Broan RVK1A Instruction Manual

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ROOF VENT KIT - INSTALLATION INSTRUCTIONS
Plan installation carefully. Roof cap will accept 3” or 4” round
duct. Tape all joints with duct tape to prevent air and water
leaks.
NOTE: DO NOT INSTALL THE ROOF CAP ON A FLAT ROOF.
1. Cut a 5” diameter hole through roof boards and shingles.
99040569F
8. Carefully lift shingles and slide back flange of roof cap
under shingles. Nail flange to roof under shingles at top
and two sides. Nail directly to roof at bottom.
9. Use roof cement to seal shingles to top and sides of roof
cap. Seal all nail heads with roof cement as well.
NOTE: Use as short a duct run as possible, for best fan
performance. If the 8-foot length is more than needed, cut
hose to desired length.
4. Trace outline of roof flange onto shingles.
5. Trim shingles as shown, so they will fit snugly around hood
of roof cap when installed. Seal all around duct with roof
cement.
6. Slide 4” hose clamp over end of flexible hose and attach
hose to connector. Tighten clamp securely.
7. Insert hose and connector into hole in roof.
10. Slide hose clamp over free end of hose and fasten hose
to fan discharge collar.
NOTE: If discharge collar on fan is 3” diameter, use the neo-
prene strip to increase the diameter to 4”.
To install the neoprene strip:
1. Center it on the top of the discharge collar.
2. Remove the paper backing.
3. Smoothly wrap it around the discharge collar so that the
pressure-sensitive adhesive holds it in place.
2. Connect 4” metal duct connector to opening in bottom of
roof cap:
Insert one edge of "V cut" under edge of "Notch".
Rotate duct connector 360 degrees to completely
engage.
3. Insert duct connector/roof cap assembly into hole in roof.
1
2
ROOF
CEMENT
(Seal
shingles
to roof cap
on sides
and top)
NAILS
(Seal all nail heads
with roof cement)
V CUT
NOTCH
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Page 1 - 99040569F

ROOF VENT KIT - INSTALLATION INSTRUCTIONSPlan installation carefully. Roof cap will accept 3” or 4” round duct. Tape all joints with duct tape to prev

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