Technical data

ManualsBrandsWorcester ManualsBoiler550CDi

Option 5: Extension flue upwards and horizontal

Components

Part No. 100mm

7 716 191 155 7 716 191 083 7 716 191 084 7 716 191 164

Part No. 125mm

7 716 191 157 7 719 003 666 7 719 003 664 7 716 191 165

Maximum lengths (mm) & no. of components required

Greenstar Highﬂ ow CDi series

100mm 2,500 1 up to 2 1 1

125mm 11,000 1 up to 10 1 1

Option 6: Extension flue upwards and horizontal

using a second 90º bend

Components

Part No. 100mm

7 716 191 155 7 716 191 083 7 716 191 084 7 716 191 164

Part No. 125mm

7 716 191 157 7 719 003 666 7 719 003 664 7 716 191 165

Maximum lengths (mm) & no. of components required

Greenstar Highﬂ ow CDi series

100mm 1,000 1 up to 2 2 1

125mm 9,000 1 up to 8 2 1

Min.

120mm

Option 7: Extension flue upwards and horizontal

using a third 90º bend

Components

Part No. 100mm

7 716 191 155 7 716 191 083 7 716 191 084 7 716 191 164

Part No. 125mm

7 716 191 157 7 719 003 666 7 719 003 664 7 716 191 165

Maximum lengths (mm) & no. of components required

Greenstar Highﬂ ow CDi series

100mm N/A N/A N/A N/A N/A

125mm 7,000 1 up to 6 3 1

Min.

120mm

Option 8: Side flue extension using two 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

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).

For high level horizontal flue discharges (options 5,

6 and 7) the flue adaptor (part number 8 718 682 324 0)

may be required.

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.

Min.

120mm