Back Venting Guide
8”
10 ¾”
Level of 
Blower Deck
Hood C/L
22”
11” 11”
8”
10 ¾”
8 ½”8 ½”
6”
7”
Level of 
Blower Deck
Hood C/L
22”
11” 11”
6”
7”
VP513 - 6” Round
VP515 - 8” Round
VP561 - 8” Round
to 6” x 8 1/2” Rectangular
Back Vent Applications (Page 4 of 4)
NOTE:  Excluding  the  SLH6-K,  Under  Cabinet  Range  Hood  and  the  KHSLD  Liner  Insert,  all  Vent-A-Hood 
range hoods duct out the top and can be back-vented only by use of transitions and/or elbows.
Transition Heights
VP513: 6” Round - 8 1/2” Tall When Adjusted To 90 Degrees
VP515: 8” Round - 10 3/4” Tall When Adjusted To 90 Degrees
VP561: 8” Round To 6” x 8 1/2” Rectangular - 7” Tall
B400 Blower Outlets With 2 VP561s
Installed (Back View)
B400 Blower Outlets With 2 VP515s 
Installed (Back View)





