Install Instructions

Page 8
LAARS Heating Systems
Table 4. - Allowable Single Wall Stainless Steel Vent Suppliers and Part Numbers.
Table 5. - Allowable Polypropylene Vent Manufacturers / Trade Names
NOTE: 1. “x”, “xx”, and “xxxx” refer to variations in nominal size. See manufacturers catalog for a particular application.
ALLOWABLE SINGLE WALL STAINLESS STEEL VENT SUPPLIERS AND PART NUMBERS
Selkirk
DuraVent
NovaFlex
Safe-T Vent EZ Seal FasNSeal Z Flex
90° Elbow 9x14 FSELB90xx 2SVEExx90
Pipe 9x07 FSVLxxxx 2SVEPxxxx
Boiler Adapter 5x01BOI FSAAUx
2SVSAxx (OD)
2SVSTTAxx (ID)
Horizontal Termination (bird screen
9x92 FSBSx 2SVSTPXxx
Vertical Termination (rain cap) 5X00CI FSRCx 2SVSRCxx
Inlet Air Termination 9xTERM FSAIHXX* 2SVSTEXxx90
Adapter, SS to CPVC FSA-xxFNSM-xPVCF
Adapter SS to PP FSAAUx-xPP 2ZDCPVCx**
*4", 6" & 7" only **up to 6"
ALLOWABLE POLYPROPYLENE VENT MANUFACTURERS / TRADE NAMES
CentroTherm DuraVent
Selkirk
NovaFlex
InnoFlue PolyPro
PolyFlue
Z-Dens
Single Wall Pipe ISVLxxxx xPPS-x 83x002 ZDPx
Elbow ISELxxxx xPPS-E90L 83x08 2ZDEx87
PVC Adapter ISAGLxxxx
xPPS-ADL (to 4")
xPPS-xxPVCM-xPPF (>4")
83x040 2ZDCPVCx
Horizontal Termination
(bird screen)
IASPPxx (2" - 4")
IASSSxx (5" - 12")
xPPS-BG (2" - 6")
83x050 2ZDESx
Vertical Termination
IASPPxx (2" - 4")
IASSSxx (5" - 12")
xPPS-VKL (<5")
xPPS-VTML (5"-8")
83x050 2ZDESx
Air Inlet 2ZDESx
MFR MODEL NUMBER (ABBREVIATED)
MFR MODEL NUMBER (ABBREVIATED)
Trade Name / Model
Example Components
Example Components
Trade Name / Model
Boilers must have provisions for combustion and
ventilation air in accordance with the applicable
requirements for Combustion Air Supply and Ventilation in
the National Fuel Gas Code, ANSI Z223 1; or in Canada,
the Natural Gas and Propane Installation Code, CSA
B149.1. All applicable provisions of local building codes
must also be adhered to.
The unit can take combustion air from the space in which it
is installed, or the combustion air can be ducted directly to
the unit. Ventilation air must be provided in either case.
SECTION 3 VENTING AND
COMBUSTION AIR
3.A General Venting
This unit requires a special venting system. Refer to
venting supplier’s instructions for complete parts list and
method of installation. The vent manufacturers listed on
the following tables have been tested and authorized to
safely operate with this unit. Suppliers of stainless steel
and polypropylene venting that are not listed on these
tables are not permitted for use with this category III/ IV
unit.
Do not mix venting suppliers and models in venting
systems. Failure to comply could result in personal injury,
property damage, or death.
Installations must comply with applicable national, state
and local codes.
3.B Combustion Air