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29210-0-0911
Page 23
FRAMING AND FINISHING
Installing Support Brackets (Figure 30)
A horizontal pipe support MUST BE used for each 3 feet of horizontal
run. The pipe supports should be placed around the pipe and nailed
in place to framing members. There MUST BE a 3 inch clearance
to combustibles above 6 5/8 inch diameter pipe and elbows and
1 inch clearance on both sides and bottom of 6 5/8 inch pipe to
combustibles on all horizontal pipe sections and elbows.
Vertical runs of this vent systems must be supported every 4 feet
above the appliance flue outlet by wall brackets attached to the 6
5/8 inch vent pipe and secured with nails or screws to structural
framing members.
PIPE STRAP
STUD WALL
FLUE OUTLET
48”
(1219mm)
1” MIN.
(25.4mm)
CLEARANCE TO
COMBUSTIBLES
FROM VERTICAL VENT
12” MIN.
(304.8mm)
CLEARANCE
TO
COMBUSTIBLES
3” MIN.
(76.2mm)
CLEARANCE
TO
COMBUSTIBLES
Figure 30
Installing Firestops
Firestops are required for safety whenever the vent system passes
through an interior wall, an exterior wall, or a ceiling. These firestops
act as a firebreak heat shield and as a means to insure that minimum
clearances are maintained to the vent system.
Horizontal Firestops (Figure 31)
Horizontal runs in the vent system which pass through either interior
or exterior walls, require the use of wall firestops on both sides of
the wall through which the vent passes.
Position the firestops on both sides of the framed hole, previously
cut. Refer to Figures 32 to 34 on page 25 for sizing information.
Secure firestop with nails or screws. The heat shields of the firestops
MUST BE placed towards the top of the hole. Continue the vent
run through the firestops.
Figure 31
WALL FIRESTOP