Specification Sheet

5
Heatfab Division, Selkirk Corp.
130 Industrial Boulevard • Turners Falls, MA 01376
Phone [phone] • Fax [phone] • www.heat-fab.com
Saf-T Vent
®
CI Plus
DOUBLE WALL AL 29-4C
®
SPECIAL GAS VENT
Accessories:
RTV Sealant — In order to have a UL Listed system, Saf-T Vent CI Plus parts without a factory adhered
sealed must be installed with one of the following approved RTV sealants:
Approximate Coverage
Note: In planning the RTV required for an installation, please be aware that certain fittings require additional RTV in
order to achieve a proper positive-pressure seal. The following types of parts should be counted as 2 joints toward the
RTV coverage table:
•Boiler Starters •Adjustable Sections •Flue Collar Adapters •Boot Tees
The table below shows the approximate number of installed joints that can be completed with a container of
RTV sealant. These figures are based on a ¼” bead of sealant. Actual coverage may vary.
Maximum Appliance
Flue Gas Temperature
Sealant Size
Heat-fab Part
Number
General Electric (GE) RTV 106 2.8 oz tube 7000RTV
or 10.1 oz cartridge 7000RTVL
Dow Corning 736
550° F.
*Diameters 4" thru 16" are manufactured with a factory adhered seal on the inside of the female end
and will not need sealant in the joint.
Approximate Number of Joints
Inner Vent
Diameter, Inches
3 oz Tube 10 oz Cartridge
18 4 14
20 4 13
22 3 12
24 3 11
26 3 10
28 3 9
30 2 9
32 2 8
Material Thickness:
Inner Vent
Diameter
Wall Thickness –
Inner Vent
Wall Thickness –
Outer Jacket
4– 8” 0.015” (28 ga)
9 – 16” 0.020” (26 ga)
18 – 24” 0.025” (24 ga)
24 – 32” 0.035” (20 ga) 0.030” (22 ga)
0.024” (24 ga)
Use as an aid when assembling Saf-T Vent CI Plus double wall, Saf-T Vent EZ Seal single wall and
Saf-T Vent SC sealed combustion joints which have the silicone seal installed in the female end. Apply
a very thin film of silicone compound lubricant directly to gasket on inside of female end or to the
leading edge of outside surface on male end.
Silicone Lubricant: