Dimensions Guide

SPECIFICATION SHEET
REFERENCE QTY. REMARKS Project
Location
Architect
Engineer
Contractor
Submitted by Date
TRANSITIONS
AND
DAMPERS
20G 99041123K
Model 423
4½" x 18½" to 10" round
- vertical discharge
26 GA galvanized steel
construction
For use with Model 422
rough-in kit and Model
323 barbeque blower
system or 332K with
331/332 Remote Blower
or Model 326 Interior
Blower
Broan-NuTone LLC, 926 West State Street, Hartford, WI 53027 (1-800-637-1453)
NuTone, Inc., 4820 Red Bank Road, Cincinnati, OH 45227 (1-800-543-8687)
Broan-NuTone Canada, Inc., 1140 Tristar Drive, Mississauga, Ontario, L5T 1H9 (1-888-882-7626)
Model 453
4½" x 18½" to 10"
round horizontal,
left discharge
26 GA galvanized
steel construction
For use with
Model 422 rough-
in kit and Model
323 barbeque
blower system
and 332K with
331/332 Remote
Blower and
Model 326
Interior Blower
Model 454
Same as Model
453 except -
horizontal right
discharge
Model 411
3¼" x 10" to 6" round
Model 412H
3¼" x 10" to 7" round
Model 413
3¼" x 10" to 8" round
All models above -
30 GA galvanized steel
construction
TRANSITIONS
Model 424
4½" x 18½" to 10" round
horizontal, rear
discharge
26 GA galvanized steel
construction
For use with Model 422
rough-in kit and Model
323 barbeque blower
system and 332K with
331/332 Remote Blower
and Model 326 Interior
Blower
Model 459
3¼" x 14" to 8" round -
vertical discharge
30 GA galvanized steel
construction
For use with Downdraft
Exterior Blower Systems.

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