American Dryer Corp. GWH 425 EF - Manual (Page 4)

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MINIMUM INSTALLATION CLEARANCES FROM COMBUSTIBLE AND NON
COMBUSTIBLE MATERIALS FOR ALCOVE OR CLOSET INSTALLATIONS
FRONT VIEW SIDE VIEW
MODEL 425 EF
* On a combustible wall surface the unit should be mounted away
from the wall to provide adequate clearance of the vent pipe.
See page 5 for instructions.
TOP (A) 12 "
FRONT (B) 4 "
BACK 0 " *
SIDES 4 "
FLOOR (C) 12 "
VENT DIAMETER 4 "
MODEL 425 EF