Broan CUSTOM HOOD BLOWER SYSTEM

CUSTOM HOOD BLOWER SYSTEM

Model 634

Roof Cap Straight ductwork

sections

(NOT SHOWN).

2 ft. lengths most common.

Models 411, 412H, 413 3¼” x 10" to 6”, 7”, 8” Round Transition

Models 331H & 332H Exterior Blowers

Model 454 4½ x 18½ to 10” Rd. Right Transition

13

Model 437

High-Capacity

Roof Cap

Model 421

10" Round

Damper

Model 418

10” Round

900 Elbow

1 4

9

	Model 423
Model 428	4½ x 18½ to 10”
3¼” x 10"	Rd. Vertical
900 Elbow	Transition

Model 424 4½ x 18½ to 10” Rd. Front/Rear Transition

1
10	2

Model 420 3¼” x 10” Rough-in Plate

23 2

1

Included with Model 329H 4½” x 18½” Rough-in

Plate

1
10	2	23
			1
		2
Model 422
4½” x 18½”
Rough-in
Plate

(320	&	329)
(323)

Model 320 Interior Blower (420 cfm)

Model 323 Interior Blower (1170 cfm)

Model 329H Interior Control Pack

(for use with Models 331H &

332H)