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Regency P33-3 Zero Clearance Direct Vent Gas Fireplace
16-1/2”
(419mm)
Minimum
4"
(102mm)
3"
(76mm)
1-1/2"
(38mm)
30”
(762mm)
10" (254mm)
dia. Hole through
wall for Dura-Vent
1/2"
(13mm)
Drywall
Top Header
Opening for gas
connection
INSTALLATION
3) For exterior walls, insulate the enclosure to
the same degree as the rest of the house,
apply vapour barrier and drywall, as per lo-
cal installation codes. (Do not insulate the
fi replace itself.)
4) The top of the unit must not be closer than
30" (762mm) to the ceiling.
5) Combustible material may be brought up to
the top and sides of the unit and be covered
with ceramic tiles, bricks, rock or other suit-
able combustible fi nishing materials.
Note: The unit does not have to be complete-
ly enclosed in a chase. The clearance
on top of the unit is 0" to the standoffs
so combustible building materials can
be laid directly on top of the standoffs.
You must maintain clearance from the
vent to combustible materials for fl ex
for Simpson Dura-Vent, see page 7.
1) Determine the total thickness of facing
material (e.g. drywall plus ceramic tiles) to
allow the fi nished surface to be fl ush with
the front of the unit. Total facing thickness
can vary from 1/2" (13mm) to 1-1/4" (32mm)
thick.
6) Use steel studs for framing where the
1-1/2" (38mm) clearance from the vent
to combustible material cannot be main-
tained.
2) Frame in the enclosure for the unit with
framing material.
Vertical Termination or
Vertical Rise with Horizontal
Termination
Rear Termination
FRAMING AND FINISHING
NOTE: If this is an outside corner, the
minimum distance between the vent and the
outside corner is 6" (15cm) with AstroCap
termination cap or 12" (30cm) with Dura-Vent
termination cap.
NOTE: If this is an outside corner, the minimum
distance between the vent and the outside corner
is 6" (15cm) with AstroCap termination cap or 12"
(30cm) with Dura-Vent termination cap.
Simpson Dura-Vent Piping
Flex Piping
12-3/4”
(324mm)
Minimum
4"
(102mm)
3"
(76mm)
1-1/2"
(38mm)
26”
(660mm)
10" (254mm)
dia. Hole through
wall for Flex
1/2"
(13mm)
Drywall
Top Header
Opening for gas
connection
Simpson Dura-Vent
Minimum Clearances
Flex Pipe
Minimum Clearances
For Both Simpson & Flex
For Both Simpson & Flex
The HeatWave Duct Kit has different clear-
ance and framing requirements, check the
HeatWave manual for details.
Install Side Nailing Strips, and Top Facing
Support before unit is slipped into position.
See page 9 for assembly details.