52 Venting the Boiler
WARNING
Improper venting of the boiler can result in excessive levels of
carbon monoxide, which can lead to severe personal injury or
death. This boiler must be vented in accordance with the
“Venting of Equipment” section of the latest edition of the
ANSI Z223.1/NFPA 54 Natural Fuel Gas Code in the USA
and/or the “Venting systems and air supply for boilers“
section of the latest version of the CAN/CGA B149.1 Natural
Gas and Propane Installation Code in Canada, as well as all
applicable local building codes and regulations. Follow all
instructions and guidelines when venting the boiler. Venting
should be performed only by a licensed professional.
The boiler must be properly vented to ensure a constant supply of
clean intake air and to ensure that exhaust air is properly removed
from living areas. When venting the boiler, follow these guidelines:
Ɣ
Do not install the boiler in areas with contaminated air
(containing a high level of dust, sawdust, sand, flour, aerosols,
or any other such airborne contaminants), as contaminants
can cause operational problems. The warranty does not cover
damage caused by contaminants in the installation area. If
you must install the boiler in an area with contaminated air,
use direct venting to supply air from outside the building. We
recommend regular filter cleaning and maintenance in these
areas.
Ɣ
For best results, keep the venting system as short and straight as
possible.
Ɣ
Locate the boiler as close as possible to the vent termination.
Ɣ
Do not connect the boiler vent to a vent for any other gas boiler
or vent stack.
Ɣ
For horizontal runs, slope the horizontal section upward toward
the vent termination at a rate of
1
/
4
in per foot (2% slope).
Ɣ
Create an airtight seal at each joint in the exhaust and intake air
pipes from the boiler collar to the vent termination.
Connecting the Pipe to the Vent Collar
1. Measure 3-1/8” inches from the end of the vent pipe, then
draw a mark at that distance.
Mark 3-1/8” from
the end of the pipe
3-1/8”
2. Insert the pipe into the vent collar to start the vent run. Make
sure to completely slide the vent into the collar until the end
makes contact with the bottom of the socket.
Note
Verify that 3-1/8” of the pipe has been completely
inserted into the collar and that the mark is no longer
visible.
WARNING
Ensure that the vent pipe is properly beveled prior to
installation and that the pipe is fully connected to the exhaust
gas vent fitting. Failure to properly bevel and install the pipe
can lead to gasket failure and flue gas leakage, which may
result in serious injury or death.
90°
3. Tighten the clamp with a screwdriver to properly seal the joint.
5. Venting the Boiler
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