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Fig. 11—Attic Location and Working Platform
A93031
COMBUSTION – AIR
INTAKE
VENT
MANUAL
SHUTOFF
GAS VALVE
SEDIMENT
TRAP
CONDENSATE
TRAP
DRAIN
ACCESS OPENING
FOR TRAP
30″ MIN
WORK AREA
A 12-IN. MIN HORIZONTAL PIPE
SECTION IS RECOMMENDED WITH
SHORT (5 TO 8 FT) VENT SYSTEMS
TO REDUCE EXCESSIVE
CONDENSATE DROPLETS FROM
EXITING THE VENT PIPE.
5
3
⁄
4
″
NOTE: LOCAL CODES MAY REQUIRE A DRAIN PAN UNDER THE
FURNACE AND CONDENSATE TRAP WHEN A CONDENSING
FURNACE IS INSTALLED ABOVE FINISHED CEILINGS.
Fig. 12—Horizontal Right Tube Configuration
A00214
PLUG
COLLECTOR BOX DRAIN TUBE
(BLUE AND WHITE STRIPED)
INDUCER HOUSING
DRAIN TUBE (VIOLET)
COLLECTOR BOX
EXTENSION TUBE
COLLECTOR BOX TUBE (GREEN)
CAP
COLLECTOR BOX DRAIN TUBE (BLUE)
COLLECTOR BOX TUBE (PINK)
CONDENSATE
TRAP
COLLECTOR BOX EXTENSION TUBE
AUXILARY “J” BOX RELOCATED HERE
—11—