MOUNTING
SURFACE
-j
1"
" DIMENSION
EXTENSIO
N
TUBES
KIT
NO.
*
USE
V
ENT
SU
PPLIED
WI
TH
FURNACE
051249
520768
520968
520551
~INTAKE:
1/2" MINIMUM OVERLAP
~EXHAUST:
1 1/4" MINIMUM OVERLAP
VENT CAP
~NEVER
INSTALL THE EXHAUST TUBE WITH LESS THAN
1 1/4" OVERLAP, OR THE INTAKE TUBE WITH LESS THAN
1/2" OVERLAP.
* STANDARD VENT ASSEMBLY FURNISHED WITH FURNACE.
SPECIAL EXTENSION TUBES, IF NEEDED, MUST BE
ORDERED SEPARATELY. EXTENSION KITS COME WITH
COMPLETE INSTALLATION INSTRUCTIONS.
Figure 2
*OPENING
FOR RETURN AIR
*OPENING
FOR
RETURN AIR
O" TO SPACER
<.___
O"
TO SPACER
MAINTAIN A 1/4" INCH CLEARANCE
WHERE DUCTS PASS THROUGH
A CABINET WALL. UL LISTED DUCT
MATERIALS CAN
BE
O"
CLEARANCE.
r--*--THE-ToTAL~-FR_E_E~-uNo-ssrRu_c_-fE-DR-EruR_N_AIR-oP"ENING--l
! TO THE FURNACE MUST NOT
BE
LESS THAN THE MINIMUM i
i SPECIFIED
IN
TABLE 1. !
\,
___________________
__
________________________________________________________________
,
Figure 3
7
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