36092-2-0316
Page 22
INSTALLATION
Vertical Vent Pipe Clearance
NOTICE:
Need 2-inch clearance around pipe for the first
12 inches above Firebox.
See Figure 26.
2” MIN. CLEARANCE
AROUND VENT PIPE
Figure 26
Horizontal Vent Clearances
For horizontal vent, maintain a minimum 1 inch clearance
to the bottom and sides of the vent, and 3 inch clearance to
combustibles above the vent pipe.
See Figure 27.
Figure 27
45
°
ELBOW WITH HORIZONTAL TERMINATION
VENT
CAP
WALL THIMBLE
3” MININUM CLEARANCE
TO COMBUSTIBLES
IN WALL
46-13/16” TO COMBUSTIBLES
ABOVE VENT INSIDE WALL
Figure 28
45°ELBOW
A
VENT CAP
WALL FIRESTOP/
THIMBLE
B
MINIMUM PIPE
LENGTH (A)
FIREPLACE TO
EXTERIOR WALL (B)
(Dimensions in inches)
9
10-5/8
12
13-5/8
18
19-5/8
24
25-5/8
MAXIMUM REAR VENT RUN BY GAS TYPE
PIPE LENGTH
(A)
FIREPLACE TO
EXTERIOR WALL (B)
GAS TYPE
(Dimensions in inches)
84 (7ft)
84-5/8
NG
36 (3 ft)
36-5/8
LP
Figure 29