Greenheck Fan GB Manual De Usuario

Models G and GB  

Spun Aluminum • Downblast  

Centrifugal Roof Exhaust Fans

Greenheck models G and GB centrifugal roof 
exhaust provide the industry’s best performance and 
durability for general clean air applications where air is 
discharged downward, toward the roof surface.
•  Broadest performance in the industry, up to 

3.25 in. wg 

 and 45,000 cfm 

 .

•  Most advanced motor cooling of any fan in its class .
•  Performance as cataloged is assured. All fan sizes 

are tested in our AMCA Accredited Laboratory, and 
all models are licensed to bear the AMCA Sound 
and Air Performance seals .

•  UL Listed for electrical .
•  Greenheck subjects these products to extensive life 

testing, assuring you that the fans will provide years  
of reliable performance .

•  Use for short and/or low resistance ductwork

, 

•  For average length and/or average  

resistance ductwork

•  High volume/average pressure

•  For long and/or high resistance ductwork
•  Low volume/high pressure

3

G

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6,308

1 .5

$

GB

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44,700 3 .25

$

 *High wind limited to sizes 300 and smaller
**Smoke Control available on models:  101, 101HP, 121, 131, 141, 141HP, 161, 161HP, 200, 240, 300, 360, 420 and 480 .