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CAUTION: Do not use exces-
sive force to remove the knock-
out. Too much force may damage
the firebrick concrete insert.
A manual shutoff valve, CSA certified and
complying with the National Fuel Gas code,
ANS Z223.1/NFPA 54, must be included
within 6' of the vent-free firebox gas supply
system. It may be convenient to install the gas
shutoff outside the vent-free firebox enclosure
where it can be accessed with a key through
a wall as shown in Figure 13. Depending on
the type of installation, some local codes may
require you to install 2 manual shutoff valves
independently accessible from both rooms.
Check your local codes for applicable instal-
lation requirements.
A 36" long 1/2" NPT SCHD 40 flexible gas
connector line complying with the National
Fuel Gas code ANS Z223.1/NFPA 54, may
be run from the regulator to the incoming 1/2"
NPT black iron gas line. You may also route
the incoming 1/2" NPT black iron gas line
directly to the appliance regulator.
Remove the gas line cover plate from the
vent-free firebox's outer surround and route
Gas Line Installed Through Access
Hole on One Side of Firebox
Manual Shutoff
Valve is Located
Under Firebox Floor
on Either Side
Figure 11 - Installing Gas Line and
Manual Shutoff Valve
12
INSTALLATION
Continued
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the gas line into the rear of the firebox (see
Figure 11).
If a sediment trap (not supplied) is not incor-
porated as a part of the gas utilization equip-
ment, one shall be installed as close to the
inlet of the equipment as practical at the time
of installation, as per ANS Z223.1/NFPA 54.
See Figure 14.
Firebrick Floor
Remove Knockout
3/4" Thick Liner
Figure 12 - Location of Knockouts for
Gas Line
Extension
Key
Figure 13 - Typical Exterior Wall Gas
Shut-Off Installation
Incoming
1/2" Gas Line
Permitted by
Local Codes
Sediment Trap
(Not Supplied)
Figure 14 - Sediment Trap Installation
Shut-Off Valve
126706-01A
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