2. Unbranded
  3. Concentric Curb Transition 555635/555636

Unbranded Concentric Curb Transition 555635/555636 Installation guide

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INSTALLATION
INSTRUCTIONS
SUPERSEDES 10-25-04
SEPTEMBER 2, 2008
NEITRN10
Step 1:
Check for correct part number listed above.
Step 2:
Remove condensor panel from roof curb.
Step 3:
Install transition in supply/return opening in roof curb.
Step 4:
Place ¾" x 1 ¼" gasket (included with the curb only) as instructed in roof curb installation sheet.
The Concentric Curb Transition is designed to drop into the curb and convert the rectangular duct unit connections to duct
sizes shown in table. For application of Flush Mount or Step Down Concentric Diffusers with 555617, 555618, 555619, &
555620 roof curb assembly.
INSTALLATION INSTRUCTIONS FOR
555635 / 555636
CONCENTRIC CURB TRANSITION USED
WITH GR4GM 150/180 UNITS
FORM# 657B-0808 ( 657B-0604)
MODEL# DUCT SIZE
555635 18 x 32 RECTANGLE
555636 18 x 36 RECTANGLE
ROOF CURB
RETURN
SUPPLY
RETURN
SUPPLY
REMOVE CONDENSOR PANEL
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, LLC 2015. All Rights Reserved.
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