Installation - Lennox EL296UHE Series Unit Information

II-PLACEMENT AND INSTALLATION
All pipe, fittings, primer and solvent cement must conform
with American National Standard Institute and the Ameri-
can Society for Testing and Materials (ANSI/ASTM) stan-
dards. The solvent shall be free flowing and contain no
lumps, undissolved particles or any foreign matter that
adversely affects the joint strength or chemical resistance
of the cement. The cement shall show no gelation, strati-
fication, or separation that cannot be removed by stirring.
Refer to the table 14 below for approved piping and fitting
materials.
TABLE 14
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
Solvent cements for plastic pipe are flammable
liquids and should be kept away from all sources of
ignition. Do not use excessive amounts of solvent
cement when making joints. Good ventilation
should be maintained to reduce fire hazard and to
minimize breathing of solvent vapors. Avoid contact
of cement with skin and eyes.
Use PVC primer and solvent cement or ABS solvent ce-
ment meeting ASTM specifications, refer to Table 14.
As an alternate, use all purpose cement, to bond ABS,
PVC, or CPVC pipe when using fittings and pipe made of
the same materials. Use transition solvent cement when
D1785
bonding ABS to either PVC or CPVC.
F891
Low temperature solvent cement is recommended during
cooler weather. Metal or plastic strapping may be used for
D2466
vent pipe hangers. Uniformly apply a liberal coat of PVC
F441
primer for PVC or use a clean dry cloth for ABS to clean
F438
inside socket surface of fitting and male end of pipe to
depth of fitting socket.
D2241
Canadian Applications Only - Pipe, fittings, primer and
F442
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
D2665
ASTM
SPECIFICATION
F656
D2564
F493
D2235
D2564, D2235,
F493
D3188
MARKING
ULCS636
Page 22
CAUTION