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)