20 Air/flue pipe installation manual 0020308120_02
2. Secure the extensions to the wall using the pipe
clamps.
– Use one pipe clamp for each extension directly
beside the sleeve.
– Upstream of each elbow, install another pipe clamp
on the extension.
3. Drill the fastening holes away from the centre.
5.6.4.4 Installing the end pipe
1. Install the second 87° elbow into the last extension
(step A).
2. To secure the end pipe, place a 50 mm extension
piece over the end pipe (step B).
3. Insert the end pipe securely into the 87° elbow (step
C).