41978-2-0321
Page 20
CLEARANCES (CONT’D)
VENT PIPE CLEARANCE
NOTICE:
Maintain one inch of clearance around vertical vent
pipe.
See Figure 11.
1” MIN. CLEARANCE
AROUND VERT. VENT PIPE
VENT PIPE
Figure 11
NOTICE:
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 12.
6-5/8" Diameter
intake vent
4" Diameter flue
1"
3" (76 mm)
1" (25 mm)
Figure 12