74D0009
13
VENT INSTALLATION
Figure 7 - Combustible Clearances for Vent Pipe
A minimum of 3" clearance to the top is
required along horizontal length until flue
pipe penetrates outside wall.
A minimum 1"
clearance to
combustibles
permitted all
around flue at
outside wall
W
ARNING
12" vertical rise required
before horizontal run
Horizontal sections of this vent system require a minimum of 3" clearances to
combustibles at the top of the flue and 1" clearance at the sides and bottom
until
the flue penetrates the outside wall.
A minimum 1" clearance all around the flue
is acceptable at this point of penetration.
If the vertical rise is 7
1
/
2
ft. or more, only a 1" clearance is needed on top of any
horizontal run.
Vertical sections of this vent system require a minimum of 1" clearance to
combustibles on all sides of the pipe.
Summary of Contents for Direct Vent BLDV400
Page 54: ...54 74D0009 2 3 4 5 6 7 illustrated parts lists firebox components ...
Page 65: ...74D0009 65 ...
Page 66: ...66 74D0009 ...