Technical data

ManualsBrandsWorcester ManualsBoiler550CDi

2727

Option 1: Extension rear flue horizontal flue assembly

Components

Part No. 100mm

7 716 191 155 7 716 191 083

Part No. 125mm

7 716 191 157 7 719 003 666

Maximum lengths (mm) & no. of components required

Greenstar Highﬂ ow CDi series

100mm 4,000 1 up to 4

125mm 13,000 1 up to 12

Option 2: Extension rear flue horizontal using a 90º bend

Components

Part No. 100mm

7 716 191 155 7 716 191 083 7 716 191 084

Part No. 125mm

7 716 191 157 7 719 003 666 7 719 003 664

Maximum lengths (mm) & no. of components required

Greenstar Highﬂ ow CDi series

100mm 2,500 1 up to 2 1

125mm 11,000 1 up to 10 1

Option 3: Extension rear flue horizontal using 45º bends

Components

Part No. 100mm

7 716 191 155 7 716 191 083 7 716 191 085

Part No. 125mm

7 716 191 157 7 719 003 666 7 719 003 665

Maximum lengths (mm) & no. of components required

Greenstar Highﬂ ow CDi series

100mm 2,500 1 up to 2 2

125mm 11,000 1 up to 10 2

Option 4: Extension rear flue horizontal

using a second 90º bend

Components

Part No. 100mm

7 716 191 155 7 716 191 083 7 716 191 084

Part No. 125mm

7 716 191 157 7 719 003 666 7 719 003 664

Maximum lengths (mm) & no. of components required

Greenstar Highﬂ ow CDi series

100mm 1,000 1 up to 2 2

125mm 9,000 1 up to 8 2

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 (Part No. 7 716 191 133).

45º bend 90º bend

Greenstar Highﬂ ow CDi

60/100mm ﬂ ues

750mm 1,500mm

Greenstar Highﬂ ow CDi

80/125mm ﬂ ues

750mm 1,500mm

Note: The maximum ﬂ ue length must be reduced by the

following amounts for each bend used.