Worcester Greenstar 40CDi Classic Regular - Greenstar Regular Boiler Range Vertical Fluing Options; Option 2 Vertical Balanced Flue System Maximum Height; Option 3 Vertical Balanced Flue System with two 45° bends; Option 4 Vertical Balanced Flue System with two 90° bends

30
Option 2
Vertical balanced flue system maximum height
300mm
500mm
Flat roof
Pitched
roof
300mm
500mm
Pitched
roof
Flat roof
100mm dia. 1,090mm
125mm dia. 1,365mm
L =
Maximum
Components required
length (mm)
Greenstar Ri series
100mm 6,400 1 up to 6
125mm 15,000 1 up to 14
Greenstar 30CDi Classic Regular
100mm 9,400 1 up to 9
125mm 18,500 1 up to 18
Greenstar 40CDi Classic Regular
100mm 7,500 1 up to 7
125mm 16,000 1 up to 15
300mm
500mm
Flat roof
Pitched
roof
300mm
500mm
Pitched
roof
Flat roof
100mm dia. 1,090mm
125mm dia. 1,365mm
L =
300mm
500mm
Flat roof
Pitched
roof
300mm
500mm
Pitched
roof
Flat roof
100mm dia. 1,090mm
125mm dia. 1,365mm
L =
Option 3
Vertical balanced flue system with two 45º bends
300mm
500mm
Flat roof
Pitched
roof
300mm
500mm
Pitched
roof
Flat roof
100mm dia. 1,090mm
125mm dia. 1,365mm
L =
Maximum
Components required
length (mm)
Greenstar Ri series
100mm 4,400 1 up to 4 2
125mm 13,000 1 up to 12 2
Greenstar 30CDi Classic Regular
100mm 7,900 1 up to 7 2
125mm 16,500 1 up to 16 2
Greenstar 40CDi Classic Regular
100mm 6,000 1 up to 5 2
125mm 14,000 1 up to 13 2
300mm
500mm
Flat roof
Pitched
roof
300mm
500mm
Pitched
roof
Flat roof
100mm dia. 1,090mm
125mm dia. 1,365mm
L =
300mm
500mm
Flat roof
Pitched
roof
300mm
500mm
Pitched
roof
Flat roof
100mm dia. 1,090mm
125mm dia. 1,365mm
L =
300mm
500mm
Flat roof
Pitched
roof
300mm
500mm
Pitched
roof
Flat roof
100mm dia. 1,090mm
125mm dia. 1,365mm
L =
Option 4
Vertical balanced flue system with two 90º bends
300mm
500mm
Flat roof
Pitched
roof
300mm
500mm
Pitched
roof
Flat roof
100mm dia. 1,090mm
125mm dia. 1,365mm
L =
Maximum
Components required
length (mm)
Greenstar Ri series
100mm 2,400 1 up to 2 2
125mm 11,000 1 up to 10 2
Greenstar 30CDi Classic Regular
100mm 5,400 1 up to 7 2
125mm 14,500 1 up to 16 2
Greenstar 40CDi Classic Regular
100mm 4,500 1 up to 4 2
125mm 12,000 1 up to 13 2
300mm
500mm
Flat roof
Pitched
roof
300mm
500mm
Pitched
roof
Flat roof
100mm dia. 1,090mm
125mm dia. 1,365mm
L =
300mm
500mm
Flat roof
Pitched
roof
300mm
500mm
Pitched
roof
Flat roof
100mm dia. 1,090mm
125mm dia. 1,365mm
L =
300mm
500mm
Flat roof
Pitched
roof
300mm
500mm
Pitched
roof
Flat roof
100mm dia. 1,090mm
125mm dia. 1,365mm
L =
Note: The short flue extension (100mm dia.) may be used
as an alternative to the standard extension as required up
to the maximum flue lengths stated (7 716 191 133).
Note: The maximum flue length must be reduced by the
following amounts for each bend used.
Greenstar CDi Greenstar CDi
Greenstar Ri Classic Regular Classic Regular
– all size flues 60/100mm flues 80/125mm flues
45º bend 1m 0.75m 1m
90º bend 2m 1.5m 2m