3
CONTENTS: PART 2 CONCENTRIC 80/125
Planning the air/flue duct layout
Termination accessories available 29
Maximum flue lengths Ø 80/125 32
Flue restrictor rings 33
35
Preparation 37
Side flue installations 37
Fitting the appliance flue outlet
adapter to the boiler
Fitting air/flue duct extensions
Page
45
Fitting air/flue duct extensions
between two 90° elbows
46
Fitting air/flue duct extensions
between two 45° elbows
47
Installing the air/flue duct sliding
sleeve
48
Installation of the vertical
roof duct
Installation of the horizontal
air/flue with extensions
Preparation 39
Fitting extensions 40
Connect the flue assembly to the adaptor 40
Installation of the horizontal
air/flue duct and terminal
accessory (80/125)
Preparation 41
Pitched roof 42
Flat roof 42
Pitched and flat roof installation 42
Connect the flue assembly to the adaptor 44