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B3
7.25
”
7.75
”
B1
D
B2
Loosen screw securing motor.
Remove the existing fan and check to make sure the
opening is large enough to accommodate the new motor
housing (7.25” x 7.75”).
Remove the motor/blower from the housing.
Existing Fan
8
Remove packing material.
D
Use the motor housing as a template to mark position.
Cut out an opening for the housing.
41787-01 1/11/2006
Existing Construction Installation