Spec Sheet
SPECIFICATION SHEET
REFERENCE QTY. REMARKS Project
Location
Architect
Engineer
Contractor
Submitted by Date
TRANSITIONS, DAMPERS, &
ADAPTORS
91L 99041123AB
Model 423 Transition
•
4½" x 18½" to 10" round
- vertical discharge
•
26 GA galvanized steel
construction
Model 453
Transition
•
4½" x 18½" to 10"
round horizontal,
left discharge
•
26 GA galvanized
steel construction
Model 411 Transition
•
3¼" x 10" to 6" round
Model 412H Transition
•
3¼" x 10" to 7" round
Model 413 Transition
•
3¼" x 10" to 8" round
All models above -
30 GA galvanized steel
construction
Model 424 Transition
•
4½" x 18½" to 10" round
horizontal, rear discharge
•
26 GA galvanized steel
construction
Model 414 Transition
•
10" round to 8" round
•
24 GA galvanized steel
Model 427 Transition
•
4½" x 18½" to 10" round
horizontal discharge
•
26 GA galvanized steel
construction
Model T487 Transition
•
8" round to 7" round
•
24 GA galvanized steel
Model 454
Transition
•
Same as Model 453 except -
horizontal right discharge
Model T486 Transition
•
8" round to 6" round
•
30 GA galvanized steel
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