INSTALLATION

20 FLUE EXTENSION DUCTS - For total flue lengths greater than 595mm

Pack D Flue extension duct kit contents.

Extension duct & clamp

Flue support cutting aid

(shown folded up)

1.0m (39") long

 

Wall plugs - 4 off

nm8732

Flue duct support

No. 10 x2" wood screw - 4 off

 

 

21 FLUE EXTENSION DUCTS - continued

Use a maximum of 6m extended flue ONLY

General arrangement

1.A maximum of 6 extension ducts (one suitably cut) plus the standard flue duct may be used together.

2.Flue extensions of greater length than 1m (39") should be supported with the bracket provided, suitably adjusted. Refer to Frame 20 & 26.

Flue length

Extension flue

 

Standard flue

Boiler

Terminal grille

 

Note. Side flue shown

nm8733

20 FITTING THE KIT

Because of the flexibility of the telescopic flue terminal it is not

6.

if the remainder Y is less than 300mm, shorten the

always necessary to cut an extension pack.

 

previous ‘D’ pack to 400mm and adjust the telescopic

1.

Measure the total flue length from the centre of the boiler

 

terminal.

7.

Measure and mark the length on the flue, to ensure a

 

outlet to the outside wall.

2.

Subtract 70mm from this dimension.

 

square cut mark the flue all the way around and cut to

 

length.

 

 

 

3.Subtract 950mm for each ‘D’ pack to be used.

4. If the remainder Y is 300mm -

 

 

 

L

 

 

 

 

 

525mm this can be taken up

70

 

950

 

Y

by the adjustment in the

 

 

 

525

telescopic flue.

 

 

 

 

 

 

 

 

300

5.If the remainder Y is 525mm -

950mm it will be necessary to cut a ‘D’ pack to 400mm.

esp8940

FLUE OUTLET

icos - Installation & Servicing

19

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IDEAL INDUSTRIES HE15 Flue Extension Ducts, Fitting the KIT, Pack D Flue extension duct kit contents, General arrangement

HE12, HE15, HE18, HE24 specifications

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