27
VENT PIPE SIZING AND MAXIMUM VENT LENGTHS (cont.)
Ve
ntin
g
GENERAL VENTING REQUIREMENTS AND
GUIDELINES
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 3]). Application of
these products is limited to the terminations listed in Ta-
bles 4 and 5 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 4: DURAVENT BRAND POLYPRO & POLYPRO FLEX
TERMINATION COMPONENTS
TABLE 5: CENTROTHERM BRAND ECO SYSTEMS TERMINATION COMPONENTS
