EFCO 403 Series Roto Vent for Storefront - Manual (Page 13)

]
INTERIOR SIDE
#3 and #4 for the correct dimensions per system.
to the different heights of the glass stops. Refer to the illustration below and pages
The height of the roto-vent is different between 401 and 402/403. This is due
The overall length of the roto-vent assembly equals daylite opening, in all systems.
PAGE 12
DAYLITE
OPENING
EXTERIOR SIDE
[401 STSTEM]
8" INCLUDING
GLASS STOPS
LENGTH =
8.438"
GLASS
STOPS
SYSTEMS
402/403
INCLUDING
DAYLITE
OPENING
VENT
LENGTH = MINUS .188" (3/16")
SECTION VI -
SIZING FORMULAS