Polypropylene - Lochinvar Knight WHN055 Installation & Operation Manual

3
General venting

Polypropylene

This product has been approved for use with polypropylene
vent with the manufacturers listed in Table 3E.
All terminations must comply with listed options in this manual
and be a single-wall vent offering.
For use of flex pipe, it is recommended to have the vent material
in 32°F or higher ambient space before bending at installation.
No bends should be made to greater than 45° and ONLY
installed in vertical or near vertical installations.
For support and special connections required, see the
manufacturer's instructions. All vent is to conform to standard
diameter and equivalent length requirements established.
Table 3E Polypropylene Vent Pipe and Fittings
Approved Polypropylene Vent Manufacturers
Make
Centrotherm Eco Systems
Duravent (M & G Group)
The installer must use a specific vent starter
NOTICE
adapter at the flue collar connection.
The adapter is supplied by the vent
manufacturer to adapt to its vent system.
See Table 3F for approved vent adapters.
All vent connections MUST be secured by
NOTICE
the vent manufacturer's joint connector
(FIG. 3-8).
Insulation should not be used on
WARNING
polypropylene venting materials. The use
of insulation will cause increased vent wall
temperatures, which could result in vent
pipe failure.
Table 3F Approved PolypropyleneTerminations
Model
Polypropylene
Adapter
ISAG0202 w/
55 - 85
IAFC02
ISAG0303 w/
110 - 285
IAFC03
ISAG0404 w/
399
IAFC04
* These parts are only needed if the sidewall termination assembly is used (see FIG. 4-4B on page 24).
20
InnoFlue SW/Flex
PolyPro Single-Wall / PolyPro Flex
Centrotherm InnoFlue SW
Sidewall
Joint
Retaining
Connector
Bracket*
IANS02 IATP0202
IANS03 IATP0303
IANS04 IATP0404
Installation & Operation Manual
Use only the adapters and vent system listed
WARNING
in Tables 3E and 3F. DO NOT mix vent
systems of different types or manufacturers.
Failure to comply could result in severe
personal injury, death, or substantial
property damage.
Installations must comply with applicable
NOTICE
national, state, and local codes.
Canadian installation, polypropylene vent
must be listed as a ULC-S636 approved
system.
Installation of a polypropylene vent system
NOTICE
should adhere to the vent manufacturer's
installation instructions supplied with the
vent system.
Model
Figure 3-8 Near Boiler Polypropylene Venting
Sidewall Adapter* Polypropylene Adapter
ISTAGL0202 2PPS-AD w/PPS-PAC
ISTAGL0303 3PPS-AD w/PPS-PAC
ISTAGL0404 4PPS-AD w/PPS-PAC
JOINT CONNECTOR REQUIRED
AT ALL COMPONENT CONNECTIONS
OF VENT SYSTEM
POLYPROPYLENE ADAPTER
W/FLUE CLAMP
IMG00130
Duravent Polypro
Joint
Sidewall Kit*
Connector
2PPS-LB 2PPS-HLK
3PPS-LB 3PPS-HLK
4PPS-LB 4PPS-HLK
For