NOTES:
1) HORIZONTAL SECTIONS MUST ADHERE TO A MINIMUM
1/4 INCH PER FOOT (1 MM PER 48 MM) RISE TO RUN RATIO
2) MAINTAIN A MINIMUM 9 INCH (229 MM) AIR SPACE
CLEARANCE TO COMBUSTABLES, WIRE, AND INSULATION
3) INSTALL SUPPORT STRAPS AT 5 FT (152 CM) HORIZONTAL
INTERVALS AND AT ELBOWS
TYPICAL ROOF PENETRATIONS
COMBUSTION AIR FROM THE OUTDOORS
( SUGGESTED INSTALLATION CONFIGURATIONS )
MIN 4 FT
(122 CM)
ADJUSTABLE
FLASHING
METAL PLATE
FIRE STOP
ADJUSTABLE
FLASHING
ADHESIVE SEAL
STORM COLLAR
COMBUSTION
AIR INLET 90° ELBOW
1/2 INCH x 1/2 INCH
(13 MM x 13 MM)
MESH SCREEN
FLUE GAS EXHAUST TERMINATION
(RAIN CAP NOT REQUIRED)
IF SNOW ACCUMULATION
IS APPLICABLE, OPENING TO BE
MIN 1 FT (30 CM ) ABOVE
THIS NORMALLY EXPECTED LEVEL.
DO NOT PLACE INSULATION IN
REQUIRED AIR SPACE CLEARANCE
SCH40 PVC PIPE (TYPICAL)
REFERENCE TABLE 1 FOR
MIN CAI DIAMETER
STORM COLLAR
FLEXIBILE RUBBER
PIPE COUPLING
FLUE GAS EXHAUST
DIRECTION OF FLOW
COMBUSTION AIR INLET (CAI)
DIRECTION OF FLOW
STORM COLLAR
(FOR DOUBLE WALL)
MIN 4 FT (122 CM)
ABOVE AIR
INTAKE PIPING
UL-1738 APPROVED
EXHAUST VENT MATERIAL
LEVEL HOUSEKEEPING PAD
MIN 4 INCH (102 CM) HEIGHT
CONDENSATE TRAP
APPLIANCE ADAPTER
CONSULT FLUE MFG FOR SELECTION
REFERENCE TABLE 1 FOR FLUE GAS STACK DIAMETER
CAUTION:
SEPARATE AIR INTAKE AND EXHAUST TERMINATIONS AS FAR AS
POSSIBLE TO PREVENT FLUE GAS RECIRCULATION (FGR) DURING
DIFFERENT WIND CONDITIONS.
EXHAUST STACK IS DOWNWIND
OF AIR INTAKE OPENING
To Next Page
Loading...
