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Vertical Vent Termination
Elbow
Condensation
1m
Max.
Local Codes)
Appliance
Adapter
Rain
Cap
Roof
Flashing
Firestop/
Support
Firestop
Hanger
Strap
Drain (Install
According to
• Terminate at least 1.8m from
the combustion air intake of any
appliance, and 1m from any
other building opening, gas
utility meter, service regulator
etc.
• Enclose exterior vent systems
below the roof line to limit
condensation and protect
against mechanical failure.
• When the vent penetrates a
floor or ceiling and is not
running in a fire rated shaft, a
firestop and support is required.
• Terminate the vent system at
least 1m above, but not more
than 2m above the roof line, or
according to the vent pipe
manufacturer's instructions.
• Provide vertical support every
3.6m or as required by the vent
pipe manufacturer's instructions.
• Slope the horizontal vent 6mm
downwards for every 300mm.
• Do not vent straight upwards.
Always have a horizontal section
of venting.
• Install a condensation drain in
the horizontal section of the
venting.
59
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