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106308-05 - 3/23
APEX Installation, Operating, & Service Instructions
Boiler Model
Nominal
Pipe
Diameter
Pipe Joint
Locking Band
Clamp
Combustion Air Vent
Ipex Low
Prole Termination
Adapter Kit:
Pipe Adapter &
Wall Plate
Boiler Adapter
Sidewall
Termination:
UV Resistant
90°Elbow
w/Screen
Roof Termination:
(2) UV Resistant
90° Elbows
w/Screen
Boiler Adapter
Sidewall* or Roof
Termination: UV
Resistant Straight
Pipe w/ Screen
Flex
Chimney
Lining Kit
APX425C (reduced dia. vent)
APX525C (reduced dia. vent)
3 in.
(80 mm)
3PPS-LB2 or
3PPS-LBC
4PPS-ADL with
4PPS-R3L
Elbow: 3PPS-E90BL
Screen: 3PPS-BG
Elbow: 3PPS-E90BL
Screen: 3PPS-BG
4PPS-R3L
Pipe: 3PPS-12BL
Screen: 3PPS-BG
3PPS-FKL 3PPS-HLKL
APX425C (standard dia. vent)
APX525C (standard dia. vent)
APX625C (reduced dia. vent)
APX725C (reduced dia. vent)
APX825C (reduced dia. vent)
4 in.
(100 mm)
4PPS-LB2 or
4PPS-LBC
4PPS-ADL
Elbow: 4PPS-E90BL
Screen: 4PPS-BG
Elbow: 4PPS-E90BL
Screen: 4PPS-BG
APX425C & APX525C:
No Adapter Required;
APX625C, APX725C,
APX825C: 6PPS-R5L
with 5PPS-R4L
Pipe: 4PPS-12BL
Screen: 4PPS-BG
4PPS-FKL 4PPS-HLKL
APX625C (standard dia. vent)
APX725C (standard dia. vent)
APX825C (standard dia. vent)
6 in.
(150 mm)
6PPS-LB2 or
6PPS-LBC
N/A N/A N/A No Adapter Needed
Pipe: 6PPS-12BL
Screen: 6PPS-BG
N/A N/A
* Note: When using room air for combustion, use UV resistant 90° elbow or tee for sidewall vent termination. UV resistant 90° elbow part numbers: 3PPS-E90BL(3 in.), 4PPS-E90BL (4 in.), 6PPS-E90BL (6 in.).
UV resistant tee part numbers: 3PPS-TBL (3 in.), 4PPS-TBL (4 in.), 6PPS-TTBL (6 in.).
Table 4-22: M&G DuraVent PolyPro Polypropylene Vent/Combustion Air System Components
Table 4-23: Listed Polypropylene Pipe, Fittings and Terminations - Centrotherm Eco
Boiler Model
Nominal
Pipe
Diameter
Pipe Joint
Locking Band
Clamp
Combustion Air Vent
Ipex Low
Prole Adapter Kit:
Pipe Adapter &
Wall Plate
Boiler
Adapter
Sidewall
Termination:
UV Resistant
90° Elbow w/Screen
Roof Termination: (2)
UV Resistant
90° Elbows w/Screen
Boiler Adapter
Sidewall* or Roof
Termination: UV
Resistant Straight
Pipe w/Screen
Flex
Chimney
Lining Kit
APX425C (standard dia. vent)
APX525C (standard dia. vent)
APX625C (reduced dia. vent)
APX725C (reduced dia. vent)
APX825C (reduced dia. vent)
3 in.
(80 mm)
IANS03
ISAGL0404
with ISRD0403
Elbow: ISELL0387UV
Screen: IASPP03
Elbow: ISELL0387UV
Screen: IASPP03
ISAAL0404 and
ISRD0403
Pipe: ISEP03 or ISEP0339
Screen: IASPP03
IFCK0325 or
IFCK0335
ISLTK03
APX625C (reduced dia. vent)
APX725C (reduced dia. vent)
APX825C (reduced dia. vent)
4 in.
(110 mm)
IANS04 ISAGL0404
Elbow: ISEL0487UV
Screen: IASPP04
Elbow: ISEL0487UV
Screen: IASPP04
APX425C & APX525C:
ISAAL0404;
APX625C, APX725C &
APX825C: ISAAL0606
with ISRD0604
Pipe: ISEP04 or ISEP0439
Screen: IASPP04
IFCK0425 or
IFCK0435
ISLTK04
APX625C (standard dia. vent)
APX725C (standard dia. vent)
APX825C (standard dia. vent)
6 in.
(160 mm)
IANS06 or
IADHC0606
N/A N/A N/A ISAALE0606
Pipe: ISEP06 or ISEP0639
Screen: IASPP06
N/A ISLTK06
* Note: When using room air for combustion, use UV resistant 90° elbow or tee for sidewall vent termination. UV resistant 90° elbow part numbers: ISEL0387UV (3 in.), ISEL0487UV (4 in.), ISEL0687UV (6 in.).
UV resistant tee part numbers: ISTT0320 (3 in.), ISTT0420 (4 in.), ISTT0620 (6 in.).
See Centrotherm InnoFlue literature for other required component part numbers such as straight pipe, elbows, firestops, and vent supports.
4 Venting (continued)