18-CD33D1-4
21
Installer’s Guide
;
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.
NOTE: VENT AND INLET MUST BE SUPPORT-
ED AT A MAXIMUM OF 3' INTERVALS
40" UPFLOW OR
DOWNFLOW MODELS
SEE VENTING TABLE
OUTSIDE
WALL
NOTE: ANY FITTINGS PASSING
THROUGH AN UNHEATED SPACE
MUST BE INSULATED.
FIRST SUPPORT SHOULD BE AS
CLOSE TO FURNACE CONNECTION
AS POSSIBLE.
UPWARD PITCH -- 1/4" PER FOOT
STRAPS OR OTHER SUITABLE SUPPORTS
AT MAXIMUM OF 3'-0" INTERVALS
COMBUSTION
AIR INLET
USE ONLY
APPROVED
TERMINATION
TEE
3" PIPING
2", 2-1/2"
or 3" PIPING
REDUCING
COUPLING,
FIELD SUPPLIED
IF NEEDED
SEAL ALL
WALL CAVITIES
BAYVENT200B
RAIN CAP
COMBUSTION AIR
STRAP
(FIELD SUPPLIED)
COMBUSTION
AIR
VENT
ELBOW
(FIELD
SUPPLIED)
VENT
1" + 1/2"
BAYAIR30AVENTA
COUPLING
(PLASTIC
VENTING)
PVC WALL
MOUNT FLANGE
(OPTIONAL)
APPROVED
TERMINATION
CEMENT
MORTAR SEAL
INSIDE &
OUTSIDE
VENTING THROUGH NON-COMBUSTIBLE WALLS
Pitch - 1/4 Inch Per Foot
12” MINIMUM ABOVE
NORMALLY EXPECTED
SNOW ACCUMULATION
LEVEL
6 IN. MIN.
(TO JOINT)
l
z
For Canadian applications only, IPEX 196006,
IPEX 081216, IPEX 081218, and IPEX 081219
may be used for horizontal vent terminations.