Vent Termination; Single-Pipe Sidewall Venting; Two-Pipe Sidewall Venting - Bosch Singular 4000 Installation Instructions Manual

6.5 Vent Termination

WARNING:
 Air intake must be protected from any debris.
 When connecting to the air intake connector and exhaust
flue connector, all connecting parts must be installed
properly.
 Maintain 12" (300 mm) min. (18" (450 mm) min. for
Canada) clearance above highest-anticipated snow level.
Maximum of 24" (600 mm) above roof.
 Install a bird screen at the end of the intake air pipe and
exhaust pipe.
Before installing the boiler, determine what type of vent termination is appropriate
for the installation location and situation. The subsections that follow describe
some typical venting confi gurations, but do not include all possible options.

6.5.1 Single-Pipe Sidewall Venting

Schedule 40 PVC Pipe
3
Figure 36
CAUTION:
 Single-pipe venting requires that adequate combustion air
be provided in end-use installations per NFPA 54 C.9.3.2.
Singular Combi Boiler - BTC 439003301 B (2021/07)
10" (254 mm) min.

6.5.2 Two-Pipe Sidewall Venting

Internal view
Figure 37
External view
12" (300 mm) min.
Exhaust Gas
Intake air
Figure 38
If the side wall vent termination kit is used, refer to the fi gure below for the
orientation of the vent.
The following terminations can also be used:
IPEX Low Profi le Termination Kits:
 2 in Low Profile Vent Kit #196984
 3 in Low Profile Vent Kit #196985
Figure 39
Installation Instructions
Exhaust gas
Intake air
10" min.
Less than 45°
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