Snorkel Flue; Non-Concentric Sidewall Venting; Concentric Sidewall Venting - Bosch Singular 4000 Installation Instructions Manual

Installation Instructions

6.5.3 Snorkel Flue

Schedule 40 PVC pipe
Figure 40
WARNING:
 Maintain 12" (300 mm) min. (18" (450 mm) min. for
Canada) clearance above highest-anticipated snow level.
Maximum of 24" (600 mm) above roof.
3 6 |
10" (254 mm) min.
12" (300 mm) min.

6.5.4 Non-Concentric Sidewall Venting

Figure 41
NOTICE:
 Install a bird screen at the end of the intake air pipe and
exhaust pipe.
 Air is drawn from a different location at a minimum of 12"
(300mm) from the exhaust termination. Try to minimize the
length of the intake air pipe with this venting.

6.5.5 Concentric Sidewall Venting

The following terminations can also be used:
Duravent PolyPro Horizontal Concentric Termination Kit.
 2 in x 4 in Concentric Vent Kit #2PPS-HK
 3 in x 5 in Concentric Vent Kit #3PPS-HK
Combustion air
Vent
Figure 42
WARNING:
 Maintain 12" (300 mm) min. (18" (450 mm) min. for
Canada) clearance above highest-anticipated snow level.
Maximum of 24" (600 mm) above roof.
Singular Combi Boiler - BTC 439003301 B (2021/07)
10" (254 mm) min.
Combustion air
Vent
Maintain 12"
1" (25 mm) min.
(300 mm) min.