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Installation sequence

General installation information............................................................................ 4

■ Design............................................................................................................... 4

■ Flue gas temperature protection....................................................................... 4

■ Installation information...................................................................................... 4

■ Required tools/equipment................................................................................. 5

■ Fitting the balanced flue slide coupling............................................................. 6

■ Tightness test.................................................................................................... 7

■ Certification of the balanced flue system.......................................................... 7

■ System certification........................................................................................... 8

Installations requirements.................................................................................... 9

■ Statutory requirements...................................................................................... 9

■ Gas safety (installation and use) regulations (current issue)............................ 9

■ Boiler position................................................................................................... 10

Routing through a shaft........................................................................................ 15

■ Installation information...................................................................................... 15

■ Rigid flue........................................................................................................... 16

■ Flexible flue....................................................................................................... 26

Installation in a disused chimney.......................................................................... 36

■ Installation requirements................................................................................... 36

■ Installation......................................................................................................... 38

Vertical outlet for pitched or flat roofs................................................................... 41

■ Maximum flue length......................................................................................... 42

■ Installation......................................................................................................... 44

External wall connection....................................................................................... 47

■ Installation......................................................................................................... 49

Routing over an external wall............................................................................... 51

■ Maximum flue length......................................................................................... 52

■ Installation......................................................................................................... 52

Plume kit............................................................................................................... 54

■ Routing options................................................................................................. 54

Index

5780 223 GB

Viessmann WB1A007 Installation Instructions

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