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INSTALLATION
The Simpson Dura-Vent Co Axial Flue System offers a complete line of component parts for installation of both horizontal and vertical installations. Many
items are offered in decorative black, as well as galvanized finish. We recommend using the galvanized finish for installation with the PG36.
The minimum components required for a basic
horizontal termination are:
1
Horizontal Termination Cap
1
90
Elbow
o
1
Flue Adaptor
1
Wall Thimble
1
Length of pipe to suit wall thickness
(see chart)
Flat Wall Installation
Wall Thickness
(inches)
4" - 5-1/2"
7" - 8-1/2"
10" - 1-1/2"
9" - 14-1/2"
15" - 23-1/2"
Corner Installation
Wall Thickness
(inches)
3-1/4" - 6-3/4"
7-3/4" - 16-1/4"
7-1/4" - 8-3/4"
4-1/4" - 5-3/4"
SIMPSON DURA-VENT FLUEING COMPONENTS LIST
Part # Description
971
Horiz. Termination Kit includes: 90
elbow, wall thimble cover, horiz. square
termination cap, 24" black pipe, and 11"
-14" 5/8" adjustable black pipe
970
Basic Horiz. Termination. Kit includes:
90
black elbow, wall thimble cover,
o
horiz. square termination cap
978
Vert. Termination Kit includes 0/12 -
6/12 pitch adjustable flashing, storm
collar, low profile term. cap
908B 6" (152mm) Pipe Length - Black
907B 9" (229mm) Pipe Length - Black
906
12" (305mm) Pipe Length - Galv.
906B 12" (305mm) Pipe Length - Black
904
24" (610mm) Pipe Length - Galv.
904B 24" (610mm) Pipe Length - Black
903
36" (914mm) Pipe Length - Galv.
903B 36" (914mm) Pipe Length - Black
902
48" (1219mm) Pipe Length - Galv.
902B 48" (1219mm) Pipe Length - Black
12
SIMPSON DURA-VENT FLUEING
Horizontal or Vertical Terminations
Wall thickness is measured from the back
standoffs to the inside mounting surface of
termination cap. For siding other than vinyl furring
strips may be used, instead of the vinyl siding
standoff, to create a level surface to mount the
flue terminal. The Terminal must not be recessed
into siding. Measure the wall thickness including
furring strips.
Vent Length Required
(inches)
6"
9"
12"
11" - 14-5/8" Adj. Pipe
17" - 24" Adj.
Vent Length Required
(inches)
11" - 14-5/8" Adj. Pipe
17" - 24" Adj. Pipe
6" + 12"
9" + 9"
6" + 9"
All Simpson Dura-Vent components are available directly from Masport.
Part # Description
black
911B
11"-14 5/8" (279mm - 372mm) Adjustable
o
Pipe Length - Black
917B 17"- 24" (432mm - 610mm) Adjustable
Length - Black
945
45
Elbow - Galv.
O
945B 45
Elbow - Black
O
945G 45
Elbow - Swivel - Galv.
O
945BG 45
Elbow - Swivel - Black
O
990
90
Elbow - Galv.
O
990B 90
Elbow - Black
O
990G 90
Elbow - Swivel - Galv.
O
990BG 90
Elbow - Swivel - Black
O
991
High Wind Termination Cap (Vertical)
980
Vertical Termination Cap
984
Horizontal Square Termination Cap
985
Horiz. Square High Wind
Termination Cap
982
Snorkel - 14"(356mm) Rise Term.Cap
981
Snorkel - 36" (914mm) Rise
Termination Cap
If a Vinyl Siding Standoff is required (it must
be used with vinyl siding), measure to outside
surface of wall without siding and add 2
inches.
Vertical
Terminal
Storm Collar
Part # 953
Flashing
943 or 943S
Ceiling Firestop
Support Box/
(Part # 963)
Wall Thimble
(Part # 940)
Round Support
Box/Wall Thimble
(Part # 940)
Pipe Length
o
90 Elbow
24" (610mm)
Pipe Length
Flue Adapter
(Part# 510-994)
Simpson Dura-Vent
Co-Axial Flue GS
Part # Description
940
941
3951
963
943
943S Flashing 7/12-12/12
953
950
988
942
Parts not supplied by Dura-Vent
946-506/P
510-994
640-530/P
946-205
Vinyl Siding
Standoff (Optional)
Part #950
Round
AstroCap
Wall Thimble
Part # 942
Adj.Pipe Length
11" - 14-5/8"
(279mm - 372mm)
Wall Thimble - Support/Box
Cathedral/Ceiling - Support/Box
Brass Trim for Wall Thimble/
Ceiling Sup.
Firestop Spacer
Flashing 0/12-6/12
Storm Collar
Vinyl Siding Standoff
Wall Strap
Wall Thimble
Flue Guard (Optional)
Dura-Vent Flue Adaptor
Riser Flue Terminal
Vinyl Siding Shield for Riser Flue
Terminal
Regency
PG36-5 Gas Log Fireplace
®
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