Lennox EL195UHE Elite Series Installation Instructions Manual page 14

TABLE 2
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
D1785
EL195UHE exhaust and intake connections are
F891
made of PVC. Use PVC primer and solvent cement
D2466
when using PVC vent pipe. When using ABS vent
F441
pipe, use transitional solvent cement to make con-
F438
nections to the PVC fittings in the unit.
D2241
Use PVC primer and solvent cement or ABS solvent cement
F442
meeting ASTM specifications, refer to Table 2. As an alter-
F628
nate, use all purpose cement, to bond ABS, PVC, or CPVC
D1527
pipe when using fittings and pipe made of the same materi-
D2468
als. Use transition solvent cement when bonding ABS to ei-
D2661
ther PVC or CPVC.
Low temperature solvent cement is recommended during
D2665
cooler weather. Metal or plastic strapping may be used for
ASTM
vent pipe hangers. Uniformly apply a liberal coat of PVC
SPECIFICATION
primer for PVC or use a clean dry cloth for ABS to clean in-
F656
side socket surface of fitting and male end of pipe to depth
D2564
of fitting socket.
F493
Canadian Applications Only − Pipe, fittings, primer
D2235
and solvent cement used to vent (exhaust) this ap-
pliance must be certified to ULC S636 and supplied by a
D2564, D2235, F493
single manufacturer as part of an approved vent (ex-
haust) system. In addition, the first three feet of vent
D3138
pipe from the furnace flue collar must be accessible for
inspection.
MARKING
ULCS636
Page 14
IMPORTANT