Venting/Combustion Air - Options (Category Ii & Iv) - Weil-McLain SlimFit 2 Series Manual

SlimFit ® Series 2
Venting/combustion air — options (Category II & IV)
Figure 22
Vent and air piping materials — Use only the materials listed below, ensuring that all materials meet local codes
(see Figure 96, page 105 for vent/air part/kit numbers)
Items Material Supplier / Manufacturer
Duravent / M&G – Polypro
Polypropylene
Centrotherm Eco Systems – InnoFlue
Single-wall
Heat Fab, Inc. — Saf-T-Vent
Z-Flex, Inc. — Z-Vent II
AL29-4C
stainless
Dura-Vent — FasNSeal ™
steel
Metal-Fab, Inc. — CORR/GUARD
PVC Schedule 40
See Note 1 for additional requirements for using PVC
on the exhaust.
See Note 2.
PVC-DWV Schedule 40
See Note 1 for additional requirements for using PVC
on the exhaust.
See Note 2.
CPVC Schedule 40
See Note 2.
PVC
CPVC
CPVC to PVC transition
Notes:
1. PVC can only be used on the exhaust of a boiler after 10 linear feet of CPVC pipe. All fittings within the first 10
feet must be CPVC. See Figure 23, page 26 .
2. For CPVC/PVC , See Figure 96, page 105 for SlimFit adapters to connect boiler connection to CPVC/PVC
pipe.
Every joint on vent and air piping must include a locking collar. Failure to supply locking collars could result in vent/
air piping leakage. All PVC and CPVC joints should be permanently joined using the suitable primer and cement for
the vent material.
DO NOT USE: Cellular core PVC (ASTM F891), cellular core CPVC, or Radel® (polyphenolsulfone) pipe or any
other material not listed in the table above.
DO NOT mix piping from different pipe manufacturers unless using adapters specifically designed for the purpose
by the manufacturer.
Part number 550-100-561/0224
commercial condensing gas
®
- — Boiler Manual
fired water boiler
United States
Certified for Category IV
and direct vent appliance
venting
Certified for Category IV
®
and direct vent appliance
venting
Certified for Category IV
and direct vent appliance
venting
Certified for Category IV
and direct vent appliance
venting
Certified for Category IV
and direct vent appliance
venting
Certified for Category IV
and direct vent appliance
venting
ANSI/ASTM D1785
ANSI/ASTM D2665
ANSI/ASTM F441
ANSI/ASTM D2564
(cement)
ANSI/ASTM F656 (primer)
ANSI/ASTM F493 (cement)
Primer that is approved for
CPVC.
Use only a Primer and
Cement that is suitable for
joining CPVC and PVC
pipe.
Canada
Plastic vent pipe must be certified to
ULC S636 if required by local codes
Plastic vent pipe must be certified to
ULC S636 if required by local codes
Certified for Category IV and direct vent
appliance venting
Certified for Category IV and direct vent
appliance venting
Certified for Category IV and direct vent
appliance venting
Certified for Category IV and direct vent
appliance venting
Plastic vent pipe must be certified to
ULC S636 if required by local jurisdiction.
Air pipe can be any of those listed at left if
acceptable by local codes.
Plastic vent pipe must be certified to
ULC S636 if required by local jurisdiction.
Air pipe can be any of those listed at left if
acceptable by local codes.
Plastic vent pipe must be certified to
ULC S636 if required by local jurisdiction.
Air pipe can be any of those listed at left if
acceptable by local codes.
ULC S636 rated Primers and Cements
ULC S636 rated Primers and Cements
ULC S636 rated Primers and Cements
25