Installation –
Mounting Height & Clearance
6
www.zephyronline.com
DUCTING
A minimum of 8” round duct is recommended to
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Always use rigid type metal ducts only. Flexible
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Use calculation worksheet on page 5 to compute
total duct work.
ALWAYS, when possible, reduce the number of
transitions and turns. If a long duct run is required,
increase duct size from 8” to 10”.
If turns or transitions are required: Install as far
away from opening and as far apart, between 2,
as possible.
Minimum mount height between range top to hood
bottom should be no less than 26”.
Maximum mount height should be no higher than
34”.
It is important to install the hood at the proper
mounting height. Hoods mounted too low could
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mounted too high will be hard to reach and will
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If available, also refer to range manufacturer’s
height clearance requirements and recommended
hood mounting height above range. Always check
your local codes for any differences.
Duct cover extension kit available for ceiling
heights up to 12 feet. Turn to page 18 for part
number and ordering information.
DAMAGE-SHIPMENT / INSTALLATION:
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installation.
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unit to the store in which it was bought for
repair or replacement.
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or replacement is the responsibility of the
customer.
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be made by arrangement between customer
and installer.
26” min.
34” max.
min. A
min. B
max. C
min. D
min. E
max. F
Standard
Extension
Hood Heights
Duct Cover
Duct Cove
r
minimum ducted (A) 27”
45“
minimum recirculating (B) 31-1/2”
49-1/2“
maximum (C) 44”
80”
Ceiling Heights
minimum ducted (D) 89” (7’ 5”) 107“ (8‘ 11”)
minimum recirculating (E) 93-1/2” (7’ 9-1/2”) 111-1/2“ (9‘ 3-1/2”)
maximum (F) 114” (9’ 6“ ) 150” (12’ 6”)
36”
