18-CD26D1-10 23
Installer’s Guide
REMOVE RIBS
FROM CAP
COMBUSTION
AIR
OOF FLASHING BOOT
FIELD SUPPLIED)
COMBUSTION
AIR
VENT
ELBOW
(FIELD SUPPLIED
(18 IN. FOR CANADA)
MINIMUM CLEARANCE
ABOVE HIGHEST
ANTICIPATED SNOW
LEVEL. MAXIMUM OF
24 IN. ABOVE ROOF
SUPPORT
(FIELD SUPPLIED)
VENT
Figure 38. BAYAIR30AVENTA (VERTICAL)
GALVANIZED FIRESTOP SHOULD
BE FABRICATED WITH 3-7/8" DIA.
HOLE FOR SUPPORT FLANGE
(12" x 12" PANEL OR 12" DIA MIN.)
VENTING THROUGH CEILING
CEILING
SUPPORT
FLANGE
FLUE PIPE
COUPLING
SEAL BETWEEN FLANGE, PIPE,
COUPLING AND METAL PANEL
WITH HI TEMP RTV SILICONE SEALANT
CLEARANCE ( 0" ACCEPTABLE FOR PVC VENT PIPE )
( 1" ACCEPTABLE FOR TYPE 29-4C STAINLESS STEEL VENT PIPE )
Figure 39
AINTAIN 12 IN.
18 IN. FOR CANADA)
INIMUM CLEARANCE
BOVE HIGHEST
NTICIPATED SNOW
LEVEL. MAXIMUM OF
4 IN. ABOVE ROOF.
VENT
COMBUSTION
AIR
Figure 37 BAYAIR30AVENTA (VERTICAL)
Figure 36
SUPPORT HORIZONTAL PIPE EVERY 3' 0"
WITH THE FIRST SUPPORT AS CLOSE TO
THE FURNACE AS POSSIBLE. INDUCED
DRAFT BLOWER, HOUSING, AND
FURNACE MUST NOT SUPPORT THE
WEIGHT OF THE FLUE PIPE.
For Canadian applications only, IPEX 196006 may be used
for vertical vent terminations.
12 INCHES MIN. CLEARANCE MUST BE
MAINTAINED ABOVE HIGHEST
ANTICIPATED SNOW LEVEL.
MAXIMUM NOT TO EXCEED
24 INCHES ABOVE ROOF.
For Canadian applications only, IPEX 196006
may be used for vertical vent terminations.