TRUFIG HVAC GRG 12 Inch Linear Diffuser Installation Guide
- June 9, 2024
- TRUFIG
Table of Contents
**TRUFIG HVAC GRG 12 Inch Linear Diffuser
**
FRAMING AND PREPARATION
Rough Opening Framing
GRG diffusers are created for installation in both ceilings and walls. It is
required that the contractor create a rough opening in which to install the
diffuser. Use the below chart to find the appropriate rough opening dimensions
for each diffuser.
ROUGH OPENING DIMENSIONS
DIM| 7” x
4”
| 12” x 2”| 24” x
1.625”
| 36” x
1.625”
| 48” x
1.625”
---|---|---|---|---|---
WIDTH| 14”| 14.5”| 28.75”| 40.75”| 52.75”
HEIGHT| 14”| 6.5”| 10.5”| 10.5”| 10.5”
Plenum Box Construction and Attachment
GRG diffusers are created to work with a plenum box. Plenum boxes are the inlet and outlet boxes that serve as a transition between the TRUFIG GRG diffuser and the rest of the HVAC duct work. Below are the recommended dimensions for a plenum box to attach to the TRUFIG diffuser.
PLENUM BOX DIMENSIONS
DIM| 7” x 4”| 12” x 2”| 24” x
1.625”
| 36” x
1.625”
| 48” x
1.625”
---|---|---|---|---|---
A| >11.5” (292mm)| 6.5” (165mm)| 10.5” (267mm)| 10.5” (267mm)| 10.5”
(267mm)
B| 9.25” (235mm)| 5.25” (133mm)| 5.5” (140mm)| 5.5” (140mm)| 5.5”
(140mm)
C| 14” (356mm)| 14.5” (368mm)| 28.75” (730mm)| 40.75” (1035mm)| 52.75”
(1035mm)
D| 12.75” (324mm)| 12.5” (317mm)| 24.875” (632mm)| 36.875” (937mm)|
48.875” (937mm)
E| >3.25”
(83mm)
| >3.25”
(89mm)
| >3.5”
(89mm)
| >3.5”
(89mm)
| >3.5”
(89mm)
Scan QR code for additional information and resources.
For technical support call 949-492-7777
or visit www.trufig.com/products/linear-
diffuser
Customer Service
©2021 Sonance. All rights reserved. TRUFIG is a registered trademarks of Dana Innovations. Due to continuous product improvement, all features and specifications are subject to change without notice. For the latest TRUFIG product specification information visit our website: www.trufig.com
SONANCE •
991 Calle Amanecer •
San Clemente, CA 92673 USA
PHONE: 949-492-7777 •
FAX: 949-361-5151 •
Technical Support: 949-492-7777 •
www.sonance.com
12.10.2021
References
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>