LP-428 Rev. 6.6.16
10
F. Exhaust Vent and Intake Pipe
The boiler is rated ANSI Z21.13 Category IV (pressurized vent,
likely to form condensate in the vent) and requires a special vent
system designed for pressurized venting.
NOTE: The venting options described here (and further
detailed in the Venting section, this manual) are the lone
venting options approved for this boiler. Failure to vent the
boiler in accordance with the provided venting instructions
will void the warranty.
Figure 2 - Recommended Service Clearances
Failure to vent the boiler properly will result in serious personal
injury or death.
The exhaust discharged by this boiler may be very hot. Avoid
touching or other direct contact with the exhaust gases of the
vent termination assembly. Doing so could result in severe
personal injury or death.
Do not attempt to vent this boiler by any means other than
those described in this manual. Doing so will void the warranty
and may result in severe personal injury or death.
Vents must be properly supported. Boiler exhaust and intake
connections are not designed to carry heavy weight. Vent
support brackets must be within 1’ of the boiler and the
balance at 4’ intervals. Boiler must be readily accessible for
visual inspection for rst 3’ from the boiler. Failure to properly
support vents could result in property damage, severe
personal injury, or death.
• When raising the boiler ensure the entire bottom and
fully lled weight of the boiler are fully supported.
• Locate or protect the boiler so it cannot be damaged by
a moving vehicle.
The space must be provided with correctly sized combustion/
ventilation air openings for all other appliances located in the
space with the boiler. For power venting installations using
room air for combustion, refer to the venting section, this
manual, for descriptions of conned and unconned spaces.
Do not install the boiler in an attic. Failure to comply with these
warnings could result in substantial property damage, severe
personal injury, or death.
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