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3) insert the male end of one into the female end
of the other. Push the pipe together so the
female end rests up against the stop bead of
the male end.
4) Insert a StaR-Joiner Band into the inlet of the
beaded channel. Feed the Joiner Band in so it
makes itsway aroundthe pipe,back to the channel
inlet and it overlaps itself by about lf2".
5) Cut the excess Joiner Band so it lays fiat in
the beaded channel. Fillthe inlet of the beaded
channel with high temperature silicone. Smooth
out the silicone over the channel inlet and the
silicone between the female end and the stop
bead of the male end.
6) Horizontal venting shall have a slope not less
than 1/4" (6.4mm) every 12 inches (305ram)
downward away from the boiler to prevent
collection of condensate throughoutthe assembly.
7) Allow the sealant to cure for 24 hours before
operating the appliance.
D. For ProTech Systems FasNSeal stainless
steel vent pipe no cleaning fluid is required.
For 3" vent pipe runs on 2, 3, 4 and 5 section
boilers begin by locating the FasNSeal Ametek
Adapter (part #FSAMETEK) over the boiler's
induced draft blower. Continue the vent pipe run
with 3" FasNSeal vent pipe. For 6 and 7 section
boilers begin by locating the FasNSeal Ametek
Adapter (part #FSAMETEK) over the boiler's
induced draft blower. Then connect a
FasNSeal 3" to 4" increaser (part #FS341 ) to
the 3" adapter outlet. Continue the vent pipe
run with 4" FasNSeal vent pipe. Other than
the Ametek Adapter and increaser fitting, DO
NOT use 3" vent pipe on 6 or7 section boilers.
FasNSeal vent pipe is joined and sealed by
the use of an internal sealing gasket and a
locking band on the female end of each vent
pipe. All components should be examined for
possible shipping damage prior to installation.
Align all vent pipe seams and orient upward in
all horizontal applications. Adjustable vent
lengths are available for 4" diameter vent
piping. For 3" diameter vent piping, square cut
male end atthe desired length. For2, 3, 4 and
5 section boilers using the VH-1-3" vent hood,
connect the FasNSeal Vent to the VH-1-3" vent
hood using FasNSeal Adapter #FSC-DUN-3.
This adapter has no internal sealing gasket.
18
To attach the adapter to the vent hood, crimp
the 3" vent hood pipe, apply a 1/4" bead of high
temperature red silicone sealant around the
outside of the vent hood's crimped connecting
pipe and a similar bead of high temperature
silicone around the inside of the FasNSeal
adapter. After pressing the two pipes together
and tightening the locking band, finish creating a
complete seal by filling the FasNSeal adapter's
notched hole with high temperature silicone.
For 6 and 7 section boilers using the VH-1 -4" vent
hood, an adapter is not required. The 4" FasNSeal
vent pipe connects directly to the VH-1-4" vent
hood, and isjoined and sealed bythe intemal gasket
and locking band.
To join and seal the FasNSeal vent pipe:
1) Insert male end into female section.
2) Push the units together as far as possible.
3) Firmly tighten locking band with a nut driver.
4) DO NOT penetrate the FasNSeal vent pipe
with fasteners.
5) Horizontalventingshallhave a slopeof notlessthan
1/4" (6.4mm),every 12 inches (305ram) downward
away from the boiler to prevent the collection of
condensate throughout the assembly.
9, Support Spacing:
Do not restrict thermal expansion movement
of the vent, The vent pipe must expand and
contract freely with temperature change. Each
run of vent piping shall be supported as
follows:
a) Z-Flex stainless steel vent piping requires
a loose fitting metal strap or similar support
at each joint at a maximum of 4 feet
between supports.
b) Heat-Fab stainless steel vent piping requires
a support for every 6 feet of horizontal piping
run. The support must be secured using at
least #10 fasteners to a solid material (solid
masonry or woodframing or blocking.) Do
not fasten to drywall sheathing using hollow
wall anchors. Each support will be 1 1/2 inch
lower than the previous support when
spaced 6 feet apart.
c) Flex-L stainless steel vent piping requires
a loose fitting metal strap or similar support
at each joint at a maximum of 4 feet
between supports.
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