Heatilator • Novus NDV Series • 4055-187 Rev F • 06/08 41
D. Assemble Slip Sections
WARNING! Risk of Fire or Asphyxiation! Overlap pipe
sections at least 1 1/2 in. (38 mm). Secure slip sections
with two screws which must not exceed 1/2 in. (13 mm)
in length. Use the pilot holes. Pipe could separate if not
properly joined.
• Slide the inner fl ue of the slip section into the inner fl ue of
the pipe section and the outer fl ue of the slip section over
the outer fl ue of the pipe section. See Figure 11.7.
• Slide together to the desired length.
Figure 10.7 Slip Section Pilot Holes
Figure 10.8 Screws into Slip Section
NOTICE: When installing a vent system with an HRC
termination cap, all pipe system joints shall be sealed using
a high temperature silicone sealant.
• Apply a bead of silicone sealant inside the female outer
pipe joint prior to joining sections.
• Only outer pipes are sealed, sealing the inner fl ue is not
required.
• All unit collar, pipe, slip section, elbow and cap outer fl ues
shall be sealed.
• Continue adding pipe as necessary following instructions
in “Assembling Pipe Sections.”
• Maintain a 1-1/2 in. (38 mm) overlap between the slip
section and the pipe section.
• Secure the pipe and slip section with two screws no
longer than 1/2 in. (13 mm), using the pilot holes in the
slip section. See Figure 10.8.
NOTICE: If slip section is too long, the inner and outer fl ues
of the slip section can be cut to the desired length.
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