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126688-01A
12
INSTALLATION
Continued
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
Figure 11 - Installing Gas Line and
Manual Shutoff Valve
Manual Shutoff
Valve is Located
Under Firebox Floor
on Either Side
Gas Line Installed Through Access
Hole on One Side of Firebox
Figure 12 - Location of Knockouts for
Gas Line
Extension
Key
Shut-Off Valve
Figure 13 - Typical Exterior Wall Gas
Shut-Off Installation
Remove Knockout
3/4" Thick Liner
Firebrick Floor
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.
Figure 14 - Sediment Trap Installation
Incoming
1/2" Gas Line
Permitted by
Local Codes
Sediment Trap
(Not Supplied)
