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STARTING DUCT BOARD COLLAR 656-665
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656 (820) - STARTING COLLAR PLAIN
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SIZE
ITEM
QTY
6"..........4796...........12
7"..........4797...........12
8"..........4798...........12
10".........4800...........12
12".........4801............6
14".........4802............6
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657 (820) - COLLAR W/DAMPER
(For Duct Board) |
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SIZE
ITEM QTY
6"..........4807...........12
7"..........4808...........12
8"..........4809...........12
10".........4571............6
12".........4572............6
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657 (820) - W/SCOOP & DAMPER
(For Duct Board) |
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SIZE
ITEM
QTY
6"..........4578...........12
7"..........4579...........12
8"..........4820...........12
10".........4822............6
12".........4823............6
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| 573-574
collar - long starting collar used as a starting collar with or
without damper for pipe and/or insulated flex duct. 5
1/2" overall length. 645 - long starting collar with
strapping bead used to install insulated flexible duct.
Overall length - 5 1/2" (undersized OD for easy flex duct
connection.) 647, 648, 656, 657, 657 - takeoffs used with
duct board. 660, 661 - "quick seal" takeoffs -
starting collar with a 1 1/2" wide, self-adhesive
gasket/flange has four pre-punched holes for attaching to metal
duct work or duct board with the use of special fasteners. |
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