DIR #2000543310 00
STAINLESS STEEL
ADAPTER
CPVC STARTER PIECE
MODELS 56 -286 ONLY
(FACTORY PROVIDED)
Figure 3-10 Near Boiler Stainless Steel Venting
Table 3F Approved Stainless Steel (S.S.) Venting System Adapters and Terminations
The installer must use a specific vent
starter adapter at the flue connection,
supplied by the vent manufacturer to
adapt to its vent system. See Table 3F for
approved vent adapters. Refer to adapter
notation in Table 3F to determine if a
CPVC starter piece is needed.
NOTICE
Installation & Operation Manual
3
General
venting
22
Stainless steel vent
This product has been approved for use with stainless steel
using the manufacturers listed in Table 3F.
Use only the materials, vent systems, and
terminations listed in Table 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.
WARNING
Installations must comply with applicable
national, state, and local codes. Stainless
steel vent systems must be listed as a
UL-1738 approved system for the United
States and a ULC-S636 approved system
for Canada.
NOTICE
Installation of a stainless steel vent system
should adhere to the stainless steel vent
manufacturer’s installation instructions
supplied with the vent system.
NOTICE
Manufacturer
Model
Vent Adapters and Terminations
Description
Size
Part Number
DuraVent
FasNSeal*
Flue Coupler Adapter
2" to 3"
FSA-2PVCS-3FNSF1
DuraVent
FasNSeal*
Flue Coupler Adapter
3" (4")
FSA-3(4)PVCS-3(4)FNSF1
DuraVent
FasNSeal*
Flue CPVC Starter Adapter
3" (4")
FSA-3(4)PVCO-3(4)FNSF2
DuraVent
FasNSeal*
Flue Flue Collar Adapter
4"
FSA-KNWH3993
DuraVent
FasNSeal*
Bird Screen Termination
3" (4")
FSBS3(4)
DuraVent
FasNSeal*
Rain Cap Termination
3" (4")
FSRC3(4)
Heat Fab
Saf-T-Vent
Flue Coupler Adapter
3" (4")
93(4)01PVC1
Heat Fab
Saf-T-Vent
Flue Collar Adapter
4"
WH00043
Heat Fab
Saf-T-Vent
Bird Screen Termination
3" (4")
93(4)92
Heat Fab
Saf-T-Vent
Rain Cap Termination
3" (4")
53(4)00CI
Heat Fab
Saf-T-Vent
Elbow w/Screen Termination
3" (4")
93(4)12TERM
Z-Flex
Z-Vent
Flue Coupler Adapter
3"
2SVSTTA031
Z-Flex
Z-Vent
Flue Coupler Adapter
3" to 4"
2SVSTTA041
Z-Flex
Z-Vent
Flue Coupler Adapter
4"
2SVSTTA04.51
Z-Flex
Z-Vent
Flue Collar Adapter
4"
2SVAKA043
Z-Flex
Z-Vent
Bird Screen Termination
3" (4")
2SVSTP03(4)
Z-Flex
Z-Vent
Rain Cap Termination
3" (4")
2SVSRCF03(4)
Z-Flex
Z-Vent
Elbow w/Screen Termination
3" (4")
2SVSTEX03(4)90
1) Install adapter directly into the fl ue vent coupler connector. An approved high-temperature RTV silicone sealant MUST be used
to make the joint between the fl ue vent and adapter.
2) A CPVC starter piece must be properly cemented into the fl ue collar connection before installing the adapter. Ensure the CPVC
starter piece is an appropriate length such that the adapter inner sleeve can fi t into the piping and the outer sleeve will securely
clamp.
3) For use on Model WH400 ONLY. Replace the appliance secured CPVC fl ue vent with the fl ue collar adapter listed.
*Use of FasNSeal Flex smooth inner wall vent is to be used in vertical or near vertical sections only, taking precaution to ensure
no sagging occurs of the vent system. Connect to the FasNSeal rigid vent using specially designed adapters and sealing method,
see manufacturer’s instructions.
