Combi Boiler

Name: B&Q - Greenstar 4000 25Kw Combi Boiler
Brand: Worcester Bosch

Worcester Bosch

The Worcester Greenstar 4000 Combi Boiler delivers high-end design combined with quiet operation up to 45dB(A). The intuitive colour display provides clear system feedback, with optional intelligent filling solutions for enhanced user control. Complete peace of mind is provided through a 10-year heat exchanger guarantee and 7-year product guarantee as standard. The wide modulation range optimises efficiency during periods of low heating demand, delivering cost-effective performance throughout varying operational conditions. Installation flexibility is achieved through extended flue lengths up to 12m with 60/100mm flues, while the integrated 500ml condensate syphon reduces freezing risk. SimpleSwitch compatibility with previous Worcester i Junior and Si models streamlines retrofit installations, supported by a pre-piping jig offering rear piping as standard. Features & Benefits: 10-year heat exchanger guarantee and 7-year product guarantee for comprehensive coverage. Quiet operation up to 45dB(A) for minimal acoustic intrusion. Wide modulation range optimising efficiency during low heating demand. Intuitive colour boiler display with optional intelligent filling solutions. Extended flue lengths up to 12m with 60/100mm flues for flexible siting. Integrated 500ml condensate syphon reducing freezing risk. SimpleSwitch compatibility with Worcester i Junior and Si models for streamlined replacement. Output: 25kW (25,000W).