3.3.1 Best installation conditions
Below are some factors to consider for best installation conditions:
Install the boiler in areas where the combustion air source is not subject to chemical fouling or
agricultural vapors. Exposure to corrosive chemical fumes such as chlorinated and/or
fluorinated hydrocarbons can reduce the life of a boiler. See list of Known contaminants on page
4. For this reason, do not use the indoor air venting option (using air surrounding the boiler) in a
laundry room. Similarly, ensure any direct vent air source is not near a clothes dryer exhaust
terminal. Avoid agricultural applications where the boiler and/or the intake air source are
affected by ammonia and/or dust.
Avoid installing a boiler where water leakage will cause damage; for example, above carpeting.
If unavoidable, install a suitable drain pan under the appliance.
Vent location - An important consideration is managing the impact of the steam plume
normally at the exhaust terminal of a condensing boiler. Generally, intake and exhaust pipes
should terminate at a rooftop or sterile wall location to maximize customer satisfaction. Keep
exhaust plumes well away from all building air intakes including those of neighboring properties.
Refer to Table 5 and Figure 19 in Sidewall vent termination on page 28.
The minimum clearance requirements for combustible materials (see Table 3 ).
For adequate servicing, we recommend a minimum 24" clearance at the front and 6" above the
boiler. Check local codes for additional access and service clearance requirements.
At a new construction site, or when renovating:
Protect the boiler from drywall dust or other construction related contaminants.
Ensure combustion air is drawn from a clean source (e.g., outdoors).
Isolate the boiler from interior dust sources.
3.4 Mounting the boiler
You must attach fasteners to solid material capable of supporting the combined weight of the boiler
and piping assembly components. Boiler weight – without water, system piping and components – is
approximately 150 lbs / 68 kg.
Warning
Do not mount the appliance to hollow wall structures - The combined weight of the
boiler, its water content and associated piping components can exceed 150 pounds.
Fasteners must be rated for this strain, and must be firmly anchored into solid material that
will support this weight. Installers must take necessary precautions to avoid injury during
the installation of this boiler.
3.3.1 Best installation conditions
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