Installing Duct Collar

Overview of exhaust and supply plenum locations

TOP VIEW

Hanger Bracket

3.0

 

Exhaust Plenum

14.0

 

Duct cut out area

Hood Width

3.0

Front of Hood

8.0

 

 

 

8.0

 

 

Hood Length

BACK VIEW

1.0

12.0

8.0

Top of Hood

 

8.0

 

 

 

Exhaust Plenum

Duct cut out area

Dimensions are shown in inches.

1.The exhaust duct connection needs to be located within 48 in. (121.92 cm) from the center of the hood length to the center of the duct connection.

2.The exhaust duct connection is to be a continuous liquid-tight weld. Weld with a non-ferrous filler wire, such as silicon bronze or stainless steel filler wire. Protect all stainless steel areas from weld splatter.

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Model GGH2O 15

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Greenheck Fan GGH20 manual Installing Duct Collar, Overview of exhaust and supply plenum locations