50
VENT PIPE SIZING AND MAXIMUM VENT LENGTHS (cont.)
Venting
G
E
N
E
R
A
L
V
E
N
T
I
N
G
R
E
Q
U
I
R
E
M
E
N
T
S
A
N
D
G
U
I
D
E
L
I
N
E
S
POLYPROPYLENE VENT PRODUCTS
Centrotherm brand Innoflue and Duravent Polypro Single-
wall and flex venting products are approved for use on this
furnace product only in single appliance applications. Do
not exceed maximum venting lengths, diameters or el-
bows listed in these instructions (Vent Pipe Sizing and
Maximum Vent Lengths section [Table 4]). Application of
these products is limited to the terminations listed in Ta-
b
les 5 and 6 below. These manufacturers have provisions
for B-vent liners and chimney liners which can be used
with this furnace with non-direct venting applications only.
Refer to the manufacturer’s installation instructions for
proper installation. Contact the manufacturer for all instal-
lation and application information.
NOTE: These venting products are listed for use in
Canada under ULC-S636.
TABLE 5: DURAVENT BRAND POLYPRO & POLYPRO FLEX
TERMINATION COMPONENTS
TABLE 6: CENTROTHERM BRAND ECO SYSTEMS TERMINATION COMPONENTS
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