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Hearth & Home Technologies • HEAT-OUT-GAS Instructions • 2310-939 • 3/17
1.
After desired length is determined, cut completely
around or through duct with knife or scissors. Cut
wire with wire cutters. Fold back jacket and insulation.
1.
Fold back jacket and insulation from core. Butt 2 cores
together on a standard 4" [100 mm] length metal sleeve.
2.
Slide at least 1" [25 mm] of core over fitting and past the
bead. Seal core to collar with at least 2 wraps of duct
tape. Secure connection with clamp placed over the
core and tape and past the bead.
2.
Tape cores together with at least 2 wraps of duct
tape. Secure connection with 2 clamps placed over
the taped core ends and past the beads.
3.
Pull jacket and insulation back over core. Tape jacket
with at least 2 wraps of duct tape. A clamp may be
used in place of or in combination with the duct tape.
3.
Pull jacket and insulation back over cores. Tape jack-
ets together with at least 2 wraps of duct tape.
Connections
Splices
C. Connecting Insulated Flex Duct
Figure 2.22
