Balanced Flue Installation (Extension Kit 430-660mm)
WALL SLEEVE
SEE FIG. 27
❏
Locate and secure wall sleeve to the flue mounting
plate, (1) gasket, (8) screws.
SEE FIG. 28
❏
Mark and cut wall sleeve extension to length.
A
(Wall thickness) +
B
(internal spacing) - 455mm
FIG. 27
DESN 511271
FIG. 28
DESN 511284
23
CUT TO LENGTH
NOTE: EXCLUDE JOINTING
PIECE FROM MEASUREMENT
A + B - 455mm