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Installation Instructions
4
Printed in China
STEP 4
Plenum Installation (cont.)
Secure plenum using the field supplied screws through
the four provided slots in the plenum front face.
Caulk may need to be applied to the outside of the
building along all top, bottom and sides of the plenum
to ensure a water tight seal.
If additional screws are used to secure the inside of the
wall plenum to the rough opening framing, only drive
screws through the vertical sides of the wall plenum.
Water may penetrate into framing if screws are driven
into the bottom of the plenum. See Detail A.
Apply caulk on the bottom of the plenum at the seam
between part A and part B, running the caulk 3 inches
up each side.
* Field Supplied Parts
Proper Caulking*
All 4 sides
Screws*
A
A
A
A
Detail A
Four places
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