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GROWSPAN
ESTATE ELITE ATTACHED GREENHOUSES
™
ROOF VENT ASSEMBLY AND INSTALLATION
Vent frame parts are packaged in separate poly bags.
Consult the table below for box numbers for your
greenhouse:
Greenhouse Sku Number
104711 – 104713 – 104715
NOTE: All photos show the vent frame assembled with
the inside surface facing up. When installed on the
greenhouse, the frame surface shown in the photos is seen
from inside the greenhouse. Vent frames are either single
bay or double bay (shown) and are assembled the same.
Complete the steps that follow:
1. Locate and open one (1) vent frame package. Open
one package only to avoid mixing parts.
2. Arrange the parts as shown. See the Vent Frame
diagram for part identification and complete the
assembly.
Double-Bay Vent
ATTENTION: Greenhouse 104711 includes a single-
bay vent. Consult that diagram in the Quick Start
section for additional details.
3. Using the small Phillips head bolts and nuts, attach the
bottom rail to the side rails. Do not tighten these at this
time.
4. Next, attach the top hinge rail to the side rails using the
Phillips head bolts.
5. Using a carpenter's square (or other means), verify that
the assembled vent frame is square and tighten the
bolts.
20
Vent frames in box:
No. 4-2
6. Remove the bolt from the pre-assembled vent support
arm (74) and attach the mounting bracket to the frame
(72) and reattach the 74 support arm.
Channel is visible
when arm is
installed correctly.
NOTE: Attach the mounting bracket to the frame using
a small bolt and a self-locking nut. The bracket and arm
must be allowed to swivel on the frame rail. When the
arm is properly installed, the channel of the support
arm will be visible from inside the greenhouse when the
arm is properly installed.
7. Repeat the above steps for the remaining support arm.
8. Once the vent frame is assembled, locate the two (2)
cross members for the vent frame. The single-bay vent
frame has only one (1) cross member (75).
75
Photo shows the notched edge of the 75 cross
member, which is installed toward the ridge beam (or
peak) of the greenhouse roof. The selected hole in the
channel of the 74 support arm is placed over the center
pin of the notch to hold the vent open.
Revision date: 01.01.16
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