Worcester Bosch Greenstar 4000 25kW Combi Boiler LPG 7733600372

Worcester Bosch supplies this 25 kW LPG condensing combi boiler, which holds an ErP A rating for space heating and hot water generation. Designed for a straightforward switch from previous Worcester i system models, the unit includes a pre-piping jig featuring rear piping as standard. An integrated 500 ml condensate siphon lowers freezing risks, while compatibility with 60 mm/100 mm flues extending up to 12 m provides versatile siting options. The wide modulation range optimises operational efficiency during periods of low heat demand. Sound levels remain low at up to 45 dB (A), and the colour display panel provides long text navigation alongside optional intelligent filling solutions for model 7733600372.