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43043-01 01/24/2008
11
C12
D
E
EXISTING FAN
C11
NO EXISTING FAN
8”
8.5”
5/8
1/2
5/8
1/2
C13
C14
Existing Construction – accessible from above
OR
Remove an existing fan and check to make sure the
opening is large enough to accommodate the new
motor housing (8”x 8.5”).
Cut out an opening for the housing.
Use the motor housing as a template to mark position.
Slide the mounting rails into brackets.
Position the correct depth mark at the bottom edge of
the joist based on the thickness of your sheetrock.
Mark position of screws by using holes as a template.