Specifications

FLUE PIPE CLEARANCES
• Vent terminal must be located at least 3 feet above any forced air inlet located within 10 feet.
• The vent terminal of a direct vent appliance with an input of 50,000 Btu per hour or less shall be located at least 9
inches from any opening through which flue gases could enter a building, and such an appliance with an input over
50,000 Btu per hour shall require a 12-inch vent termination clearance. The bottom of the vent terminal and the air
intake shall be located at least 12 inches above grade.
• Flue pipe installations should provide for venting to a confined space through which there is a free flow of outdoor
air. Clearances to adjacent walls or obstacles must comply with the requirements shown below.
Frontal Clearance
A
P.nmhi istihle iiiiiiiii iiimui miummi inn it
CAUTION :
Do not attach anything onto the outlet
of the flue pipe.
Overhead Clearance
Combustible ->imwmi
24' (6 Ocm)
or more
3
Wall
5^" J
(13.5cm)
| _J^;
Clamp '. 1
&^
r*l
Heater - j J
* ' .
i-
24 (60cm)
or more
Wai
5
\/-
(13.5cm)
Clamp
^^
=^*
|E
A
*
1
Heater
-Wall
Any construction
above Flue Pipe
5
1
A" must not come
(14 within 24" (60cm)
cm) of front obstacle
~or4 24" (60cm) - — »
more or more
3^-t.,, Flue Pipe
r*^ »
12" (30cm)
or more
I
Front Obstacle
Ground or slab surface
Side Clearance
Non-combustible
-Wall
Combustible
,,7
'
Wall
Clamp
| Side obstacle
//" 24" (60cm)
'Jr
or
more
45° /
£
Ground
12" (30cm)
or more
i
Flue Pipe
Heater-
Ul
1 18' (45cm)
— or more
^J ,
iH P""
3
*~~
Flue Pipe
wan
or slab surface
IMPORTANT:
(1) In areas of heavy snow falls, ground surface clearance
must be increased according to average snow falls, to
prevent flue pipe from being buried.
-f
Must be higher.
Extension
kit
Snow
(2) In open area with strong wind, a wind break may be
necessary.
j— 24"min -*.
(61cm)
Fig. 6
11