471321 • FGI FGR Gravity Ventilator, Rev. 7, February 2024 Copyright 2024 © Greenheck Fan Corporation12
As a result of our commitment to continuous improvement, Greenheck reserves the right to change specifications
without notice.
Product warranties can be found online at Greenheck.com, either on the specific product page or in the literature
section of the website at Greenheck.com/Resources/Library/Literature.
®
Phone: 715.359.6171 • Fax: 715.355.2399 • Parts: 800.355.5354 • E-mail: gfcinfo@greenheck.com • Website: www.greenheck.com
Our Commitment
Typical Installation
CURB INSTALLATION HOLES
(REFERENCE NOTES)
HOOD INSTALLATION HOLES
(REFERENCE NOTES)
HOOD INSTALLTION NOTES:
HOOD INSTALLATION HOLES MAY ONLY BE PRESENT AT BASE CORNERS FROM FACTORY.
INSTALLATION FASTENERS MAY VARY DUE TO PROJECT LOCATION, LOCAL STRUCTURAL
CODES, OR ENVIRONMENTAL CONDITIONS (I.E. HIGH WIND).
CONSULT PROJECT/SITE ENGINEER ON INSTALLATION HARDWARE INFORMATION
INCLUDING QUANTITIES, MAXIMUM SPACING, AND HARDWARE TYPE.
CURB INSTALLATION NOTES:
CURB ANCHOR HOLES PROVIDED BY MANUFACTURER, HOWEVER ADDITIONAL ANCHORS
MAY BE REQUIRED DEPENDING ON SITE LOCATION AND LOCAL CODES.
CONSULT PROJECT/SITE ENGINEER FOR PROJECT-SPECIFIC ANCHOR CALCULATIONS.
FOR HIGH-WIND RATED HOOD, FOLLOW HIGH-WIND INSTRUCTIONS STARTING ON PAGE 6.
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