Install Instructions

29
107750-01 - 9/17
Option 10 11 12 13 14 15 16 17
Illustrated in Figure 7.15, 717 7.15, 7.17 7.17, 7.18 7.17, 7.18 7.17 7.17 7.17 7.17
Pipe
Penetration
through
Structure
Vent Roof Roof Roof Roof Roof Roof Roof Roof
Intake Roof Roof Roof Roof Roof Roof Roof Roof
Material
Vent
CPVC/
PVC
(Note 2)
CPVC/
PVC
(Note 2)
DuraVent
PolyPro
(Rigid)
DuraVent
PolyPro
(Rigid)
Selkirk
Polyue
Selkirk
Polyue
Centro-
therm
InnoFlue
SW
Centro-
therm
InnoFlue
SW
Intake PVC PVC PVC PVC PVC PVC PVC PVC
Nominal
Diameter
Vent 3" 4" 3" 4" 3" 4" 3" 4"
Intake 3" 4" 3" 4" 3" 4" 3" 4"
Min Equivalent Vent Length:
Model Sizes
320
30" 30" 30" 30" 30" 30" 30" 30"
399
30" 30" 30" 30" 30" 30" 30" 30"
Max Equivalent Vent Length (Note 1):
Model Sizes
320
60ft 135ft 60ft 135ft 60ft 135ft 60ft 135ft
399
50ft 135ft 50ft 135ft 50ft 135ft 50ft 135ft
Terminal Option H
(Fittings)
Vent
Coupling
w/Screen
Coupling
w/Screen
3PPS-12B
or
3PPS-36B
w/Screen
4PPS-12B
or
4PPS-36B
w/Screen
3PF-10UV
or
3PF-39UV
w/Screen
4PF-10UV
or
4PF-39UV
w/Screen
ISEP03 or
ISEP0339
w/Screen
ISEP04 or
ISEP0439
w/Screen
Intake
180 Elbow
w/Screen
180 Elbow
w/Screen
180 Elbow
w/Screen
180 Elbow
w/Screen
180 Elbow
w/Screen
180 Elbow
w/Screen
180 Elbow
w/Screen
180 Elbow
w/Screen
Terminal Option I
(Ipex FGV Concentric)
Ipex
196006
(Note 3)
Ipex
196021
(Note 3)
Not
Permitted
Not
Permitted
Not
Permitted
Not
Permitted
Not
Permitted
Not
Permitted
Terminal Option J
(Diversitech CVENT
Concentric)
CVENT-3 CVENT-4
Not
Permitted
Not
Permitted
Not
Permitted
Not
Permitted
Not
Permitted
Not
Permitted
Terminal Option K
(DuraVent Vertical
Concentric)
Not
Permitted
Not
Permitted
3PPS-VK 4PPS-VK
Not
Permitted
Not
Permitted
Not
Permitted
Not
Permitted
Notes:
1. Max vent lengths shown also apply to the intake. For example, Vent Option #1 may have up to 60ft of vent pipe and also up to 60 ft of
intake pipe.
2. At least 30" of CPVC pipe, and at least one CPVC elbow, must be installed between the boiler's vent connection and PVC pipe.
Downstream vent pipe can be PVC except as noted in text.
3. Ipex FGV Concentric Terminal available in various lengths and also CPVC (see text).
All vertical terminals require compatible roof ashing and storm collars.
VII. Venting
C. Design Requirements Unique to Vertical Venting Systems (continued)
Table 7.13a: Summary of Vertical Twin Pipe Venting Options