18-CD20D3-18
21
Installer’s Guide
z
x
NOTE: VENT AND INLET MUST BE SUPPORTED
AT A MAXIMUM OF 3' INTERVALS
VENT
1" MAX.
ELBOW
(FIELD
SUPPLIED)
STRAP
(FIELD SUPPLIED)
VENT
COMBUSTION AIR
RAIN
CAP
COMBUSTION
AIR
BAYVENT100A
3" PIPING
2", 2-1/2"
or 3" PIPING
REDUCING
COUPLING,
FIELD SUPPLIED
IF NEEDED
SEAL ALL
WALL CAVITIES
BAYVENT200A/B
TEE
COMBUSTIBLE MATERIAL WALL
A minimum clearance of 1" to combustible materials must be
maintained when using single wall stainless steel venting.
See Figure 31 above.
Shield material to be a minimum of 24 gauge stainless or
aluminized sheet metal. Minimum dimensions are 12"x12".
Shield must be fastened to both inside and outside of wall.
Use screws or 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 32 above.
STRAPS OR OTHER SUITABLE SUPPORTS AT
A MAXIMUM OF 3' 0" INTERVALS
;
