Worcester Bosch Greenstar 4000 Combi Boiler

100% planet friendly packaging|Front access to all key components|Longer flue lengths up to 12m (60/100)|Intuitive full-colour long-text display|500ml condensate siphon|Quiet operation at 45dB(A)|Compatible with our Greenstar Intelligent Filling System|Modulates down to 3kW central heating output (1:10)|Increased DHW efficiency whilst reducing waste water|Full flow rates from 1 bar mains pressure