Heatilator • LEGACY42-IFT Installation Manual • 4095-901 Rev. A
• 12/17
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B. Assemble Slip Sections
Note: The SLG6A and SLG12A slip sections are de
-
signed to be used in conjunction with any length of
straight SLG vent pipe. Slip sections are not to be
used with elbows.
• Slide the non-beaded end of slip section inside the
male beaded end of SLG pipe section. See Figure
7.4.
• Slide together to the desired length. Always maintain a
minimum of 1-1/2 in. (38 mm) overlap between the SLG
vent section and slip section.
Figure 7.4 Slip Section
Figure 7.5 Screws into Slip Section
• Secure SLG vent section and slip section at desired
length with a minimum of (3) screws. See Figure 7.5.
NOTICE:
If slip section is too long, slip section can be cut
to the desired length provided that a 1-1/2 in. (38 mm)
minimum overlap between the SLG vent section and slip
section is maintained.
120º
Figure 7.6 Securing Vertical Pipe Sections
120º
Figure 7.7 Securing Horizontal Pipe Sections
C. Secure the Vent Sections
• Vertical runs originating off the top of the appliance, with
no offsets, must be supported every 8 ft. (2.44 m) after
the maximum allowed 25 ft. (7.62 m) of unsupported rise.
• Vertical runs originating off the rear of the appliance, or
after any elbow, must be supported every 8 ft. (2.44 m).
• Horizontal runs must be supported every 5 feet (1.52
m).
• Vent supports or plumbers strap (spaced 120º apart)
may be used to support vent sections. See Figures 7.6
and 7.7.
• Wall shield firestops may be used to provide horizontal
support to vent sections.
WARNING! Risk of Fire, Explosion or Asphyxiation!
Improper support could allow vent to sag and separate.
Use vent run supports and connect vent sections per in-
stallation instructions.
DO NOT
allow vent to sag below
connection point to appliance.
Slip Section
Vent Section
Secure minimum (3) screws