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10
B. Flooring
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.
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.
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.
D. Clearances for Service Access
NOTE: If you do not provide the minimum clearances shown in
Figure 4 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.
NOTE: In multiple boiler installations, ensure an 18" minimum
clearance is maintained between boilers.
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.
INCORRECT
Figure 2 - Correct and Incorrect Leveling
WHL-038 Rev. 1.29.16
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 Installation
Check with your AHJ for requirements when installing the
boiler in a garage. Failure to properly take factors such as
boiler venting, piping, condensate removal, and wiring into
account before installation could result in wasted time,
money, and possible property damage, personal injury, or
death.
Precautions
If the boiler is located in a residential garage, per ANSI Z223.1:
• Install the boiler burner and ignition devices a mini-
• When raising the boiler ensure the entire bottom and
• Locate or protect the boiler so it cannot be damaged
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.
Failure to vent the boiler properly will result in serious
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.
The exhaust discharged by this boiler may be very hot. Avoid
touching or other direct contact with the exhaust gases of the
CORRECT
vent termination assembly. Doing so could 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 first 3' from the boiler. Failure to properly
support vents could result in property damage, severe
personal injury, or death.
mum of 18" above the floor of the garage. This will
ensure the burner and ignition devices are well off the
floor.
fully filled weight of the boiler are fully supported.
by a moving vehicle.
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