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Cast Iron Condensing Boilers – Installation Manual
FlexCore Stainless Steel Condensing Boilers – Installation Manual
Table Z - Approved Manufacturers Stainless Steel Boiler Transition Adapters (CAT II/IV)
Model
Size
DuraVent
M&G DuraVent
(DuraSeal)
ICC
Metal-Fab
Boiler
Adapter*
Flue
Transition
Adapter
Flue
Transition
Adapter
Flue
Transition
Adapter
Flue
850
810013226
FasNSeal
DS5FFNSAU
DSD5FFNSAUK
DS
DSD
HM-5AC
HM-5SDA
VIC-SW
VIC-DW
5FCSLXL
Corr/Guard
1000
1500
810005652
DS6FFNSAU
DSD6FFNSAUK
HM-6AC
HM-6DSDA
6FCSLXL
2000
2500
810005651
DS8FFNSAU
DSD8FFNSAUK
HM-8AC
HM-8DSDA
8FCSLCA
3000
3500
810013230
DS10FFNSAU
DSD10FFNSAUK
HM-10AC
HM-10DSDA
10FCSPKA2
4000
4500
5000
810013229
DS12FFNSAU
DSD12FFNSAUK
HM-12AC
HM-12DSDA
12FCSLCA
6000
7000
810013288
DS14FFNSAU
DSD14FFNSAUK
HM-14AC
HM-14SDA
14FCSLCA
8000
9000
Model
Size
Heatfab
(Saf-T Vent)
Security Chimneys
(Secure Seal)
Jeremias
RBI
Transition
Adapter
Flue
Transition
Adapter
Flue
Transition
Adapter
Flue
Boiler
Adapter*
Exhaust
Termination
850
9501MAD
EZ/GC
Cl Plus
SS5FFNSAU
SSD5FFNSAUK
SS
SSD
SWKL5-S2D
–
DWKL
SWKL
09-00002-004
09-0117
1000
1500
9601MAD
SS6FFNSAU
SSD6FFNSAUK
SWKL6-S2D
–
09-00002-002
09-0112
2000
2500
9801MAD
SS8FFNSAU
SSD8FFNSAUK
SWKL8-S2D
–
09-00002-001
09-0113
3000
3500
91001MAD
SS10FFNSAU
SSD10FFNSAUK
SWKL10-S2D
–
09-0310-004
09-0115
4000
4500
5000
91201MAD
SS12FFNSAU
SSD12FFNSAUK
SWKL12-S2D
–
09-0310-005
09-0116
6000
7000
91401MAD
SS14FFNSAU
SSD14FFNSAUK
SWKL14-S2D
–
09-0310-006
N/A
8000
9000
Model
Size
VAN-PACKER
Z-Flex
Schebler Chimney Systems
(e-Vent)
Transition
Adapter
Flue
Transition
Adapter
Flue
Transition Adapter
Flue
850
C05VLSL/M
CS
2SVSAFNS05
Z-Flex
ESW-UNAK-05R
EVD-UNAK-05R
ESW
EVD
1000
1500
C06VLSL/M
2SVSAFNS06
ESW-UNAK-06R
EVD-UNAK-06R
2000
2500
C08VLSL/M
2SVSAFNS08
ESW-UNAK-08R
EVD-UNAK-08R
3000
3500
C10VLSL/M
2SVSAFNS10
ESW-UNAK-10R
EVD-UNAK-10R
4000
4500
5000
C12VLSL/M
2SVSAFNS12
ESW-UNAK-12R
EVD-UNAK-12R
6000
7000
C14VLSL/M
2SVSAFNS14
ESW-UNAK-14R
EVD-UNAK-14R
8000
9000
*Factory Installed
The RBI Flexcore is supplied with a factory installed DuraVent FastNSeal flue outlet adapter. A manufacturers
supplied stainless steel transition piece must be used when installed with different vent systems. Do not mix
vent systems of different manufacturers. Use only listed manufacturers (Table X), terminations (Table Y), and
transition adapters (Table Z). The chimney systems manufacturer's installation instructions must be followed.