Technical data

55
The clean ‘skin’ design of Worcester Greenstar boilers
is incorporated into the Greenstar Highfl ow CDi range.
The Greenstar Highflow CDi combi boiler series at a glance
Greenstar Highfl ow 440CDi Greenstar Highfl ow 550CDi
Part no.
7 715 330 041 7 715 330 040
Output kW to DHW
Min
7.4kW 9.7kW
Max
29.5kW 41.1kW
Flow rate at 35ºC ∆ T
20l/min* 25l/min*
CH temperature control
99
DHW temperature control
99
Natural gas
99
LPG boiler
99
Electronic ignition
99
2005 SEDBUK value – natural gas
90.8% / A rated 90.8% / A rated
2009 SEDBUK value – natural gas
89.2% / A rated 89.2% / A rated
*Provided adequate mains water pressure and flow is available – see page 18 for further details.