Initial Installation
QUALIFIED INSTALLERS ONLY
MANTLE CLEARANCES:
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 flange to top of cement board: 15 1⁄2” (394 mm)
Top of flange to bottom of 31⁄2” mantle: 24 1⁄2” (622 mm)
Top of flange to bottom of 8” mantle: 27 1⁄2” (699 mm)
VENT PARTS AND TERMINAL CLEARANCES:
Combustibles | 8" (203mm) mantle |
| 31⁄2" (89mm) |
| 27 1⁄2” |
| (699mm) |
| 24 1⁄2” |
12 5/16” | (622mm) |
| |
(313mm) | 15 1⁄2” |
| (394mm) |
DV50DX |
|
| Cement Board |
Figure 16. Combustible Mantle Clearances.
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 |
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908 | SV4L6 | 6” pipe length | 911 |
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| 11” to 14 5/8” pipe, adjustable | |
907 |
| 9” pipe length |
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| 4” to 10” pipe , adjustable | ||
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906 | SV4L12 | 12” pipe length |
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| SV4LA12 | 11⁄2” to 12” pipe , adjustable | |
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904 | SV4L24 | 24” pipe length | 943 |
| Flashing, 0/12 to 6/12 roof pitch | ||
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903 | SV4L36 | 36” pipe length | 943S |
| Flashing, 7/12 to 12/12 roof pitch | ||
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902 | SV4L48 | 48” pipe length |
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| SV4FA | Flashing, 1/12 to 7/12 roof pitch | |
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945 | SV4EBR45 | 45° elbow, black |
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| SV4FB | Flashing, 8/12 to 12/12 roof pitch | |
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990 | SV4EBR90 | 90° elbow, black | 943F |
| SV4F | Flat flashing | |
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950 | SV4VS | Vinyl siding standoff/sheild | 980 | SV4CGV | Vertical termination | ||
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942 | SV4RSN | Wall thimble | 991 |
| High wind vertical termination | ||
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953 | SV4FC | Storm collar | 984 | SV4CHC | Horizontal square termination | ||
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963 | SV4BF | Fire stop | 985 |
| High wind horizontal termination | ||
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988 | SV4BM | Wall strap/support/band | 978 | SV0FAK | Vertical termination kit | ||
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970 | SV0SHK | Horizontal termination kit (SD: Basic | 971 | SV0SHK2 | Horizontal termination kit | ||
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| Kit, SEL: Kit A, SC: Standard Kit) |
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| (SD: Kit A, SEL: Kit B, SC: Kit) |
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The Sherwood Home Collection of fireplaces have been tested and certified 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
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