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Jaguar Model J-390
15
B. DIRECT VENT - VENTING AND AIR INTAKE
THROUGH A ROOF
F
igure 13 shows typical vertical venting. The vent pipe must
p
ass through the ceiling, floor and the roof vertically through a
8” minimum diameter cutout. A fire stop is required for each
ceiling and floor penetration. For roof passage an appropriate
UL listed roof flashing must be used.
The vertical vent piping must terminate with a screened
straight termination. The air intake termination should be a
screened 180˚ elbow facing down. The air intake opening must
b
e at least 1 foot below the vent opening.
F
or PVC/CPVC pipe, follow the proper assembly practices
s
pecified on page 7, and venting system restrictions specified
on page 7 of this manual. For stainless steel venting systems,
follow the vent manufacturer’s instructions and the restrictions
specified on page 7 of this manual
JAGUAR J-390 - DIRECT VENT, VENTING AND AIR INTAKE
THROUGH A ROOF
All joints must be liquid and pressure tight. Use 4” dia. PVC/CPVC schedule 40 pipe or U/L listed single wall 4" dia.
AL29-4C S.S.*. venting materials (See page 7).
S
N
O
W
L
I
N
E
SUPPORT
F
I
R
E
S
T
O
P
A
N
D
PER FO OT MIN.
SLOPE UP
1/4 IN.
PIPE
W
ITH SCREEN
S
TORM COLLAR
STRAIGHT TERMINATION
FLASHING AN D
180°ELBOW
WITH SCREEN
AIR IN TAKE
AIR INTAKE
4" DIA. PVC/CPVC
PIPE FOR
SUPPORT
SUPPORT
FIRESTOP AND
4" DIA PVC/CPVC
OR S TAINLESS
STEEL MATERIAL
FOR VENT
2" MIN.
10FT.MIN.
1FT.MIN.
1FT.MIN
Figure 13. Direct vent, venting and air intake through a roof.
*
AL 29-4C IS A REGISTERED TRADEMARK OF ALLEGHENY LUDLUM CORP
.
** Definition of Snow Line: Knowledge of local conditions will reveal the maximum height that repeated snowfalls accumulate to.
The height should be used as the SNOW LINE.