DuraVent FasNSeal Single-Wall - Manual (Page 5)

5
a drain fitting is supplied with the appliance,
install a FasNSeal® Drain Fitting.
•More than one Category II, III or IV appliance
may not be connected into the same vent
system, unless the appliance manufacturer
specifically approved such a system and
the appliances are designed for multiple
venting. Cat. II, III or IV appliances may not
be common vented with Cat. I, natural draft
appliances.
•FasNSeal® must not come in contact with
plumbing or electrical systems.
•Maintain rated clearances to combustibles
over the entire length of the vent system.
Refer to Table 1 for clearance to combustible
requirements.
•Except for installation in one or two family
dwellings, a vent system that extends
through any zone above that on which the
connected appliance is located, shall be
provided with an enclosure having a fire
resistance rating equal to or greater than that
of the floor or roof assemblies through which
it passes.
Clearance to Combustibles
Rated Operating
Temperatures
Minimum Clearance
Enclosed
Clearance Unenclosed
3" & 4"
300º F/ 149º C
480ºF / 249º C
HOR.
SIDE: 8"
TOP: 12"
BOTTOM: 4"
VERT.
4" / 101.6 MM
4" / 101.6 MM
HOR.
1" / 25.4 MM
3" / 76.2 MM
VERT.
1" / 25.4 MM
3" / 76.2 MM
5" - 16"
300º F/ 149º C
480ºF / 249º C
NoN-Combustible
eNClosures
3" / 76.2 MM
3" / 76.2 MM
Rated Operating Temperature of 300°F = Max Flue Gas Temperature of 375°F
Rated Operating Temperature of 480°F = Max Flue Gas Temperature of 550°F
Table 1
•Never install FasNSeal® on an appliance that
is not listed for use with a Special Gas Vent or
Type BH vent.
•FasNSeal® shall not be routed into, through,
or within any vent, such as an existing
masonry or factory-built chimney, that is
connected to another appliance.
•Do not install insulation in any required
clearance space around FasNSeal®.
IMPORTANT
When Installing FasNSeal of 5" diameter
or greater, any enclosures must be of
non-combustible materials!
Follow appliance manufacturer’s
allowances for elbows.
IMPORTANT