American Standard CUX1B040A9241A Installation, Operation And Maintenance Manual page 18

Installation Instructions
▲
CAUTION
!
The vent for this appliance shall not terminate
(1) Over public walways; or
(2) Near sofit vents or crawl space vents or other areas where
condensate or vapor could create a nuisance or hazard or
cause property damage; or
(3) Where condensate vapor could cause damage or could be
detrimental to the operation of regulators, relief valves. or
other equipment.
MINIMUM CLEARANCE FROM COMBUSTIBLE MATERIALS FOR
UPFLOW/HORIZONTAL AND DOWNFLOW/ HORIZONTAL FURNACES
FURNACE SURFACE
SIDES
BACK
TOP
FRONT
VENT
NOTE: CLEARANCE REQUIRED AT TOP OF PLENUM IS 1"
x
COMBUSTION
AIR INLET
40" UPFLOW OR
DOWNFLOW MODELS
(FIELD SUPPLIED)
VENT
COMBUSTION AIR
BAYAIR30AVENTA
Page 18
UNIT LOCATION
VERTICAL
CLOSET
0"
0"
1"
3"
0"
SEE VENTING TABLE
STRAPS OR OTHER SUITABLE SUPPORTS
AT MAXIMUM OF 3'-0" INTERVALS
UPWARD PITCH -- 1/4" PER FOOT
FIRST SUPPORT SHOULD BE AS
CLOSE TO FURNACE CONNECTION
AS POSSIBLE.
NOTE: ANY FITTINGS PASSING
THROUGH AN UNHEATED SPACE
MUST BE INSULATED.
COMBUSTION
AIR
STRAP
RAIN CAP
VENT
1" + 1/2"
ELBOW
(FIELD
For Canadian applications only, IPEX
SUPPLIED)
196006, IPEX 081216, IPEX 081218,
and IPEX 081219 may be used for
horizontal vent terminations.
anchor type fasteners suited to the outside or inside wall surfaces.
NONCOMBUSTIBLE MATERIAL WALL
The hole through the wall must be large enough to maintain pitch
of vent and properly seal.
Use cement mortar seal on inside and outside of wall.
See Figure 31.
HORIZONTAL
CLOSET ALCOVE / ATTIC
1"
3"
1"
3"
0"
NOTE: VENT AND INLET MUST BE SUPPORTED
AT A MAXIMUM OF 3' INTERVALS
USE ONLY
APPROVED
TERMINATION
OUTSIDE
WALL
TEE
2", 2-1/2"
or 3" PIPING
BAYVENT200B
HORIZONTAL
0"
6"
1"
18"
0"
REDUCING
COUPLING,
FIELD SUPPLIED
IF NEEDED
3" PIPING
SEAL ALL
WALL CAVITIES
Pub. No. 41-5016-12