Inches(ram)
UNCONDITIONED
SPACE
12 (305) MIN. for 2 (51)
20 (508) MAX. for 3 (75)I
OUTSIDE WALL
PROVIDE SUPPORT 12 A
FOR INTAKE AND
EXHAUST LINES EVERY BOVE
36 (914) AVERAGE SNOW
ACCUMULATION
/
1/2 (13) FOAM
INSULATION IN --
UNCONDITIONED 1/2 (13) FOAM
SPACE INSULATION
SIDE VIEW
WALL RING TERMINATION
(15F74)LB-49107CBfor2 in.(51)Venting
"This reducer is not necessary for G26-50 units using 1-1/2 In. venting,
See venting table 4 for maximum venting lengths with this arrangement.
FIGURE 13
g - Position terminationends sothey are flee from any ob-
structionsand above the level of snow accumulation
(where applicable). Termination ends must be a mini-
mum of 12 inches (305mm) above grade level. Do not
point into window wells, stairwells, alcoves, courtyard
areas or other recessed areas. Do notpositiontermina-
tionends directlybelow roofeaves or above a walkway.
Since the G26 is a certified direct vent, Category IV gas
furnace, the location of the termination is limited by lo-
cal building codes. In the absence of local codes, refer
to the current National Fuel Gas Code ANSI Z223-1 in
U.S.A., and current standards CAN/CGA-B149.1/.2 of
the Natural Gas and Propane Installation Instructions in
Canada for details. The termination should be at least
12 inches (305mm) from any opening through which
flue products could enter the building.
When horizontally vented, minimum clearance for ter-
mination from electric meters, gas meters, regulators
and relief equipment is 4 feet (1.2m) for US installa-
tions. Refer to the current CAN/CGA-B149.1 and .2 for
installations in Canada or with authoritieshaving local
jurisdiction.
At vent termination, care must be taken to maintain
protective coatings over building materials (pro-
longed exposure to exhaust condensate can destroy
protective coatings). It is recommended that the ex-
haust outlet not be located within 6 feet (1.8m) of a
condensing unit because the condensate can dam-
age the painted coating.
A IMPORTANT
A IMPORTANT
Inches(mm) 1/2 (13)
FOAM
iNSULATION
3(75)OR
2 (51) 90 ° ELBOW
3x2(76x51) OR
2x 1-1/2(51 x 38)
REDUCER BUSHING LOCATION
FOR OFFSET TERMINATION
e
3(75)OR
(NOt Shown) _t _, 2 (51) 90 ° ELBOW
May Be Used on
Intake Only Inches (mm)
FRONT VIEW
WALL TERMINATION
(22G44) LD-49107CD for 2(51) Venting
(44,140) LB-65701A for 3(76) Venting
FIGURE 14
METAL OR PLASTIC
STRAPPING _,_
OR LARGE WIRE TIES
FIGURE 15
10 - Suspend pipingusing hangers at a minimum of every-
5 feet (1.52m) for schedule 40 PVC and every 3 feet
(.91m) for ABS-DWV, PVC-DWV, SPR-21 PVC, and
SDR-26 PVC piping. A suitable hanger can be fabri-
cated by using metal or plastic strapping or a large
wire tie.
11 - In areas where piping penetrates joists or interior
walls, hole must be large enough to allowclearance on
all sides of pipe through center of hole using a hanger.
12 - Isolate pipingat the pointwhere itexits the outsidewall
or roof.
Page 12
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