Regency PG121/PG131 Zero Clearance Room Sealed Gas Fireplace
20
Diagram 3
Diagram 5
Diagram 1
Diagram 2
Note: Apply sealant "Mill-Pac" to inner pipe
and high temperature silicone seal-
ant to outer pipe on every twist-lock
joint.
TERMINATION
1)
Maintain the 1-1/4" clearances (air spaces)
to combustibles when passing through ceil-
ings, walls, roofs, enclosures, attic
rafter, or other nearby combustible
surfaces. Do not pack air spaces
with insulation. Check pages 17-19
for the maximum vertical rise of the
flueing system and the maximum
horizontal offset limitations.
2)
Set the gas appliance in its desired
location. Drop a plumb bob down
from the ceiling to the position of
in the ceiling, and mark the spot where the
flue will penetrate the roof. Determine if ceil-
ing joists, roof rafters or other framing will
obstruct the flueing system. You may wish to
relocate the appliance or to offset, as shown
in Diagram 2 to avoid cutting
load bearing members.
3)
A F i r e s t o p
spacer must be
installed in the
floor or ceiling
of every level.
To install the
Firestop spacer
in a flat ceiling or wall, cut a 10 inch square
hole. Frame the hole as shown in Diagram
3 and install the firestop.
4)
Assemble the desired lengths of pipe and
elbows. Ensure that all pipes and elbow con-
nections are in the fully twist-locked position
and sealed.
5)
Cut a hole in the roof centered on the small
drilled hole placed in the roof in Step 2. The
hole should be of sufficient size to meet
the minimum requirements for clearance
to combustibles of 1-1/4". Slip the flashing
under the shingles (shingles should overlap
half the flashing) as per Diagram 4.
6)
Continue to assemble pipe lengths.
Roof Pitch Minimum Vent Height
Feet Meters
flat to 7/12
2
0.61
over 7/12 to 8/12
2
0.61
over 8/12 to 9/12
2
0.61
over 9/12 to 10/12
2.5
0.76
over 10/12 to 11/12
3.25
0.99
over 11/12 to 12/12
4
1.22
over 12/12 to 14/12
5
1.52
over 14/12 to 16/12
6
1.83
over 16/12 to 18/12
7
2.13
over 18/12 to 20/12
7.5
2.29
over 20/12 to 21/12
8
2.44
Diagram 4: The upper half of the flashing is
installed under the roofing material and not
nailed down until the chimney is installed. This
allows for small adjustments.
Note: If an offset is necessary in the attic
to avoid obstructions, it is important
to support the flue pipe every 3 feet,
to avoid excessive stress on the el-
bows, and possible separation. Wall
straps are available for this purpose
(Diagram 2).
Galvanized pipe is desirable above the roof-
line due to its higher corrosion resistance.
Continue to add pipe sections through the
flashing until the height of the flue cap meets
the minimum height requirements specified
in Diagram 5 or local codes. Note that for
steep roof pitches, the vertical height must
be increased. A poor draft, or down drafting
the appliance flue exit, and
mark the location where
the flue will penetrate the
ceiling. Drill a small hole
at his point. Next, drop a
plumb bob from the roof to
the hole previously drilled
Diagram 3
Diagram 4
Diagram 5
pipe to the flue termination, slide the Wall
Thimble (Part # 942) over the flue pipe.
8)
Slide the appliance and flue assembly
towards the wall carefully inserting the flue
pipe into the flue cap assembly. It is important
that the flue pipe extends into the flue cap
sufficient distance so as to result in a mini-
mum pipe overlap of 1-1/4 inches. Secure
the connection between the flue pipe and
the flue cap by attaching the two sheet metal
strips extending from the flue cap assembly
into the outer wall of the flue pipe. Use the
two sheet metal screws provided to connect
the strips to the pipe section. See Diagram
4.
9)
Install wall thimble in the center of the 10"
square and attach with wood screws (Dia-
gram 5).
VERTICAL
INSTALLATION
