Polypropylene - Lochinvar FTxl 400 Installation & Operation Manual

3
General venting

Polypropylene

This product has been approved for use with polypropylene
vent with the manufacturers listed in Table 3F.
All terminations must comply with listed options in this manual
and be a single-wall vent offering.
For support and special connections required, see the
manufacturer's instructions. All vent is to conform to standard
diameter and equivalent length requirements established.
When determining equivalent combustion air and vent length
for polypropylene single-wall piping:
• 1 foot of Duravent 4 inch single-wall pipe is equivalent
to 1.6 feet of piping
Flexible polypropylene
For use of fl ex 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 (FIG. 3-4).
Figure 3-4 Near Boiler Flexible Polypropylene Venting
Table 3F Polypropylene Vent Pipe and Fittings
Approved Polypropylene Vent Manufacturers
Make
Centrotherm Eco Systems
Duravent (M & G Group)
Table 3G Approved Polypropylene Terminations
Model Manufacturer Vent Model
Centrotherm
Eco Systems
400-600
DuraVent
(M & G)
Centrotherm
Eco Systems
725-800
DuraVent
(M & G)
* These parts are only needed if the sidewall termination assembly is used (see FIG. 4-5B on page 27).
22
Model
InnoFlue SW/Flex
PolyPro Single-Wall / PolyPro Flex
Vent Type Adapter Number
Single-Wall
Innofl ue
Flex
Single-Wall
PolyPro
Flex
Single-Wall
Innofl ue
Flex
Single-Wall
PolyPro
Flex
The installer must use a specifi c vent starter
NOTICE
adapter at the fl ue collar connection. The
adapter is supplied by the vent manufacturer
to adapt to its vent system. See Table 3F
for approved vent adapters. Discard CPVC
starter piece.
All vent connections MUST be secured by the
NOTICE
vent manufacturer's joint connector (FIG.
3-5).
Insulation
WARNING
polypropylene venting materials. The use
of insulation will cause increased vent wall
temperatures, which could result in vent pipe
failure.
Use only the adapters and vent system listed in
WARNING
Tables 3F and 3G. 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. For 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.
Figure 3-5 Near Boiler Polypropylene Venting
Joint Connector
ISAAL0404 IANS04
4PPS-AD 4PPS-LB
ISAAL0606 --
FSA-6PVCM-
--
6PPS
Installation & Operation Manual
should not be
Retaining Bracket /
Sidewall Kit*
Adapter*
IATP0404/
--
ISTAGL0404
4PPS-HLK
IATP0606 /
--
ISTAGL0606
6PPS-HLK
used on
--
--