GF 7045.240 Notice D'utilisation Et D'entretien page 50

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Installation method 2, 3 and 4
Insert the connection housing with extension (1) and cap
screwed on (10) through the hole. Slip the installation and
fixation bracket (12) over the threaded tube and secure to
the outside of the wall.
Installation method 5
Slip box bracket (11) or support ring (13) over the connection
and secure it to the flange. Insert the connection housing with
extension (1) and cap screwed on (10) through the hole.
Secure installation and fixation bracket (12) to the outer plate.
Conduct pressure test and seal check with cap
screwed on.