NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
5
Massachusetts And New York City, NY Re-
quirements
These appliances are approved for installation
in the following USA locations listed in the
following:
Massachusetts:
Installation of these fireplaces are approved
for installation in the US state of Massachu-
setts if the following additional requirements
are met-
• Installation and repair must be done by a
plumber or gas fitter licensed in the Common-
wealth of Massachusetts.
• The flexible gas line connector used shall not
exceed 36 inches (92 centimeters) in length.
• The individual manual shut-off must be a T-
handle type valve.
New York City, NY:
Installation of these fireplaces are approved
for installation in New Your City in the US state
of New York.
Massachusetts Horizontal Vent Requirements
In the Commonwealth of Massachusetts, hori-
zontal terminations installed less than seven
(7) feet above the finished grade must comply
with the following additional requirements:
• A hard wired carbon monoxide detector with
an alarm and battery back-up must be installed
on the floor level where the gas fireplace is
installed. The carbon monoxide detector must
comply with NFPA 720, be ANSI/UL 2034
listed and be ISA certified.
• A metal or plastic identification plate must be
permanently mounted to the exterior of the
building at a minimum height of eight (8) feet
above grade and be directly in line with the
horizontal termination. The sign must read, in
print size no less than one-half (1/2) inch in
size, GAS VENT DIRECTLY BELOW. KEEP
CLEAR OF ALL OBSTRUCTIONS.
12
X
Roof Pitch is X/12
2 FT
MIN.
2 FT MIN.
Lowest
Discharge
Opening
H*
*H = MINIMUM HEIGHT FROM ROOF TO
LOWEST DISCHARGE OPENING OF VENT
TERMINATION HEIGHTS FOR VENTS ABOVE
FLAT OR SLOPED ROOFS
Horizontal Overhang
Vertical
Wall
Vent
Termination
Storm Collar
Concentric
Vent Pipe
Flashing
1 inch (25.4 mm) Minimum
Clearance to Combustibles
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4
Figure 4
Vertical Vent Termination Clearances
VENT TERMINATION CLEARANCES
These instructions should be used as a guide-
line and do not supersede local codes in any
way. Install vent according to local codes,
these instructions, the current National Fuel
Gas Code (ANSI-Z223.1) in the USA or the
current standards of CAN/CGA-B149.1 and -
B149.2 in Canada.
Terminate multiple vent terminations accord-
ing to the installation codes listed on this
page.
Horizontal Vent Termination Clearances
The horizontal vent termination must have a
minimum of 3" (76 mm) clearance to any
overhead combustible projection of 2-1/2" (64
mm) or less. See
Figure 5. For projections
exceeding 2-1/2" (64 mm), see
Figure 5. All
horizontal terminations may be located as
close as 6" (152mm) to any (non-combustible
and combustible) exterior sidewall. This dis-
tance may be decreased to 2" (51mm) for non-
combustible exterior sidewalls only, if the
SV4.5HT-2 termination is used. For additional
vent location restrictions refer to
Figure 8 on
page 7.
Terminate single vent caps relative to building
components according to
Figure 4.
TYPICAL INSTALLATION SEQUENCE
The typical sequence of installation follows,
however, each installation is unique resulting
in variations to those described.
See the page numbers references in the follow-
ing steps for detailed procedures.
Step 1. (page 6) Construct the appliance fram-
ing. Position the appliance within the framing
and secure with nailing brackets.
Step 2. (page 6) Route gas supply line to
appliance location.
Step 3. (page 10) Install the vent system
and exterior termination. Install additional
restrictor, if needed.
