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103414
UNVENTED PROPANE/LP GAS FIREPLACE
CGFP28P and CGFP28PT
20"
24
1
/2
"
27
1
/2
"
30"
2
1
/2
"
6"
8"
10"
Propane
Supply Tank
External Regulator
Vent Pointing Down
Figure 30 - External Regulator With Vent
Pointing Down
CAUTION: Use only new,
black iron or steel pipe. Inter-
nally-tinned copper tubing may
be used in certain areas. Check
your local codes. Use pipe of 1/2"
diameter or greater to allow
proper gas volume to fireplace. If
pipe is too small, undue loss of
pressure will occur.
CAUTION: Use pipe joint seal-
ant that is resistant to liquid pe-
troleum (LP) gas.
Install sediment trap in supply line as shown
in Figure 31, page 15. Locate sediment trap
where it is within reach for cleaning. Locate
sediment trap where trapped matter is not
likely to freeze. A sediment trap traps mois-
ture and contaminants. This keeps them
from going into fireplace gas controls. If
sediment trap is not installed or is installed
wrong, fireplace may not run properly.
Installation must include a manual shutoff
valve, union, and plugged 1/8" NPT tap.
Locate NPT tap within reach for test gauge
hook up. NPT tap must be upstream from
fireplace (see Figure 31, page 15).
Check your building codes for any special
requirements for locating manual shutoff
valve to fireplaces.
Apply pipe joint sealant lightly to male
threads. This will prevent excess sealant
from going into pipe. Excess sealant in pipe
could result in clogged fireplace valves.
INSTALLATION
Continued
Mantel Clearances for Built-In
Installation
If placing mantel above built-in fireplace,
you must meet minimum clearance between
mantel shelf and top of fireplace opening.
Figure 29 - Minimum Mantel Clearances
for Built-In Installation
Mantel Shelf
INSTALLING GAS PIPING TO
FIREPLACE LOCATION
NOTICE: A qualified service per-
son must connect fireplace to
gas supply. Follow all local codes.
CAUTION: Never connect
heater directly to the propane
supply. This heater requires an
external regulator (not supplied).
Install the external regulator be-
tween the heater and propane
supply.
Installation Items Needed
Before installing fireplace, make sure you
have the items listed below.
• external regulator (supplied by installer,
see Figure 30)
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• manual shutoff valve *
• test gauge connection *
• sediment trap
• tee joint
• pipe wrench
• approved flexible gas line with gas con-
nector (if allowed by local codes) (not
provided)
* An A.G.A. design-certified manual shutoff
valve with 1/8" NPT tap is an acceptable
alternative to test gauge connection. Pur-
chase the optional A.G.A. design-certified
manual shutoff valve from your dealer. See
Accessories, page 32.
The installer must supply an external regu-
lator. The external regulator will reduce
incoming gas pressure. You must reduce
incoming gas pressure to between 11 and 14
inches of water. If you do not reduce incom-
ing gas pressure, heater regulator damage
could occur. Install external regulator with
the vent pointing down as shown in Figure
30. Pointing the vent down protects it from
freezing rain or sleet.
If your installation does not meet the above
minimum clearances, you must:
• raise the mantel to an acceptable height,
OR
• remove the mantel.
Note:
All Vertical
measurements
are from top of
fireplace
opening to
bottom of
mantel shelf.
All measure-
ments are in
inches.