50
VENT PIPE SIZING AND MAXIMUM VENT LENGTHS (cont.)
Venting
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 elbows
listed in these instructions (Vent Pipe Sizing and Maxi-
mum Vent Lengths section [Table 4]). Application of these
products is limited to the terminations listed in Tables 5 and
6 below. These manufacturers have provisions for B-vent
liners and chimney liners which can be used with this fur-
nace with non-direct venting applications only. Refer to the
manufacturer’s installation instructions for proper installa-
tion. Contact the manufacturer for all installation and appli-
cation 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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