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TABLE 4
PIPING AND FITTINGS SPECIFICATIONS
Schedule 40 PVC (Pipe)
Schedule 40 PVC (Cellular Core Pipe)
Schedule 40 PVC (Fittings)
Schedule 40 CPVC (Pipe)
Schedule 40 CPVC (Fittings)
SDR-21 PVC or SDR-26 PVC (Pipe)
SDR-21 CPVC or SDR-26 CPVC (Pipe)
Schedule 40 ABS Cellular Core DWV
(Pipe)
Schedule 40 ABS (Pipe)
Schedule 40 ABS (Fittings)
ABS-DWV (Drain Waste & Vent) (Pipe &
Fittings)
PVC-DWV (Drain Waste & Vent) Pipe &
Fittings)
PRIMER & SOLVENT CEMENT
PVC & CPVC Primer
PVC Solvent Cement
CPVC Solvent Cement
ABS Solvent Cement
PVC/CPVC/ABS All Purpose Cement
For Fittings & Pipe of the same material
ABS to PVC or CPVC Transition Solvent
Cement
CANADA PIPE & FITTING & SOLVENT
CEMENT
PVC & CPVC Pipe and Fittings
PVC & CPVC Solvent Cement
ABS to PVC or CPVC Transition
Cement
POLYPROPYLENE VENTING SYSTEM
PolyPro
by Duravent
®
InnoFlue
by Centrotherm
®
UL 1738 CERTIFIED GAS VENTING SYSTEM
IPEX System1738 Schedule 40 PVC
Pipes and Fittings
IPEX System1738 PVC FGV Cement &
Primer
IMPORTANT
EL296DFE exhaust and intake connections are made
of PVC. Use PVC primer and solvent cement when
using PVC vent pipe. When using ABS vent pipe, use
transitional solvent cement to make connections to the
PVC fittings in the unit.
Use PVC primer and solvent cement or ABS solvent ce-
ment meeting ASTM specifications, refer to TABLE 4. As
an alternate, use all purpose cement, to bond ABS, PVC,
or CPVC pipe when using fittings and pipe made of the
D1785
same materials. Use transition solvent cement when bond-
F891
ing ABS to either PVC or CPVC.Low temperature solvent
D2466
cement is recommended during cooler weather. Metal or
F441
plastic strapping may be used for vent pipe hangers. Uni-
formly apply a liberal coat of PVC primer for PVC or use
F438
a clean dry cloth for ABS to clean inside socket surface of
D2241
fitting and male end of pipe to depth of fitting socket
F442
Canadian Applications Only - Pipe, fittings, primer and
solvent cement used to vent (exhaust) this appliance must
F628
be certified to ULC S636 and supplied by a single manu-
facturer as part of an approved vent (exhaust) system. In
D1527
addition, the first three feet of vent pipe from the furnace
D2468
flue collar must be accessible for inspection.
D2661
Venting Options
The EL296DFE is shipped with vent exhaust / air intake
D2665
connection at the top cap. See FIGURE 20. Using parts
provided, the furnace may be field modified to have these
ASTM
connections on the right side of the furnace cabinet. See
SPECIFICATION
FIGURE 23 and follow the steps below. For left side vent-
F656
ing order kit 87W73.
D2564
F493
D2235
D2564, D2235,
F493
D3188
MARKING
ULCS636
UL1738
Page 13
1 - Remove inner blower door.
2 - Loosen hose clamps which attach rubber fittings to
the white PVC pipes inside the vestibule area. See
FIGURE 20.
3 - Loosen the clamp which secures the pipes at the
blower deck. See figure 20.
4 - Remove white PVC pipes, slide up and out thru the
top cap.
5 - Remove the black plastic fitting in top cap which
previously aligned the PVC pipes.
6 - Remove the remaining parts of the pipe clamp at the
blower deck.
7 - Remove the sheet metal patch plate on the side
of the cabinet which covers the openings for side
venting option. Save screws for reuse.
8 - Re-use the patch plate to cover the hole in the top
cap. See FIGURE 21. Remove the 2 screws which
secure the top cap to the furnace on the right side
and re-install securing the right edge of the patch
plate and the right side of the top cap to the furnace.
Use 2 self-drilling sheet metal screws (provided) to
finish securing the left edge of the patch plate on the
left side.
9 - Use a utility knife to cut out the cabinet insulation
for the right side vent / air intake. 10 -Install the two
90° street elbows (provided) through the side of the
cabinet. The male side of each elbow should extend
down through the blower deck and connect to the
rubber fittings below. Once the elbows are properly
positioned, tighten each clamp.
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