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It is not necessary to install a mantle, but if
one is desired it is important to follow the
guidelines shown in Figure 16.
Top of unit to horizontal framing:
12
5
/16” (313 mm)
Top of ange to top of cement board:
15 ” (394 mm)
Top of ange to bottom of 3” mantle:
24 ” (622 mm)
Top of ange to bottom of 8” mantle:
27 ” (699 mm)
3" (89mm)
8" (203mm) mantle
Combustibles
Cement Board
DV50DX
12
5
/
16
”
(313mm)
15 ”
(394mm)
24 ”
(622mm)
27 ”
(699mm)
Figure 16. Combustible Mantle Clearances.
Initial Installation
QUALIFIED INSTALLERS ONLY
MANTLE CLEARANCES:
VENT PARTS AND TERMINAL CLEARANCES:
The Sherwood Home Collection of replaces have been tested and certied for use with SIMPSON DURAVENT
TYPE GS PIPE FOR GAS STOVES. SECURITY CHIMNEY’S “SECURE VENT DIRECT VENT SYSTEM” and SELKIRK
“METALBESTOS MDV VENT SYSTEM” kits are available for horizontal venting. When using Simpson Duravent, it is
recommended that, before installation, a bead of RTV High Temperature Silicone should be applied to each outer
vent joint, and Mil-Pac to each inner joint. When planning an installation, it will be necessary to select the proper
length of vent pipe for the particular requirements.
Table 1: Vent part numbers.
Simpson Duravent (SD), Selkirk (SEL), and Security Chimneys (SC), must state if galvanized or black wanted, PART NUMBERS:
SD SEL SC Description SD SEL SC Description
908 4DT-6 SV4L6 6” pipe length 911 11” to 14
5
/8” pipe, adjustable
907 4DT-9 9” pipe length 4DT-AJ 4” to 10” pipe , adjustable
906 4DT-12 SV4L12 12” pipe length SV4LA12 1” to 12” pipe , adjustable
904 4DT-24 SV4L24 24” pipe length 943 4DT-AF6 Flashing, 0/12 to 6/12 roof pitch
903 4DT-36 SV4L36 36” pipe length 943S 4DT-AF12 Flashing, 7/12 to 12/12 roof pitch
902 4DT-48 SV4L48 48” pipe length SV4FA Flashing, 1/12 to 7/12 roof pitch
945 4DT-EL45 SV4EBR45 45° elbow, black SV4FB Flashing, 8/12 to 12/12 roof pitch
990 4DT-EL90 SV4EBR90 90° elbow, black 943F SV4F Flat ashing
950 4DT-VS SV4VS Vinyl siding standoff/sheild 980 4DT-VC SV4CGV Vertical termination
942 4DT-WT SV4RSN Wall thimble 991 4DT-HVC High wind vertical termination
953 4DT-SC SV4FC Storm collar 984 4DT-HC SV4CHC Horizontal square termination
963 4DT-FS SV4BF Fire stop 985 4DT-HHC High wind horizontal termination
988 4DT-WS/B SV4BM Wall strap/support/band 978 4DT-VKC SV0FAK Vertical termination kit
970 4DT-HKA SV0SHK Horizontal termination kit (SD: Basic
Kit, SEL: Kit A, SC: Standard Kit)
971 4DT-HKB SV0SHK2 Horizontal termination kit
(SD: Kit A, SEL: Kit B, SC: Kit)
15