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6. Clean and flush system when reinstalling a boiler.
NOTE: When installing in a zero clearance location, it may
not be possible to read or view some product labeling. It is
recommended to make note of the boiler model and serial
number.
Do not mount the boiler to a hollow wall. Mount to the studs
only.
Use extreme care not to drop the boiler or cause bodily injury
while lifting or mounting the boiler onto the optional wall
mount bracket.
Gas conversion should be performed BEFORE the boiler is
installed. Carefully follow the gas conversion instructions
when performing the conversion.
Failure to follow these instructions could result in property
damage, severe personal injury, or death.
B. Flooring
Assure that the floor and structure of the installation location
are sufficient to support the full installed weight of the boiler,
including water content of the heat exchanger and related
piping. Failure to ensure the floor and structure of the
installation location are structurally sound before installation
of the boiler can result in structural failure, substantial
property damage, severe personal injury, or death.
This boiler is approved for installation on combustible
flooring, but must never be installed on carpeting. Installing
this boiler on carpeting could result in fire, property damage,
severe personal injury, or death.
C. Leveling
In order for the condensate to properly flow out of the
collection system, the area where you locate the boiler must
be level. Location must also fully support the weight of the
filled boiler.
CORRECT
Figure 1 - Correct and Incorrect Leveling
INCORRECT
D. Clearances for Service Access
Figure 2 - Recommended Service Clearances
NOTE: If you do not provide the minimum clearances shown in
Figure 2 it might not be possible to service the boiler without
removing it from the space.
NOTE: A combustible door or removable panel is acceptable
front clearance.
Minimum Clearances from Combustible Materials
•
Hot water pipes - at least 1" from combustible materials
•
Exhaust vent pipe - at least 1" from combustible materials
The space must be provided with combustion / ventilation air
openings correctly sized for all other appliances located in the
same space as the boiler. The boiler cover must be securely
fastened to prevent the boiler from drawing air from the boiler
room. This is particularly important if the boiler is in a room with
other appliances. Failure to comply with the above warnings
could result in substantial property damage, severe personal
injury, or death.
All boilers eventually leak. It is recommended to install a catch
pan beneath the boiler. This catch pan should be sized with a
maximum depth of 2", and a minimum diameter 2" greater than
the diameter of the boiler. The catch pan should empty into
an open drain line. This drain line should be 3/4" ID minimum,
piped to an open drain. Failure to follow these instructions could
result in property damage. Such damages ARE NOT covered by
product warranty.
E. Residential Garage and Closet Installations
Check with your local Authority Having Jurisdiction for
requirements when installing the boiler in a garage or closet.
Please read the entire manual before attempting installation.
Failure to properly take factors such as venting, piping,
condensate removal, and wiring into account before installation
could result in wasted time, money, and possible property
damage and personal injury.
Precautions
If the boiler is located in a residential garage, per ANSI Z223.1:
• Install the boiler burner and ignition devices a minimum
of 18" above the floor of the garage. This will ensure the
9
WHL-052 Rev. 4.28.16
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