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420012001500 - 03182024 - Rev. 04
D. Wall Mounting Considerations
These boilers are wall mounted. Use only the wall mounting
instructions included with this boiler.
Ensure the wall that the boiler is intended to be mounted on is
comprised of cement, brick, block, or wooden studs spaced 16” apart
from center. Ensure the wall is capable of supporting at least 150 lbs
(68 kgs).
If flooding is possible, elevate the boiler to prevent floodwater from
reaching the boiler.
Ensure the boiler is installed in a location that minimizes the risk of
water damage due to leaking valves, pumps, unions, etc.
The boiler may be installed on any suitable internal wall (suitable
sound-proofing may be required when installing onto a stud partition
wall).
Ensure that the structure of the installation location is sufficient to
support the full installed weight of the boiler, including water content
of the heat exchanger and related piping and components. If the
mounting location cannot support a minimum of 150 lbs. (68 kg), it
is recommended to locate the boiler in a mounting location that can
support the minimum weight. Failure to ensure the structure of the
installation location is structurally sound before installation of the boiler
and properly mount the boiler can result in structural failure, substantial
property damage, severe personal injury, or death.
Do not mount the boiler to a hollow wall.
This boiler is too heavy for one person to lift. It is highly recommended
to install the boiler with two people. Use caution as to not drop the
boiler, which could damage the boiler and cause property damage
and/or severe personal injury. Verify that the boiler is properly and
securely mounted before leaving unsupervised. Failure to comply with
the above and properly mount the boiler could result in substantial
property damage, severe personal injury, or death.
Position the paper template on the concrete wall to locate the positions of
the hanging bracket and piping bracket.
Drill and plug the wall and secure the hanging bracket using the screws
provided (fischer S 10x50). Ensure the hanging bracket is level.
Secure the piping bracket on the concrete wall. Use suitable hardware.
E. Wall Mounting Instructions
1. Mounting to a Concrete Wall
This wall mounting system is not seismic rated and should not be
applied as such. Failure to comply with the above and properly mount
the boiler could result in substantial property damage, severe personal
injury, or death.
The manufacturer cannot anticipate all installation conditions. These
instructions and included parts may not apply to wall-mounting
the appliance at your installation location. The appliance must be
properly and securely mounted by a qualified installer according to
installation conditions, the technical specifications of the appliance,
and to meet AHJ / building code requirements. All applicable permits
must be obtained before installing the appliance. Failure to follow
these instructions could result in property damage, severe personal
injury, or death. Any damages resulting from improper installation are
not covered by product warranty.
Use extreme care not to drop the boiler or cause bodily injury while
lifting or mounting the boiler onto the wall mount bracket.
Failure to follow these instructions could result in property damage,
severe personal injury, or death.
WARNING
STUDSTUD
Plywood board
Dimensions:
24" wide x 48" high x 1/2" thick
(239,75 mm)
(13,1 mm)
(226,65 mm)
(65 mm) (65 mm)
(67 mm)(67 mm)
(131,76 mm)
(87,2 mm) (87,2 mm)(87,6 mm) (87,6 mm)
3-7/16”
2-9/16”
8-15/16”
5-3/16”
2-9/16”
1/2”
9-7/16”
2-5/8” 2-5/8”
3-7/16”
1-1/8”
9/16”
3-7/16” 3-7/16”
(1108,15 mm)
(745 mm)
(146,26 mm)
(110 mm)
43-5/8”
29-5/16”
(400 mm)
(120 mm)
(406,4 mm)
(120 mm)
(34,2 mm)
(136,5 mm)
15-3/4”
5-3/4”
4-5/16”
4-3/4” 4-3/4”
1-3/8”
5-3/8”
(330 mm)
13”
16”
20
0
100 150
200
250
50
20
0
80
60
40
psi
WARNING
THE MANUFACTURER CANNOT ANTICIPATE ALL INSTALLATION CONDITIONS. THESE INSTRUCTIONS AND
INCLUDED PARTS MAY NOT APPLY TO WALL-MOUNTING THE BOILER AT YOUR INSTALLATION LOCATION.
THE BOILER MUST BE PROPERLY AND SECURELY MOUNTED BY A QUALIFIED INSTALLER ACCORDING TO
INSTALLATION CONDITIONS, THE TECHNICAL SPECIFICATIONS OF THE APPLIANCE, AND TO MEET AHJ /
BUILDING CODE REQUIREMENTS. ALL APPLICABLE PERMITS MUST BE OBTAINED BEFORE INSTALLING THE
BOILER. FAILURE TO FOLLOW THESE INSTRUCTIONS COULD RESULT IN PROPERTY DAMAGE, SEVERE
PERSONAL INJURY, OR DEATH. ANY DAMAGES RESULTING FROM IMPROPER INSTALLATION ARE NOT
COVERED BY PRODUCT WARRANTY.
MOUNTING TO A WOOD STUDDED WALL
To install the boiler on a standard wood studded wall a ply wood board is required. The minimum
dimensions of the plywood board are: 24" wide x 48" high x 1/2" thick.
Use at least fourteen (14) #12 x 3" (3/16" x 3") round head tapping screws to secure the plywood board to
the studded wall.
Position the paper template on the concrete wall to locate the positions of the hanging bracket and piping
bracket.
Drill and plug the wall and secure the hanging bracket using the screws provided (fisher S 10x50). Ensure
the hanging bracket is level.
Secure the piping bracket on the concrete wall. Use suitable hardware.
WALL MOUNTING INSTRUCTIONS
After the plywood board has been installed to the studs, position the paper template on the plywood.
Locate the positions of the hanging bracket and piping adapter bracket. Position the wall mounting and
piping adapter brackets. Ensure the brackets are level. Then mark the bracket drilling holes.
Mount the boiler bracket on the plywood board. Use the hardware delivered with the boiler
(fisher S 10x50) and washers for wood mounting.
Mount the piping bracket on the plywood board. Use suitable hardware .
Figure 6 - Mounting to a concrete wall
Alcove Installations
Alcove installations have the same minimum dimensions as closet
installations, except the installation must be completely open to the
room at a distance no greater than 18 in. (457 mm) from the front of
the boiler and the room must be at least three (3) times the size of the
alcove. Provided these conditions are met, the boiler requires no extra
ventilation air openings to the space. If these conditions are not met,
follow the requirements for Closet Installations.
Part 3 - Prepare the Boiler for Installation
WARNING
WARNING
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