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U37 Regency ULTIMATE Rear Vent Direct Vent Freestanding Gas Heater 11
INSTALLATION
Diagram 2a
HORIZONTAL INSTALLATIONS
Diagram 1
*Dia 2a & 2b: As specified in CGA B149 Instal-
lation Code. Local codes or regulations may
require different clearances.
RESIDENTIAL AND MANUFACTURED HOMES/
MOBILE HOMES INSTALLATIONS
You will require the following components with your new Regency Rear Vent Direct Vent Freestanding Gas Stove. Please review your product
to make sure you have everything you need. In the event that you are missing any part, contact your dealer. Decorative brass or chrome trim kits
are available from Simpson Dura-Vent for their wall thimbles, as well as a square wall thimble cover.
Note: These are the minimum pieces required.
Other parts may be required for your particular installation.
Minimum components for a Horizontal Installation:
640-944 Horizontal Termination Kit which includes:
1 946-201 6-5/8" Dia. x 18" Black Pipe
1 946-207 4" Dia. x 18" Aluminum Vent
1 640-530 Riser Vent Terminal
1 946-202 Wall Penetration Heat Shield (Wall Thimble) (2 pcs)
1 640-545 Decorative Wall Trim (Black)
1 948-128 Tube Mill-Pac
Screws
Optional Components:
946-204 45
o
Elbow - 6-5/8" Black pipe and 4"
Aluminum Vent
946-205 Vinyl Siding Shield for Riser Vent
Terminal
946-208/P Vent Guard
940 Square Wall Thimble Cover*
981 Snorkel Termination (36")*
982 Snorkel Termination (14")*
942 Wall Penetration
Heat Shield*
* Simpson Dura-Vent components
Alternate Snorkel
Termination Cap
Part # 982 (14")
Part # 981 (36")
1) Set the unit in its desired location. Check to
determine if wall studs are in the way when
the venting system is attached. If this is the
case, you may want to adjust the location
of the unit.
2) Assemble the desired combination of pipe
and elbow to the appliance adapter with
pipe seams oriented down. Offset the pipe
seams as double seams in one place will
cause the outer pipe to take an oval shape.
Kit comes complete with 18" of straight vent
- 6-5/8" dia. black outer pipe and 4" dia. inner
vent.
3) With the pipe attached to the stove, slide the
stove into its correct location, and mark the
wall for a 9-1/2" (inside dimensions) round
hole. The center of the round hole should
line up with the centerline of the horizontal
pipe, as shown in diagram 1. Cut and frame
the 9-1/2 round hole in the exterior wall
where the vent will be terminated. If the wall
being penetrated is constructed of non-
combustible material, i.e. masonry block or
concrete, a 7" diameter hole is acceptable.
Note:
a) The horizontal run of vent should have
a 1/4 inch rise for every 1 foot of run
towards the termination. Never allow
the vent to run downward. This could
cause high temperatures and may
present the possibility of a fire.
b) The location of the horizontal vent ter-
mination on an exterior wall must meet
all local and national building codes, and
must not be blocked or obstructed. For
External Vent Terminal Locations, see
diagram on page 7.
c) Snorkel Terminations:
For installations requiring a vertical rise
on the exterior of the building, 14-inch
and 36-inch tall Snorkel Terminations as
shown in Dia. 2 are available, as well as
the standard Riser Vent. Follow the
same installation procedures as used
for standard Horizontal Termination.
NEVER install the snorkel upside down.