
13
Approved Vent Systems
DuraVent (DirectVent Pro)
46DVA-VC – Low Profile Cap
Vertical
46 DVA-VCH – Hi Wind Cap
Vertical
46 DVA-HC – Square High Wind Cap
Horizontal
Olympia Chimney (Ventis)
VDV-VCH04 – Round High Wind Cap
Vertical
VDV-VCH4 – Round Cap
Vertical
VDV-HC04 – Square High Wind Cap
Horizontal
BDM (Pro-Form)
DVR6-VCH Round High Wind Cap
Vertical
DVR6-HC Square Cap
Horizontal
DVR-HCP HCA Pyramid Termination Cap
Horizontal
Venting Requirements
Consult the local and national installation codes to assure adequate combustion and ventilation air is available. Venting
requirements apply to both natural gas and LP gas.
•
Flame height and appearance will vary depending upon venting configuration and the type of fuel used.
• Refer to the vent manufacturer’s installation manual for complete installation instructions. Vent installation must conform
with venting requirements and restrictions as outlined in this manual.
• Provide a means for visually checking the vent connection to the appliance after it is installed.
Vent Section Clearances
Wall thimble products that comply with the required 1 in (25 mm) clearance to combustibles must be installed for
all horizontal vent runs that pass through interior or exterior walls. These wall thimble products may be insulated
using unfaced insulation products listed as noncombustible per ASTM E 136.
Attic insulation shields may be insulated using unfaced insulation products listed as noncombustible per ASTM E 136.
Vertical Pipe Section Clearances
Surface
Sides
All Approved Venting
1 in (25 mm)
Horizontal Pipe Section Clearances
Surface
Top
Bottom
Sides
All Approved Venting
3 in (76 mm)
1 in (25 mm)
1 in (25 mm)
Use Of Elbows
• MAXIMUM NUMBER OF 90° ELBOWS: 4
•
For each additional 90° elbow used after the first 90° elbow, 3 ft (91.4 cm) must be subtracted from maximum venting
allowed.
• For each 45° elbow used, 1½ ft (457 mm) must be subtracted from maximum venting allowed.
• (2) 45° degree elbows may be used in place of (1) 90° elbow.
INSTALLATION
Содержание AH3024FP
Страница 46: ...46 NOTES...
Страница 47: ...47 NOTES...