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12
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Schedule 40
Black Iron Pipe
Inside Diameter (Inches)
Schedule 40 Pipe
Length (feet)
Natural
Gas
Propane
Gas
0-10 1/2 3/8
10-40 1/2 1/2
40-100 1/2 1/2
100-150 3/4 1/2
150-200 3/4 1/2
Table 6
Proper Sizing of Gas Line
Properly size and route the gas supply line
from the supply regulator to the area where the
appliance is to be installed per requirements
outlined in the National Fuel Gas Code, NFPA
54 - latest edition (USA) or CAN/CSA-B149.1
- latest edition (Canada).
Notes:
• All appliances are factory-equipped with
a flexible gas line connector and 1/2 inch
shutoff valve (see Figure 39 on Page 24).
• SeeMassachusetts Requirements on Page
4 for additional requirements for installations
in the state of Massachusetts in the USA.
• ThegassupplylineshouldNotbeconnected
to the appliance until Step 6 (Page 24).
• Apipejointcompoundratedforgasshouldbe
used on the threaded joints. Ensure propane
resistant compounds are used in propane
applications. Be very careful that the pipe
compound does not get inside the pipe.
• Itisrecommendedtoinstallasedimenttrap
in the supply line as close as possible to the
appliance (see Figure 39). Appliances using
Propane should have a sediment trap at the
base of the tank.
• Checkwithlocalbuildingofcialforlocal
code requirements (i.e. are below grade pen-
etrations of the gas line allowed?, etc.).
IMPORTANT: If propane is used, be aware that
if tank size is too small (i.e. under 100-lbs, if
this is the only gas appliance in the dwelling.
Ref. NPFA 58), there may be loss of pressure,
resulting in insufficient fuel delivery (which
can result in sooting, severe delayed ignition
or other malfunctions). Any damage resulting
from an improper installation, such as this, is
not covered under the limited warranty.
Never use galvanized or plastic pipe. Refer
to Table 6 for proper sizing of the gas sup-
ply line, if black iron pipe is being used. Gas
lines must be routed, constructed and made
of materials that are in strict accordance with
local codes and regulations. We recommend
that a qualified individual such as a plumber or
gas fitter be hired to correctly size and route
the gas supply line to the appliance. Installing
a gas supply line from the fuel supply to the
appliance involves numerous considerations of
materials, protection, sizing, locations, controls,
pressure, sediment, and more. Certainly no one
unfamiliar and unqualified should attempt sizing
or installing gas piping.
Figure 14 - Corner Framing with Square Termination (SV4.5HT-2)
Inches
(millimeters)
C
Back wall of chase/enclosure
(including any finishing materials)
E
D
A
B
7 (178)
�
Corner Framing Dimensions - All Models
A B C D E
in. 22-1/8 41-5/8 29-1/2 10 20-7/8
mm 562 1057 749 254 530
Top Vent With Horizontal Termination In A Corner
uWhen installing in a corner configuration, one of
the rear stand-offs will need to be removed.
Figure 15 - Route Gas Line
Step 2. ROUTING GAS LINE
Route a 1/2" (13 mm) gas line along the inside
of the left side framing as shown in Figure 15.
Gas lines must be routed, constructed and made
of materials that are in strict accordance with
local codes and regulations. All appliances are
factory-equipped with a flexible gas line con-
nector and 1/2 inch shutoff valve. (See Step 6
on Page 24).
6-1/8"
(156 mm)
*1-7/8"
(65 mm)
Right Side Front
Corner of Fire-
place Framing
* Measured from the top of platform that unit
is installed on to pipe center (see Figure 12)